401k Plan data: TUCSON ELECTRIC POWER COMPANY 401K plan

TUCSON ELECTRIC POWER COMPANY 401K 401k Plan overview

Plan Name	TUCSON ELECTRIC POWER COMPANY 401K
Plan identification number	007

TUCSON ELECTRIC POWER COMPANY 401K Benefits

401k Plan Type

Defined Contribution Pension

Plan Features/Benefits

Profit-sharing
Total participant-directed account plan - Participants have the opportunity to direct the investment of all the assets allocated to their individual accounts, regardless of whether 29 CFR 2550.404c-1 is intended to be met.
Code section 401(k) feature - A cash or deferred arrangement described in Code section 401(k) that is part of a qualified defined contribution plan that provides for an election by employees to defer part of their compensation or receive these amounts in cash.
Code section 401(m) arrangement - Employee contributions are allocated to separate accounts under the plan or employer contributions are based, in whole or in part, on employee deferrals or contribtions to the plan. Not applicable if plan is 401(k) plan with only QNECs and/or QMACs. Also not applicable if Code section 403(b)(1), 403(b)(7) or 408 arrangements/accounts/annuities.
Participant-directed brokerage accounts provided as an investment option under the plan.
Plan provides for automatic enrollment in plan that has employee contributions deducted from payroll.
Total or partial participant-directed account plan - plan uses default investment account for participants who fail to direct assets in their account.
Plan sponsor(s) received services of leased employees, as defined in Code section 414(n), during the plan year.
Plan sponsor(s) is (are) a member(s) of a controlled group (Code sections 414(b), (c), or (m)).
Plan requiring that all or part of employer contributions be invested and held, at least for a limited period, in employer securities.

401k Sponsoring company profile

TUCSON ELECTRIC POWER COMPANY has sponsored the creation of one or more 401k plans.

Company Name: TUCSON ELECTRIC POWER COMPANY

Employer identification number (EIN): 860062700

NAIC Classification: 221100

Form 5500 Filing Information

Submission information for form 5500 for 401k plan TUCSON ELECTRIC POWER COMPANY 401K

Plan id# Filing Submission Date Name of Administrator Date Administrator Signed Name of Company Sponsor Date Sponsor Signed
007 2022-01-01
007 2021-01-01
007 2020-01-01
007 2019-01-01
007 2018-01-01 STEVE BRACAMONTE
007 2017-01-01 STEVE BRACAMONTE
007 2016-01-01 STEVEN BRACAMONTE
007 2015-01-01 RYAN MATCHETT
007 2014-01-01 GABRIELLE CAMACHO
007 2013-01-01 RYAN MATCHETT
007 2012-01-01 STEVE BRACAMONTE
007 2011-01-01 STEVE BRACAMONTE
007 2009-01-01 STEVE BRACAMONTE

Plan Statistics for TUCSON ELECTRIC POWER COMPANY 401K

401k plan membership statisitcs for TUCSON ELECTRIC POWER COMPANY 401K

Measure Date Value
2022: TUCSON ELECTRIC POWER COMPANY 401K 2022 401k membership
Total participants, beginning-of-year 2022-01-01 2,306
Total number of active participants reported on line 7a of the Form 5500 2022-01-01 1,991
Number of retired or separated participants receiving benefits 2022-01-01 9
Number of other retired or separated participants entitled to future benefits 2022-01-01 349
Total of all active and inactive participants 2022-01-01 2,349
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2022-01-01 9
Total participants 2022-01-01 2,358
Number of participants with account balances 2022-01-01 2,269
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2022-01-01 0
2021: TUCSON ELECTRIC POWER COMPANY 401K 2021 401k membership
Total participants, beginning-of-year 2021-01-01 2,334
Total number of active participants reported on line 7a of the Form 5500 2021-01-01 1,992
Number of retired or separated participants receiving benefits 2021-01-01 9
Number of other retired or separated participants entitled to future benefits 2021-01-01 301
Total of all active and inactive participants 2021-01-01 2,302
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2021-01-01 4
Total participants 2021-01-01 2,306
Number of participants with account balances 2021-01-01 2,244
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2021-01-01 0
2020: TUCSON ELECTRIC POWER COMPANY 401K 2020 401k membership
Total participants, beginning-of-year 2020-01-01 2,270
Total number of active participants reported on line 7a of the Form 5500 2020-01-01 2,121
Number of retired or separated participants receiving benefits 2020-01-01 5
Number of other retired or separated participants entitled to future benefits 2020-01-01 207
Total of all active and inactive participants 2020-01-01 2,333
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2020-01-01 1
Total participants 2020-01-01 2,334
Number of participants with account balances 2020-01-01 2,176
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2020-01-01 0
2019: TUCSON ELECTRIC POWER COMPANY 401K 2019 401k membership
Total participants, beginning-of-year 2019-01-01 2,224
Total number of active participants reported on line 7a of the Form 5500 2019-01-01 2,015
Number of retired or separated participants receiving benefits 2019-01-01 9
Number of other retired or separated participants entitled to future benefits 2019-01-01 244
Total of all active and inactive participants 2019-01-01 2,268
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2019-01-01 2
Total participants 2019-01-01 2,270
Number of participants with account balances 2019-01-01 2,150
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2019-01-01 0
2018: TUCSON ELECTRIC POWER COMPANY 401K 2018 401k membership
Total participants, beginning-of-year 2018-01-01 2,187
Total number of active participants reported on line 7a of the Form 5500 2018-01-01 1,953
Number of retired or separated participants receiving benefits 2018-01-01 7
Number of other retired or separated participants entitled to future benefits 2018-01-01 263
Total of all active and inactive participants 2018-01-01 2,223
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2018-01-01 1
Total participants 2018-01-01 2,224
Number of participants with account balances 2018-01-01 2,095
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2018-01-01 0
2017: TUCSON ELECTRIC POWER COMPANY 401K 2017 401k membership
Total participants, beginning-of-year 2017-01-01 2,175
Total number of active participants reported on line 7a of the Form 5500 2017-01-01 1,967
Number of retired or separated participants receiving benefits 2017-01-01 7
Number of other retired or separated participants entitled to future benefits 2017-01-01 212
Total of all active and inactive participants 2017-01-01 2,186
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2017-01-01 1
Total participants 2017-01-01 2,187
Number of participants with account balances 2017-01-01 2,041
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2017-01-01 0
2016: TUCSON ELECTRIC POWER COMPANY 401K 2016 401k membership
Total participants, beginning-of-year 2016-01-01 2,200
Total number of active participants reported on line 7a of the Form 5500 2016-01-01 1,977
Number of retired or separated participants receiving benefits 2016-01-01 6
Number of other retired or separated participants entitled to future benefits 2016-01-01 191
Total of all active and inactive participants 2016-01-01 2,174
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2016-01-01 1
Total participants 2016-01-01 2,175
Number of participants with account balances 2016-01-01 2,003
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2016-01-01 0
2015: TUCSON ELECTRIC POWER COMPANY 401K 2015 401k membership
Total participants, beginning-of-year 2015-01-01 2,182
Total number of active participants reported on line 7a of the Form 5500 2015-01-01 1,990
Number of retired or separated participants receiving benefits 2015-01-01 5
Number of other retired or separated participants entitled to future benefits 2015-01-01 203
Total of all active and inactive participants 2015-01-01 2,198
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2015-01-01 2
Total participants 2015-01-01 2,200
Number of participants with account balances 2015-01-01 1,982
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2015-01-01 0
2014: TUCSON ELECTRIC POWER COMPANY 401K 2014 401k membership
Total participants, beginning-of-year 2014-01-01 2,151
Total number of active participants reported on line 7a of the Form 5500 2014-01-01 1,998
Number of retired or separated participants receiving benefits 2014-01-01 3
Number of other retired or separated participants entitled to future benefits 2014-01-01 181
Total of all active and inactive participants 2014-01-01 2,182
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2014-01-01 0
Total participants 2014-01-01 2,182
Number of participants with account balances 2014-01-01 1,918
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2014-01-01 0
2013: TUCSON ELECTRIC POWER COMPANY 401K 2013 401k membership
Total participants, beginning-of-year 2013-01-01 2,100
Total number of active participants reported on line 7a of the Form 5500 2013-01-01 1,976
Number of retired or separated participants receiving benefits 2013-01-01 4
Number of other retired or separated participants entitled to future benefits 2013-01-01 171
Total of all active and inactive participants 2013-01-01 2,151
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2013-01-01 0
Total participants 2013-01-01 2,151
Number of participants with account balances 2013-01-01 1,871
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2013-01-01 0
2012: TUCSON ELECTRIC POWER COMPANY 401K 2012 401k membership
Total participants, beginning-of-year 2012-01-01 2,127
Total number of active participants reported on line 7a of the Form 5500 2012-01-01 1,947
Number of retired or separated participants receiving benefits 2012-01-01 9
Number of other retired or separated participants entitled to future benefits 2012-01-01 144
Total of all active and inactive participants 2012-01-01 2,100
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2012-01-01 0
Total participants 2012-01-01 2,100
Number of participants with account balances 2012-01-01 1,819
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2012-01-01 0
2011: TUCSON ELECTRIC POWER COMPANY 401K 2011 401k membership
Total participants, beginning-of-year 2011-01-01 2,122
Total number of active participants reported on line 7a of the Form 5500 2011-01-01 1,976
Number of retired or separated participants receiving benefits 2011-01-01 4
Number of other retired or separated participants entitled to future benefits 2011-01-01 148
Total of all active and inactive participants 2011-01-01 2,128
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2011-01-01 0
Total participants 2011-01-01 2,128
Number of participants with account balances 2011-01-01 1,801
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2011-01-01 0
2009: TUCSON ELECTRIC POWER COMPANY 401K 2009 401k membership
Total participants, beginning-of-year 2009-01-01 2,146
Total number of active participants reported on line 7a of the Form 5500 2009-01-01 1,982
Number of retired or separated participants receiving benefits 2009-01-01 4
Number of other retired or separated participants entitled to future benefits 2009-01-01 123
Total of all active and inactive participants 2009-01-01 2,109
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2009-01-01 0
Total participants 2009-01-01 2,109
Number of participants with account balances 2009-01-01 1,683
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2009-01-01 0

Measure	Date	Value
2022: TUCSON ELECTRIC POWER COMPANY 401K 2022 401k membership
Total participants, beginning-of-year	2022-01-01	2,306
Total number of active participants reported on line 7a of the Form 5500	2022-01-01	1,991
Number of retired or separated participants receiving benefits	2022-01-01	9
Number of other retired or separated participants entitled to future benefits	2022-01-01	349
Total of all active and inactive participants	2022-01-01	2,349
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2022-01-01	9
Total participants	2022-01-01	2,358
Number of participants with account balances	2022-01-01	2,269
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2022-01-01	0
2021: TUCSON ELECTRIC POWER COMPANY 401K 2021 401k membership
Total participants, beginning-of-year	2021-01-01	2,334
Total number of active participants reported on line 7a of the Form 5500	2021-01-01	1,992
Number of retired or separated participants receiving benefits	2021-01-01	9
Number of other retired or separated participants entitled to future benefits	2021-01-01	301
Total of all active and inactive participants	2021-01-01	2,302
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2021-01-01	4
Total participants	2021-01-01	2,306
Number of participants with account balances	2021-01-01	2,244
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2021-01-01	0
2020: TUCSON ELECTRIC POWER COMPANY 401K 2020 401k membership
Total participants, beginning-of-year	2020-01-01	2,270
Total number of active participants reported on line 7a of the Form 5500	2020-01-01	2,121
Number of retired or separated participants receiving benefits	2020-01-01	5
Number of other retired or separated participants entitled to future benefits	2020-01-01	207
Total of all active and inactive participants	2020-01-01	2,333
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2020-01-01	1
Total participants	2020-01-01	2,334
Number of participants with account balances	2020-01-01	2,176
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2020-01-01	0
2019: TUCSON ELECTRIC POWER COMPANY 401K 2019 401k membership
Total participants, beginning-of-year	2019-01-01	2,224
Total number of active participants reported on line 7a of the Form 5500	2019-01-01	2,015
Number of retired or separated participants receiving benefits	2019-01-01	9
Number of other retired or separated participants entitled to future benefits	2019-01-01	244
Total of all active and inactive participants	2019-01-01	2,268
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2019-01-01	2
Total participants	2019-01-01	2,270
Number of participants with account balances	2019-01-01	2,150
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2019-01-01	0
2018: TUCSON ELECTRIC POWER COMPANY 401K 2018 401k membership
Total participants, beginning-of-year	2018-01-01	2,187
Total number of active participants reported on line 7a of the Form 5500	2018-01-01	1,953
Number of retired or separated participants receiving benefits	2018-01-01	7
Number of other retired or separated participants entitled to future benefits	2018-01-01	263
Total of all active and inactive participants	2018-01-01	2,223
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2018-01-01	1
Total participants	2018-01-01	2,224
Number of participants with account balances	2018-01-01	2,095
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2018-01-01	0
2017: TUCSON ELECTRIC POWER COMPANY 401K 2017 401k membership
Total participants, beginning-of-year	2017-01-01	2,175
Total number of active participants reported on line 7a of the Form 5500	2017-01-01	1,967
Number of retired or separated participants receiving benefits	2017-01-01	7
Number of other retired or separated participants entitled to future benefits	2017-01-01	212
Total of all active and inactive participants	2017-01-01	2,186
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2017-01-01	1
Total participants	2017-01-01	2,187
Number of participants with account balances	2017-01-01	2,041
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2017-01-01	0
2016: TUCSON ELECTRIC POWER COMPANY 401K 2016 401k membership
Total participants, beginning-of-year	2016-01-01	2,200
Total number of active participants reported on line 7a of the Form 5500	2016-01-01	1,977
Number of retired or separated participants receiving benefits	2016-01-01	6
Number of other retired or separated participants entitled to future benefits	2016-01-01	191
Total of all active and inactive participants	2016-01-01	2,174
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2016-01-01	1
Total participants	2016-01-01	2,175
Number of participants with account balances	2016-01-01	2,003
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2016-01-01	0
2015: TUCSON ELECTRIC POWER COMPANY 401K 2015 401k membership
Total participants, beginning-of-year	2015-01-01	2,182
Total number of active participants reported on line 7a of the Form 5500	2015-01-01	1,990
Number of retired or separated participants receiving benefits	2015-01-01	5
Number of other retired or separated participants entitled to future benefits	2015-01-01	203
Total of all active and inactive participants	2015-01-01	2,198
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2015-01-01	2
Total participants	2015-01-01	2,200
Number of participants with account balances	2015-01-01	1,982
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2015-01-01	0
2014: TUCSON ELECTRIC POWER COMPANY 401K 2014 401k membership
Total participants, beginning-of-year	2014-01-01	2,151
Total number of active participants reported on line 7a of the Form 5500	2014-01-01	1,998
Number of retired or separated participants receiving benefits	2014-01-01	3
Number of other retired or separated participants entitled to future benefits	2014-01-01	181
Total of all active and inactive participants	2014-01-01	2,182
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2014-01-01	0
Total participants	2014-01-01	2,182
Number of participants with account balances	2014-01-01	1,918
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2014-01-01	0
2013: TUCSON ELECTRIC POWER COMPANY 401K 2013 401k membership
Total participants, beginning-of-year	2013-01-01	2,100
Total number of active participants reported on line 7a of the Form 5500	2013-01-01	1,976
Number of retired or separated participants receiving benefits	2013-01-01	4
Number of other retired or separated participants entitled to future benefits	2013-01-01	171
Total of all active and inactive participants	2013-01-01	2,151
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2013-01-01	0
Total participants	2013-01-01	2,151
Number of participants with account balances	2013-01-01	1,871
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2013-01-01	0
2012: TUCSON ELECTRIC POWER COMPANY 401K 2012 401k membership
Total participants, beginning-of-year	2012-01-01	2,127
Total number of active participants reported on line 7a of the Form 5500	2012-01-01	1,947
Number of retired or separated participants receiving benefits	2012-01-01	9
Number of other retired or separated participants entitled to future benefits	2012-01-01	144
Total of all active and inactive participants	2012-01-01	2,100
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2012-01-01	0
Total participants	2012-01-01	2,100
Number of participants with account balances	2012-01-01	1,819
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2012-01-01	0
2011: TUCSON ELECTRIC POWER COMPANY 401K 2011 401k membership
Total participants, beginning-of-year	2011-01-01	2,122
Total number of active participants reported on line 7a of the Form 5500	2011-01-01	1,976
Number of retired or separated participants receiving benefits	2011-01-01	4
Number of other retired or separated participants entitled to future benefits	2011-01-01	148
Total of all active and inactive participants	2011-01-01	2,128
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2011-01-01	0
Total participants	2011-01-01	2,128
Number of participants with account balances	2011-01-01	1,801
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2011-01-01	0
2009: TUCSON ELECTRIC POWER COMPANY 401K 2009 401k membership
Total participants, beginning-of-year	2009-01-01	2,146
Total number of active participants reported on line 7a of the Form 5500	2009-01-01	1,982
Number of retired or separated participants receiving benefits	2009-01-01	4
Number of other retired or separated participants entitled to future benefits	2009-01-01	123
Total of all active and inactive participants	2009-01-01	2,109
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2009-01-01	0
Total participants	2009-01-01	2,109
Number of participants with account balances	2009-01-01	1,683
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2009-01-01	0

Financial Data on TUCSON ELECTRIC POWER COMPANY 401K

Measure	Date	Value
2022 : TUCSON ELECTRIC POWER COMPANY 401K 2022 401k financial data
Unrealized appreciation/depreciation of real estate assets	2022-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2022-12-31	$-2,929,640
Total unrealized appreciation/depreciation of assets	2022-12-31	$-2,929,640
Total transfer of assets to this plan	2022-12-31	$0
Total transfer of assets from this plan	2022-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2022-12-31	$11
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2022-12-31	$0
Expenses. Interest paid	2022-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2022-12-31	$0
Total income from all sources (including contributions)	2022-12-31	$-59,139,522
Total loss/gain on sale of assets	2022-12-31	$-1,329,636
Total of all expenses incurred	2022-12-31	$44,953,694
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2022-12-31	$44,613,248
Expenses. Certain deemed distributions of participant loans	2022-12-31	$48,280
Value of total corrective distributions	2022-12-31	$5,143
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2022-12-31	$29,145,173
Value of total assets at end of year	2022-12-31	$361,596,221
Value of total assets at beginning of year	2022-12-31	$465,689,426
Total of administrative expenses incurred including professional, contract, advisory and management fees	2022-12-31	$287,023
Total income from rents	2022-12-31	$0
Total interest from all sources	2022-12-31	$792,282
Total dividends received (eg from common stock, registered investment company shares)	2022-12-31	$6,112,851
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2022-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2022-12-31	$5,975,523
Assets. Real estate other than employer real property at end of year	2022-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2022-12-31	$0
Administrative expenses professional fees incurred	2022-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2022-12-31	$98,766
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2022-12-31	$120,950
Was this plan covered by a fidelity bond	2022-12-31	Yes
Value of fidelity bond cover	2022-12-31	$10,000,000
If this is an individual account plan, was there a blackout period	2022-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2022-12-31	No
Contributions received from participants	2022-12-31	$19,249,520
Participant contributions at end of year	2022-12-31	$7,666,845
Participant contributions at beginning of year	2022-12-31	$8,403,705
Participant contributions at end of year	2022-12-31	$0
Participant contributions at beginning of year	2022-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2022-12-31	$-5,842
Assets. Other investments not covered elsewhere at beginning of year	2022-12-31	$-3,890
Income. Received or receivable in cash from other sources (including rollovers)	2022-12-31	$1,645,035
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2022-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2022-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2022-12-31	$0
Assets. Loans (other than to participants) at end of year	2022-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2022-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2022-12-31	$11
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2022-12-31	$0
Other income not declared elsewhere	2022-12-31	$0
Administrative expenses (other) incurred	2022-12-31	$143,675
Liabilities. Value of operating payables at end of year	2022-12-31	$0
Liabilities. Value of operating payables at beginning of year	2022-12-31	$0
Total non interest bearing cash at end of year	2022-12-31	$26,093
Total non interest bearing cash at beginning of year	2022-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2022-12-31	No
Income. Non cash contributions	2022-12-31	$0
Value of net income/loss	2022-12-31	$-104,093,216
Value of net assets at end of year (total assets less liabilities)	2022-12-31	$361,596,210
Value of net assets at beginning of year (total assets less liabilities)	2022-12-31	$465,689,426
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2022-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2022-12-31	No
Were any leases to which the plan was party in default or uncollectible	2022-12-31	No
Assets. partnership/joint venture interests at end of year	2022-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2022-12-31	$0
Investment advisory and management fees	2022-12-31	$143,348
Value of interest in registered invesment companies (eg mutual funds) at end of year	2022-12-31	$312,825,075
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2022-12-31	$408,749,649
Value of interest in pooled separate accounts at end of year	2022-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2022-12-31	$0
Interest on participant loans	2022-12-31	$493,071
Income. Interest from loans (other than to participants)	2022-12-31	$0
Interest earned on other investments	2022-12-31	$0
Income. Interest from US Government securities	2022-12-31	$472
Income. Interest from corporate debt instruments	2022-12-31	$250
Value of interest in master investment trust accounts at end of year	2022-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2022-12-31	$0
Value of interest in common/collective trusts at end of year	2022-12-31	$13,319,118
Value of interest in common/collective trusts at beginning of year	2022-12-31	$17,782,373
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2022-12-31	$19,447,554
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2022-12-31	$17,443,732
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2022-12-31	$17,443,732
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2022-12-31	$298,489
Assets. Value of investments in 103.12 investment entities at end of year	2022-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2022-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at end of year	2022-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year	2022-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2022-12-31	$0
Asset value of US Government securities at end of year	2022-12-31	$376,781
Asset value of US Government securities at beginning of year	2022-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2022-12-31	$-90,029,275
Net investment gain/loss from pooled separate accounts	2022-12-31	$0
Net investment gain or loss from common/collective trusts	2022-12-31	$-901,277
Net gain/loss from 103.12 investment entities	2022-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2022-12-31	No
Was there a failure to transmit to the plan any participant contributions	2022-12-31	No
Has the plan failed to provide any benefit when due under the plan	2022-12-31	Yes
Assets. Invements in employer securities at end of year	2022-12-31	$1,130,861
Assets. Invements in employer securities at beginning of year	2022-12-31	$1,049,126
Assets. Value of employer real property at end of year	2022-12-31	$0
Assets. Value of employer real property at beginning of year	2022-12-31	$0
Contributions received in cash from employer	2022-12-31	$8,250,618
Employer contributions (assets) at end of year	2022-12-31	$0
Employer contributions (assets) at beginning of year	2022-12-31	$0
Income. Dividends from preferred stock	2022-12-31	$6,369
Income. Dividends from common stock	2022-12-31	$130,959
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2022-12-31	$44,613,248
Asset. Corporate debt instrument preferred debt at end of year	2022-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2022-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2022-12-31	$32,031
Asset. Corporate debt instrument debt (other) at beginning of year	2022-12-31	$9,899
Contract administrator fees	2022-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2022-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2022-12-31	$6,678,939
Assets. Corporate common stocks other than exployer securities at beginning of year	2022-12-31	$12,133,882
Liabilities. Value of benefit claims payable at end of year	2022-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2022-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2022-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2022-12-31	$0
Did the plan have assets held for investment	2022-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2022-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2022-12-31	No
Aggregate proceeds on sale of assets	2022-12-31	$21,458,209
Aggregate carrying amount (costs) on sale of assets	2022-12-31	$22,787,845
Liabilities. Value of acquisition indebtedness at end of year	2022-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2022-12-31	$0
Opinion of an independent qualified public accountant for this plan	2022-12-31	Unqualified
Accountancy firm name	2022-12-31	R&A CPAS A PROFESSIONAL CORPORATION
Accountancy firm EIN	2022-12-31	860550947
2021 : TUCSON ELECTRIC POWER COMPANY 401K 2021 401k financial data
Unrealized appreciation/depreciation of real estate assets	2021-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2021-12-31	$501,092
Total unrealized appreciation/depreciation of assets	2021-12-31	$501,092
Total transfer of assets to this plan	2021-12-31	$0
Total transfer of assets from this plan	2021-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2021-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2021-12-31	$0
Expenses. Interest paid	2021-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2021-12-31	$0
Total income from all sources (including contributions)	2021-12-31	$91,457,047
Total loss/gain on sale of assets	2021-12-31	$1,046,572
Total of all expenses incurred	2021-12-31	$40,898,436
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2021-12-31	$40,685,460
Expenses. Certain deemed distributions of participant loans	2021-12-31	$-569
Value of total corrective distributions	2021-12-31	$0
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2021-12-31	$28,222,864
Value of total assets at end of year	2021-12-31	$465,689,426
Value of total assets at beginning of year	2021-12-31	$415,130,815
Total of administrative expenses incurred including professional, contract, advisory and management fees	2021-12-31	$213,545
Total income from rents	2021-12-31	$0
Total interest from all sources	2021-12-31	$546,582
Total dividends received (eg from common stock, registered investment company shares)	2021-12-31	$11,027,552
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2021-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2021-12-31	$10,865,874
Assets. Real estate other than employer real property at end of year	2021-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2021-12-31	$0
Administrative expenses professional fees incurred	2021-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2021-12-31	$120,950
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2021-12-31	$113,704
Was this plan covered by a fidelity bond	2021-12-31	Yes
Value of fidelity bond cover	2021-12-31	$10,000,000
If this is an individual account plan, was there a blackout period	2021-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2021-12-31	No
Contributions received from participants	2021-12-31	$18,330,613
Participant contributions at end of year	2021-12-31	$8,403,705
Participant contributions at beginning of year	2021-12-31	$8,779,207
Participant contributions at end of year	2021-12-31	$0
Participant contributions at beginning of year	2021-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2021-12-31	$-3,890
Assets. Other investments not covered elsewhere at beginning of year	2021-12-31	$-5,863
Income. Received or receivable in cash from other sources (including rollovers)	2021-12-31	$2,176,228
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2021-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2021-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2021-12-31	$0
Assets. Loans (other than to participants) at end of year	2021-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2021-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2021-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2021-12-31	$0
Other income not declared elsewhere	2021-12-31	$0
Administrative expenses (other) incurred	2021-12-31	$73,449
Liabilities. Value of operating payables at end of year	2021-12-31	$0
Liabilities. Value of operating payables at beginning of year	2021-12-31	$0
Total non interest bearing cash at end of year	2021-12-31	$0
Total non interest bearing cash at beginning of year	2021-12-31	$8,508
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2021-12-31	No
Income. Non cash contributions	2021-12-31	$0
Value of net income/loss	2021-12-31	$50,558,611
Value of net assets at end of year (total assets less liabilities)	2021-12-31	$465,689,426
Value of net assets at beginning of year (total assets less liabilities)	2021-12-31	$415,130,815
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2021-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2021-12-31	No
Were any leases to which the plan was party in default or uncollectible	2021-12-31	No
Assets. partnership/joint venture interests at end of year	2021-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2021-12-31	$0
Investment advisory and management fees	2021-12-31	$140,096
Value of interest in registered invesment companies (eg mutual funds) at end of year	2021-12-31	$408,749,649
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2021-12-31	$360,113,982
Value of interest in pooled separate accounts at end of year	2021-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2021-12-31	$0
Interest on participant loans	2021-12-31	$542,696
Income. Interest from loans (other than to participants)	2021-12-31	$0
Interest earned on other investments	2021-12-31	$0
Income. Interest from US Government securities	2021-12-31	$0
Income. Interest from corporate debt instruments	2021-12-31	$400
Value of interest in master investment trust accounts at end of year	2021-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2021-12-31	$0
Value of interest in common/collective trusts at end of year	2021-12-31	$17,782,373
Value of interest in common/collective trusts at beginning of year	2021-12-31	$15,581,531
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2021-12-31	$17,443,732
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2021-12-31	$19,356,915
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2021-12-31	$19,356,915
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2021-12-31	$3,486
Assets. Value of investments in 103.12 investment entities at end of year	2021-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2021-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at end of year	2021-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year	2021-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2021-12-31	$0
Asset value of US Government securities at end of year	2021-12-31	$0
Asset value of US Government securities at beginning of year	2021-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2021-12-31	$50,290,523
Net investment gain/loss from pooled separate accounts	2021-12-31	$0
Net investment gain or loss from common/collective trusts	2021-12-31	$-178,138
Net gain/loss from 103.12 investment entities	2021-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2021-12-31	No
Was there a failure to transmit to the plan any participant contributions	2021-12-31	No
Has the plan failed to provide any benefit when due under the plan	2021-12-31	Yes
Assets. Invements in employer securities at end of year	2021-12-31	$1,049,126
Assets. Invements in employer securities at beginning of year	2021-12-31	$849,778
Assets. Value of employer real property at end of year	2021-12-31	$0
Assets. Value of employer real property at beginning of year	2021-12-31	$0
Contributions received in cash from employer	2021-12-31	$7,716,023
Employer contributions (assets) at end of year	2021-12-31	$0
Employer contributions (assets) at beginning of year	2021-12-31	$0
Income. Dividends from preferred stock	2021-12-31	$6,098
Income. Dividends from common stock	2021-12-31	$155,580
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2021-12-31	$40,685,460
Asset. Corporate debt instrument preferred debt at end of year	2021-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2021-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2021-12-31	$9,899
Asset. Corporate debt instrument debt (other) at beginning of year	2021-12-31	$22,417
Contract administrator fees	2021-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2021-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2021-12-31	$12,133,882
Assets. Corporate common stocks other than exployer securities at beginning of year	2021-12-31	$10,310,636
Liabilities. Value of benefit claims payable at end of year	2021-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2021-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2021-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2021-12-31	$0
Did the plan have assets held for investment	2021-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2021-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2021-12-31	No
Aggregate proceeds on sale of assets	2021-12-31	$36,531,428
Aggregate carrying amount (costs) on sale of assets	2021-12-31	$35,484,856
Liabilities. Value of acquisition indebtedness at end of year	2021-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2021-12-31	$0
Opinion of an independent qualified public accountant for this plan	2021-12-31	Unqualified
Accountancy firm name	2021-12-31	R&A CPAS A PROFESSIONAL CORPORATION
Accountancy firm EIN	2021-12-31	860550947
2020 : TUCSON ELECTRIC POWER COMPANY 401K 2020 401k financial data
Unrealized appreciation/depreciation of real estate assets	2020-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2020-12-31	$1,878,825
Total unrealized appreciation/depreciation of assets	2020-12-31	$1,878,825
Total transfer of assets to this plan	2020-12-31	$0
Total transfer of assets from this plan	2020-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2020-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2020-12-31	$0
Expenses. Interest paid	2020-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2020-12-31	$0
Total income from all sources (including contributions)	2020-12-31	$102,390,518
Total loss/gain on sale of assets	2020-12-31	$835,791
Total of all expenses incurred	2020-12-31	$41,679,902
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2020-12-31	$41,985,002
Expenses. Certain deemed distributions of participant loans	2020-12-31	$569
Value of total corrective distributions	2020-12-31	$0
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2020-12-31	$25,110,134
Value of total assets at end of year	2020-12-31	$415,130,815
Value of total assets at beginning of year	2020-12-31	$354,420,199
Total of administrative expenses incurred including professional, contract, advisory and management fees	2020-12-31	$-305,669
Total income from rents	2020-12-31	$0
Total interest from all sources	2020-12-31	$597,746
Total dividends received (eg from common stock, registered investment company shares)	2020-12-31	$9,438,766
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2020-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2020-12-31	$9,303,516
Assets. Real estate other than employer real property at end of year	2020-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2020-12-31	$0
Administrative expenses professional fees incurred	2020-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2020-12-31	$113,704
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2020-12-31	$56,242
Was this plan covered by a fidelity bond	2020-12-31	Yes
Value of fidelity bond cover	2020-12-31	$10,000,000
If this is an individual account plan, was there a blackout period	2020-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2020-12-31	No
Contributions received from participants	2020-12-31	$16,887,992
Participant contributions at end of year	2020-12-31	$8,779,207
Participant contributions at beginning of year	2020-12-31	$8,686,086
Participant contributions at end of year	2020-12-31	$0
Participant contributions at beginning of year	2020-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2020-12-31	$-5,863
Assets. Other investments not covered elsewhere at beginning of year	2020-12-31	$-466
Income. Received or receivable in cash from other sources (including rollovers)	2020-12-31	$1,137,209
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2020-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2020-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2020-12-31	$0
Assets. Loans (other than to participants) at end of year	2020-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2020-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2020-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2020-12-31	$0
Other income not declared elsewhere	2020-12-31	$0
Administrative expenses (other) incurred	2020-12-31	$-379,278
Liabilities. Value of operating payables at end of year	2020-12-31	$0
Liabilities. Value of operating payables at beginning of year	2020-12-31	$0
Total non interest bearing cash at end of year	2020-12-31	$8,508
Total non interest bearing cash at beginning of year	2020-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2020-12-31	No
Income. Non cash contributions	2020-12-31	$0
Value of net income/loss	2020-12-31	$60,710,616
Value of net assets at end of year (total assets less liabilities)	2020-12-31	$415,130,815
Value of net assets at beginning of year (total assets less liabilities)	2020-12-31	$354,420,199
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2020-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2020-12-31	No
Were any leases to which the plan was party in default or uncollectible	2020-12-31	No
Assets. partnership/joint venture interests at end of year	2020-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2020-12-31	$0
Investment advisory and management fees	2020-12-31	$73,609
Value of interest in registered invesment companies (eg mutual funds) at end of year	2020-12-31	$360,113,982
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2020-12-31	$308,680,242
Value of interest in pooled separate accounts at end of year	2020-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2020-12-31	$0
Interest on participant loans	2020-12-31	$547,293
Income. Interest from loans (other than to participants)	2020-12-31	$0
Interest earned on other investments	2020-12-31	$0
Income. Interest from US Government securities	2020-12-31	$0
Income. Interest from corporate debt instruments	2020-12-31	$1,933
Value of interest in master investment trust accounts at end of year	2020-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2020-12-31	$0
Value of interest in common/collective trusts at end of year	2020-12-31	$15,581,531
Value of interest in common/collective trusts at beginning of year	2020-12-31	$11,993,783
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2020-12-31	$19,356,915
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2020-12-31	$18,318,599
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2020-12-31	$18,318,599
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2020-12-31	$48,520
Assets. Value of investments in 103.12 investment entities at end of year	2020-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2020-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at end of year	2020-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year	2020-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2020-12-31	$0
Asset value of US Government securities at end of year	2020-12-31	$0
Asset value of US Government securities at beginning of year	2020-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2020-12-31	$63,971,338
Net investment gain/loss from pooled separate accounts	2020-12-31	$0
Net investment gain or loss from common/collective trusts	2020-12-31	$557,918
Net gain/loss from 103.12 investment entities	2020-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2020-12-31	No
Was there a failure to transmit to the plan any participant contributions	2020-12-31	No
Has the plan failed to provide any benefit when due under the plan	2020-12-31	Yes
Assets. Invements in employer securities at end of year	2020-12-31	$849,778
Assets. Invements in employer securities at beginning of year	2020-12-31	$674,093
Assets. Value of employer real property at end of year	2020-12-31	$0
Assets. Value of employer real property at beginning of year	2020-12-31	$0
Contributions received in cash from employer	2020-12-31	$7,084,933
Employer contributions (assets) at end of year	2020-12-31	$0
Employer contributions (assets) at beginning of year	2020-12-31	$0
Income. Dividends from preferred stock	2020-12-31	$4,296
Income. Dividends from common stock	2020-12-31	$130,954
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2020-12-31	$41,985,002
Asset. Corporate debt instrument preferred debt at end of year	2020-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2020-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2020-12-31	$22,417
Asset. Corporate debt instrument debt (other) at beginning of year	2020-12-31	$32,125
Contract administrator fees	2020-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2020-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2020-12-31	$10,310,636
Assets. Corporate common stocks other than exployer securities at beginning of year	2020-12-31	$5,979,495
Liabilities. Value of benefit claims payable at end of year	2020-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2020-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2020-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2020-12-31	$0
Did the plan have assets held for investment	2020-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2020-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2020-12-31	No
Aggregate proceeds on sale of assets	2020-12-31	$29,653,597
Aggregate carrying amount (costs) on sale of assets	2020-12-31	$28,817,806
Liabilities. Value of acquisition indebtedness at end of year	2020-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2020-12-31	$0
Opinion of an independent qualified public accountant for this plan	2020-12-31	Unqualified
Accountancy firm name	2020-12-31	R&A CPAS A PROFESSIONAL CORPORATION
Accountancy firm EIN	2020-12-31	860550947
2019 : TUCSON ELECTRIC POWER COMPANY 401K 2019 401k financial data
Unrealized appreciation/depreciation of real estate assets	2019-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2019-12-31	$668,703
Total unrealized appreciation/depreciation of assets	2019-12-31	$668,703
Total transfer of assets to this plan	2019-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2019-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2019-12-31	$0
Expenses. Interest paid	2019-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2019-12-31	$0
Total income from all sources (including contributions)	2019-12-31	$92,145,033
Total loss/gain on sale of assets	2019-12-31	$401,424
Total of all expenses incurred	2019-12-31	$31,173,460
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2019-12-31	$31,416,416
Expenses. Certain deemed distributions of participant loans	2019-12-31	$38,133
Value of total corrective distributions	2019-12-31	$0
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2019-12-31	$24,832,791
Value of total assets at end of year	2019-12-31	$354,420,199
Value of total assets at beginning of year	2019-12-31	$293,448,626
Total of administrative expenses incurred including professional, contract, advisory and management fees	2019-12-31	$-281,089
Total income from rents	2019-12-31	$0
Total interest from all sources	2019-12-31	$884,207
Total dividends received (eg from common stock, registered investment company shares)	2019-12-31	$12,400,679
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2019-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2019-12-31	$12,292,260
Assets. Real estate other than employer real property at end of year	2019-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2019-12-31	$0
Administrative expenses professional fees incurred	2019-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2019-12-31	$56,242
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2019-12-31	$739
Was this plan covered by a fidelity bond	2019-12-31	Yes
Value of fidelity bond cover	2019-12-31	$10,000,000
If this is an individual account plan, was there a blackout period	2019-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2019-12-31	No
Contributions received from participants	2019-12-31	$16,198,412
Participant contributions at end of year	2019-12-31	$8,686,086
Participant contributions at beginning of year	2019-12-31	$8,608,783
Participant contributions at end of year	2019-12-31	$0
Participant contributions at beginning of year	2019-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2019-12-31	$-466
Assets. Other investments not covered elsewhere at beginning of year	2019-12-31	$-396
Income. Received or receivable in cash from other sources (including rollovers)	2019-12-31	$1,678,004
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2019-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2019-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2019-12-31	$0
Assets. Loans (other than to participants) at end of year	2019-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2019-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2019-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2019-12-31	$0
Other income not declared elsewhere	2019-12-31	$0
Administrative expenses (other) incurred	2019-12-31	$-354,645
Liabilities. Value of operating payables at end of year	2019-12-31	$0
Liabilities. Value of operating payables at beginning of year	2019-12-31	$0
Total non interest bearing cash at end of year	2019-12-31	$0
Total non interest bearing cash at beginning of year	2019-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2019-12-31	No
Income. Non cash contributions	2019-12-31	$0
Value of net income/loss	2019-12-31	$60,971,573
Value of net assets at end of year (total assets less liabilities)	2019-12-31	$354,420,199
Value of net assets at beginning of year (total assets less liabilities)	2019-12-31	$293,448,626
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2019-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2019-12-31	No
Were any leases to which the plan was party in default or uncollectible	2019-12-31	No
Assets. partnership/joint venture interests at end of year	2019-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2019-12-31	$0
Investment advisory and management fees	2019-12-31	$73,556
Value of interest in registered invesment companies (eg mutual funds) at end of year	2019-12-31	$308,680,242
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2019-12-31	$250,017,830
Value of interest in pooled separate accounts at end of year	2019-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2019-12-31	$0
Interest on participant loans	2019-12-31	$550,310
Income. Interest from loans (other than to participants)	2019-12-31	$0
Interest earned on other investments	2019-12-31	$0
Income. Interest from US Government securities	2019-12-31	$75
Income. Interest from corporate debt instruments	2019-12-31	$3,388
Value of interest in master investment trust accounts at end of year	2019-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2019-12-31	$0
Value of interest in common/collective trusts at end of year	2019-12-31	$11,993,783
Value of interest in common/collective trusts at beginning of year	2019-12-31	$9,678,374
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2019-12-31	$18,318,599
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2019-12-31	$20,589,868
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2019-12-31	$20,589,868
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2019-12-31	$330,434
Assets. Value of investments in 103.12 investment entities at end of year	2019-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2019-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2019-12-31	$0
Asset value of US Government securities at end of year	2019-12-31	$0
Asset value of US Government securities at beginning of year	2019-12-31	$9,907
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2019-12-31	$52,494,610
Net investment gain/loss from pooled separate accounts	2019-12-31	$0
Net investment gain or loss from common/collective trusts	2019-12-31	$462,619
Net gain/loss from 103.12 investment entities	2019-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2019-12-31	No
Was there a failure to transmit to the plan any participant contributions	2019-12-31	No
Has the plan failed to provide any benefit when due under the plan	2019-12-31	Yes
Assets. Invements in employer securities at end of year	2019-12-31	$674,093
Assets. Invements in employer securities at beginning of year	2019-12-31	$326,170
Assets. Value of employer real property at end of year	2019-12-31	$0
Assets. Value of employer real property at beginning of year	2019-12-31	$0
Contributions received in cash from employer	2019-12-31	$6,956,375
Employer contributions (assets) at end of year	2019-12-31	$0
Employer contributions (assets) at beginning of year	2019-12-31	$0
Income. Dividends from preferred stock	2019-12-31	$510
Income. Dividends from common stock	2019-12-31	$107,909
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2019-12-31	$31,416,416
Asset. Corporate debt instrument preferred debt at end of year	2019-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2019-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2019-12-31	$32,125
Asset. Corporate debt instrument debt (other) at beginning of year	2019-12-31	$17,258
Contract administrator fees	2019-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2019-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2019-12-31	$5,979,495
Assets. Corporate common stocks other than exployer securities at beginning of year	2019-12-31	$4,200,093
Liabilities. Value of benefit claims payable at end of year	2019-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2019-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2019-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2019-12-31	$0
Did the plan have assets held for investment	2019-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2019-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2019-12-31	No
Aggregate proceeds on sale of assets	2019-12-31	$12,116,482
Aggregate carrying amount (costs) on sale of assets	2019-12-31	$11,715,058
Liabilities. Value of acquisition indebtedness at end of year	2019-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2019-12-31	$0
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2019-12-31	No
Opinion of an independent qualified public accountant for this plan	2019-12-31	Unqualified
Accountancy firm name	2019-12-31	R&A CPAS A PROFESSIONAL CORPORATION
Accountancy firm EIN	2019-12-31	860550947
2018 : TUCSON ELECTRIC POWER COMPANY 401K 2018 401k financial data
Unrealized appreciation/depreciation of real estate assets	2018-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2018-12-31	$-765,612
Total unrealized appreciation/depreciation of assets	2018-12-31	$-765,612
Total transfer of assets to this plan	2018-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2018-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2018-12-31	$0
Expenses. Interest paid	2018-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2018-12-31	$0
Total income from all sources (including contributions)	2018-12-31	$7,960,784
Total loss/gain on sale of assets	2018-12-31	$-173,796
Total of all expenses incurred	2018-12-31	$36,327,336
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2018-12-31	$36,628,192
Expenses. Certain deemed distributions of participant loans	2018-12-31	$-33,522
Value of total corrective distributions	2018-12-31	$0
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2018-12-31	$22,507,555
Value of total assets at end of year	2018-12-31	$293,448,626
Value of total assets at beginning of year	2018-12-31	$321,815,178
Total of administrative expenses incurred including professional, contract, advisory and management fees	2018-12-31	$-267,334
Total income from rents	2018-12-31	$0
Total interest from all sources	2018-12-31	$775,735
Total dividends received (eg from common stock, registered investment company shares)	2018-12-31	$15,511,670
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2018-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2018-12-31	$15,425,361
Assets. Real estate other than employer real property at end of year	2018-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2018-12-31	$0
Administrative expenses professional fees incurred	2018-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2018-12-31	$739
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2018-12-31	$845
Was this plan covered by a fidelity bond	2018-12-31	Yes
Value of fidelity bond cover	2018-12-31	$10,000,000
If this is an individual account plan, was there a blackout period	2018-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2018-12-31	No
Contributions received from participants	2018-12-31	$15,208,739
Participant contributions at end of year	2018-12-31	$8,608,783
Participant contributions at beginning of year	2018-12-31	$8,591,051
Participant contributions at end of year	2018-12-31	$0
Participant contributions at beginning of year	2018-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2018-12-31	$-396
Assets. Other investments not covered elsewhere at beginning of year	2018-12-31	$135
Income. Received or receivable in cash from other sources (including rollovers)	2018-12-31	$706,996
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2018-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2018-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2018-12-31	$0
Assets. Loans (other than to participants) at end of year	2018-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2018-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2018-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2018-12-31	$0
Other income not declared elsewhere	2018-12-31	$0
Administrative expenses (other) incurred	2018-12-31	$-332,516
Liabilities. Value of operating payables at end of year	2018-12-31	$0
Liabilities. Value of operating payables at beginning of year	2018-12-31	$0
Total non interest bearing cash at end of year	2018-12-31	$0
Total non interest bearing cash at beginning of year	2018-12-31	$2,900
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2018-12-31	No
Income. Non cash contributions	2018-12-31	$0
Value of net income/loss	2018-12-31	$-28,366,552
Value of net assets at end of year (total assets less liabilities)	2018-12-31	$293,448,626
Value of net assets at beginning of year (total assets less liabilities)	2018-12-31	$321,815,178
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2018-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2018-12-31	No
Were any leases to which the plan was party in default or uncollectible	2018-12-31	No
Assets. partnership/joint venture interests at end of year	2018-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2018-12-31	$0
Investment advisory and management fees	2018-12-31	$65,182
Value of interest in registered invesment companies (eg mutual funds) at end of year	2018-12-31	$250,017,830
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2018-12-31	$278,858,652
Value of interest in pooled separate accounts at end of year	2018-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2018-12-31	$0
Interest on participant loans	2018-12-31	$515,096
Income. Interest from loans (other than to participants)	2018-12-31	$0
Interest earned on other investments	2018-12-31	$0
Income. Interest from US Government securities	2018-12-31	$575
Income. Interest from corporate debt instruments	2018-12-31	$0
Value of interest in master investment trust accounts at end of year	2018-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2018-12-31	$0
Value of interest in common/collective trusts at end of year	2018-12-31	$9,678,374
Value of interest in common/collective trusts at beginning of year	2018-12-31	$10,545,306
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2018-12-31	$20,589,868
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2018-12-31	$17,135,957
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2018-12-31	$17,135,957
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2018-12-31	$260,064
Assets. Value of investments in 103.12 investment entities at end of year	2018-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2018-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2018-12-31	$0
Asset value of US Government securities at end of year	2018-12-31	$9,907
Asset value of US Government securities at beginning of year	2018-12-31	$100,000
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2018-12-31	$-29,984,667
Net investment gain/loss from pooled separate accounts	2018-12-31	$0
Net investment gain or loss from common/collective trusts	2018-12-31	$89,899
Net gain/loss from 103.12 investment entities	2018-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2018-12-31	No
Was there a failure to transmit to the plan any participant contributions	2018-12-31	No
Has the plan failed to provide any benefit when due under the plan	2018-12-31	Yes
Assets. Invements in employer securities at end of year	2018-12-31	$326,170
Assets. Invements in employer securities at beginning of year	2018-12-31	$0
Assets. Value of employer real property at end of year	2018-12-31	$0
Assets. Value of employer real property at beginning of year	2018-12-31	$0
Contributions received in cash from employer	2018-12-31	$6,591,820
Employer contributions (assets) at end of year	2018-12-31	$0
Employer contributions (assets) at beginning of year	2018-12-31	$0
Income. Dividends from preferred stock	2018-12-31	$115
Income. Dividends from common stock	2018-12-31	$86,194
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2018-12-31	$36,628,192
Asset. Corporate debt instrument preferred debt at end of year	2018-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2018-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2018-12-31	$17,258
Asset. Corporate debt instrument debt (other) at beginning of year	2018-12-31	$0
Contract administrator fees	2018-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2018-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2018-12-31	$4,200,093
Assets. Corporate common stocks other than exployer securities at beginning of year	2018-12-31	$6,580,332
Liabilities. Value of benefit claims payable at end of year	2018-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2018-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2018-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2018-12-31	$0
Did the plan have assets held for investment	2018-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2018-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2018-12-31	No
Aggregate proceeds on sale of assets	2018-12-31	$16,488,334
Aggregate carrying amount (costs) on sale of assets	2018-12-31	$16,662,130
Liabilities. Value of acquisition indebtedness at end of year	2018-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2018-12-31	$0
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2018-12-31	No
Opinion of an independent qualified public accountant for this plan	2018-12-31	Unqualified
Accountancy firm name	2018-12-31	R&A CPAS A PROFESSIONAL CORPORATION
Accountancy firm EIN	2018-12-31	860550947
2017 : TUCSON ELECTRIC POWER COMPANY 401K 2017 401k financial data
Unrealized appreciation/depreciation of real estate assets	2017-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2017-12-31	$645,298
Total unrealized appreciation/depreciation of assets	2017-12-31	$645,298
Total transfer of assets to this plan	2017-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2017-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2017-12-31	$0
Expenses. Interest paid	2017-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2017-12-31	$0
Total income from all sources (including contributions)	2017-12-31	$75,180,342
Total loss/gain on sale of assets	2017-12-31	$374,556
Total of all expenses incurred	2017-12-31	$32,476,786
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2017-12-31	$32,664,890
Expenses. Certain deemed distributions of participant loans	2017-12-31	$35,410
Value of total corrective distributions	2017-12-31	$0
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2017-12-31	$23,084,227
Value of total assets at end of year	2017-12-31	$321,815,178
Value of total assets at beginning of year	2017-12-31	$279,111,622
Total of administrative expenses incurred including professional, contract, advisory and management fees	2017-12-31	$-223,514
Total income from rents	2017-12-31	$0
Total interest from all sources	2017-12-31	$577,462
Total dividends received (eg from common stock, registered investment company shares)	2017-12-31	$13,597,135
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2017-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2017-12-31	$13,507,802
Assets. Real estate other than employer real property at end of year	2017-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2017-12-31	$0
Administrative expenses professional fees incurred	2017-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2017-12-31	$845
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2017-12-31	$10,413
Was this plan covered by a fidelity bond	2017-12-31	Yes
Value of fidelity bond cover	2017-12-31	$10,000,000
If this is an individual account plan, was there a blackout period	2017-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2017-12-31	No
Contributions received from participants	2017-12-31	$14,800,836
Participant contributions at end of year	2017-12-31	$8,591,051
Participant contributions at beginning of year	2017-12-31	$8,341,923
Participant contributions at end of year	2017-12-31	$0
Participant contributions at beginning of year	2017-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2017-12-31	$135
Assets. Other investments not covered elsewhere at beginning of year	2017-12-31	$-208
Income. Received or receivable in cash from other sources (including rollovers)	2017-12-31	$1,843,409
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2017-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2017-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2017-12-31	$0
Assets. Loans (other than to participants) at end of year	2017-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2017-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2017-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2017-12-31	$0
Other income not declared elsewhere	2017-12-31	$0
Administrative expenses (other) incurred	2017-12-31	$-281,509
Liabilities. Value of operating payables at end of year	2017-12-31	$0
Liabilities. Value of operating payables at beginning of year	2017-12-31	$0
Total non interest bearing cash at end of year	2017-12-31	$2,900
Total non interest bearing cash at beginning of year	2017-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2017-12-31	No
Income. Non cash contributions	2017-12-31	$0
Value of net income/loss	2017-12-31	$42,703,556
Value of net assets at end of year (total assets less liabilities)	2017-12-31	$321,815,178
Value of net assets at beginning of year (total assets less liabilities)	2017-12-31	$279,111,622
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2017-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2017-12-31	No
Were any leases to which the plan was party in default or uncollectible	2017-12-31	No
Assets. partnership/joint venture interests at end of year	2017-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2017-12-31	$0
Investment advisory and management fees	2017-12-31	$57,995
Value of interest in registered invesment companies (eg mutual funds) at end of year	2017-12-31	$278,858,652
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2017-12-31	$230,263,847
Value of interest in pooled separate accounts at end of year	2017-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2017-12-31	$0
Interest on participant loans	2017-12-31	$472,055
Income. Interest from loans (other than to participants)	2017-12-31	$0
Interest earned on other investments	2017-12-31	$0
Income. Interest from US Government securities	2017-12-31	$1,000
Income. Interest from corporate debt instruments	2017-12-31	$6,791
Value of interest in master investment trust accounts at end of year	2017-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2017-12-31	$0
Value of interest in common/collective trusts at end of year	2017-12-31	$10,545,306
Value of interest in common/collective trusts at beginning of year	2017-12-31	$9,523,832
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2017-12-31	$17,135,957
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2017-12-31	$22,919,350
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2017-12-31	$22,919,350
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2017-12-31	$97,616
Assets. Value of investments in 103.12 investment entities at end of year	2017-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2017-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2017-12-31	$0
Asset value of US Government securities at end of year	2017-12-31	$100,000
Asset value of US Government securities at beginning of year	2017-12-31	$100,078
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2017-12-31	$36,822,684
Net investment gain/loss from pooled separate accounts	2017-12-31	$0
Net investment gain or loss from common/collective trusts	2017-12-31	$78,980
Net gain/loss from 103.12 investment entities	2017-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2017-12-31	No
Was there a failure to transmit to the plan any participant contributions	2017-12-31	No
Has the plan failed to provide any benefit when due under the plan	2017-12-31	Yes
Assets. Invements in employer securities at end of year	2017-12-31	$0
Assets. Invements in employer securities at beginning of year	2017-12-31	$0
Assets. Value of employer real property at end of year	2017-12-31	$0
Assets. Value of employer real property at beginning of year	2017-12-31	$0
Contributions received in cash from employer	2017-12-31	$6,439,982
Employer contributions (assets) at end of year	2017-12-31	$0
Employer contributions (assets) at beginning of year	2017-12-31	$0
Income. Dividends from preferred stock	2017-12-31	$115
Income. Dividends from common stock	2017-12-31	$89,218
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2017-12-31	$32,664,890
Asset. Corporate debt instrument preferred debt at end of year	2017-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2017-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2017-12-31	$0
Asset. Corporate debt instrument debt (other) at beginning of year	2017-12-31	$136,934
Contract administrator fees	2017-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2017-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2017-12-31	$6,580,332
Assets. Corporate common stocks other than exployer securities at beginning of year	2017-12-31	$7,815,453
Liabilities. Value of benefit claims payable at end of year	2017-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2017-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2017-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2017-12-31	$0
Did the plan have assets held for investment	2017-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2017-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2017-12-31	No
Aggregate proceeds on sale of assets	2017-12-31	$7,337,752
Aggregate carrying amount (costs) on sale of assets	2017-12-31	$6,963,196
Liabilities. Value of acquisition indebtedness at end of year	2017-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2017-12-31	$0
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2017-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2017-12-31	Disclaimer
Accountancy firm name	2017-12-31	CLIFTONLARSONALLEN LLP
Accountancy firm EIN	2017-12-31	410746749
2016 : TUCSON ELECTRIC POWER COMPANY 401K 2016 401k financial data
Unrealized appreciation/depreciation of real estate assets	2016-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2016-12-31	$697,417
Total unrealized appreciation/depreciation of assets	2016-12-31	$697,417
Total transfer of assets to this plan	2016-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2016-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2016-12-31	$0
Expenses. Interest paid	2016-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2016-12-31	$0
Total income from all sources (including contributions)	2016-12-31	$36,420,368
Total loss/gain on sale of assets	2016-12-31	$341,353
Total of all expenses incurred	2016-12-31	$22,866,644
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2016-12-31	$23,025,935
Expenses. Certain deemed distributions of participant loans	2016-12-31	$33,671
Value of total corrective distributions	2016-12-31	$0
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2016-12-31	$20,450,154
Value of total assets at end of year	2016-12-31	$279,111,622
Value of total assets at beginning of year	2016-12-31	$265,557,898
Total of administrative expenses incurred including professional, contract, advisory and management fees	2016-12-31	$-192,962
Total income from rents	2016-12-31	$0
Total interest from all sources	2016-12-31	$461,257
Total dividends received (eg from common stock, registered investment company shares)	2016-12-31	$8,243,381
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2016-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2016-12-31	$8,114,815
Assets. Real estate other than employer real property at end of year	2016-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2016-12-31	$0
Administrative expenses professional fees incurred	2016-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2016-12-31	$10,413
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2016-12-31	$6,092
Was this plan covered by a fidelity bond	2016-12-31	Yes
Value of fidelity bond cover	2016-12-31	$10,000,000
If this is an individual account plan, was there a blackout period	2016-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2016-12-31	No
Contributions received from participants	2016-12-31	$13,883,172
Participant contributions at end of year	2016-12-31	$8,341,923
Participant contributions at beginning of year	2016-12-31	$8,683,727
Participant contributions at end of year	2016-12-31	$0
Participant contributions at beginning of year	2016-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2016-12-31	$-208
Assets. Other investments not covered elsewhere at beginning of year	2016-12-31	$1
Income. Received or receivable in cash from other sources (including rollovers)	2016-12-31	$513,943
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2016-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2016-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2016-12-31	$0
Assets. Loans (other than to participants) at end of year	2016-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2016-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2016-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2016-12-31	$0
Other income not declared elsewhere	2016-12-31	$0
Administrative expenses (other) incurred	2016-12-31	$-234,284
Liabilities. Value of operating payables at end of year	2016-12-31	$0
Liabilities. Value of operating payables at beginning of year	2016-12-31	$0
Total non interest bearing cash at end of year	2016-12-31	$0
Total non interest bearing cash at beginning of year	2016-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2016-12-31	No
Income. Non cash contributions	2016-12-31	$0
Value of net income/loss	2016-12-31	$13,553,724
Value of net assets at end of year (total assets less liabilities)	2016-12-31	$279,111,622
Value of net assets at beginning of year (total assets less liabilities)	2016-12-31	$265,557,898
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2016-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2016-12-31	No
Were any leases to which the plan was party in default or uncollectible	2016-12-31	No
Assets. partnership/joint venture interests at end of year	2016-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2016-12-31	$0
Investment advisory and management fees	2016-12-31	$41,322
Value of interest in registered invesment companies (eg mutual funds) at end of year	2016-12-31	$230,263,847
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2016-12-31	$219,454,765
Value of interest in pooled separate accounts at end of year	2016-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2016-12-31	$0
Interest on participant loans	2016-12-31	$441,285
Income. Interest from loans (other than to participants)	2016-12-31	$0
Interest earned on other investments	2016-12-31	$0
Income. Interest from US Government securities	2016-12-31	$405
Income. Interest from corporate debt instruments	2016-12-31	$6,713
Value of interest in master investment trust accounts at end of year	2016-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2016-12-31	$0
Value of interest in common/collective trusts at end of year	2016-12-31	$9,523,832
Value of interest in common/collective trusts at beginning of year	2016-12-31	$8,020,410
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2016-12-31	$22,919,350
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2016-12-31	$23,158,021
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2016-12-31	$23,158,021
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2016-12-31	$12,854
Assets. Value of investments in 103.12 investment entities at end of year	2016-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2016-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2016-12-31	$0
Asset value of US Government securities at end of year	2016-12-31	$100,078
Asset value of US Government securities at beginning of year	2016-12-31	$56,458
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2016-12-31	$6,156,981
Net investment gain/loss from pooled separate accounts	2016-12-31	$0
Net investment gain or loss from common/collective trusts	2016-12-31	$69,825
Net gain/loss from 103.12 investment entities	2016-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2016-12-31	No
Was there a failure to transmit to the plan any participant contributions	2016-12-31	No
Has the plan failed to provide any benefit when due under the plan	2016-12-31	No
Assets. Invements in employer securities at end of year	2016-12-31	$0
Assets. Invements in employer securities at beginning of year	2016-12-31	$0
Assets. Value of employer real property at end of year	2016-12-31	$0
Assets. Value of employer real property at beginning of year	2016-12-31	$0
Contributions received in cash from employer	2016-12-31	$6,053,039
Employer contributions (assets) at end of year	2016-12-31	$0
Employer contributions (assets) at beginning of year	2016-12-31	$0
Income. Dividends from preferred stock	2016-12-31	$160
Income. Dividends from common stock	2016-12-31	$128,406
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2016-12-31	$23,025,935
Asset. Corporate debt instrument preferred debt at end of year	2016-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2016-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2016-12-31	$136,934
Asset. Corporate debt instrument debt (other) at beginning of year	2016-12-31	$0
Contract administrator fees	2016-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2016-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2016-12-31	$7,815,453
Assets. Corporate common stocks other than exployer securities at beginning of year	2016-12-31	$6,178,424
Liabilities. Value of benefit claims payable at end of year	2016-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2016-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2016-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2016-12-31	$0
Did the plan have assets held for investment	2016-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2016-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2016-12-31	No
Aggregate proceeds on sale of assets	2016-12-31	$7,682,983
Aggregate carrying amount (costs) on sale of assets	2016-12-31	$7,341,630
Liabilities. Value of acquisition indebtedness at end of year	2016-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2016-12-31	$0
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2016-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2016-12-31	Disclaimer
Accountancy firm name	2016-12-31	CLIFTONLARSONALLEN LLP
Accountancy firm EIN	2016-12-31	410746749
2015 : TUCSON ELECTRIC POWER COMPANY 401K 2015 401k financial data
Unrealized appreciation/depreciation of real estate assets	2015-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2015-12-31	$-608,262
Total unrealized appreciation/depreciation of assets	2015-12-31	$-608,262
Total transfer of assets to this plan	2015-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2015-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2015-12-31	$0
Expenses. Interest paid	2015-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2015-12-31	$0
Total income from all sources (including contributions)	2015-12-31	$24,914,913
Total loss/gain on sale of assets	2015-12-31	$-152,679
Total of all expenses incurred	2015-12-31	$26,221,711
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2015-12-31	$26,405,934
Expenses. Certain deemed distributions of participant loans	2015-12-31	$2,035
Value of total corrective distributions	2015-12-31	$22,585
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2015-12-31	$20,250,395
Value of total assets at end of year	2015-12-31	$265,557,898
Value of total assets at beginning of year	2015-12-31	$266,864,696
Total of administrative expenses incurred including professional, contract, advisory and management fees	2015-12-31	$-208,843
Total income from rents	2015-12-31	$0
Total interest from all sources	2015-12-31	$451,845
Total dividends received (eg from common stock, registered investment company shares)	2015-12-31	$10,407,866
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2015-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2015-12-31	$10,282,420
Assets. Real estate other than employer real property at end of year	2015-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2015-12-31	$0
Administrative expenses professional fees incurred	2015-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2015-12-31	$6,092
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2015-12-31	$10,173
Was this plan covered by a fidelity bond	2015-12-31	Yes
Value of fidelity bond cover	2015-12-31	$10,000,000
If this is an individual account plan, was there a blackout period	2015-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2015-12-31	No
Contributions received from participants	2015-12-31	$13,210,718
Participant contributions at end of year	2015-12-31	$8,683,727
Participant contributions at beginning of year	2015-12-31	$8,348,391
Participant contributions at end of year	2015-12-31	$0
Participant contributions at beginning of year	2015-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2015-12-31	$1
Assets. Other investments not covered elsewhere at beginning of year	2015-12-31	$98
Income. Received or receivable in cash from other sources (including rollovers)	2015-12-31	$1,107,705
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2015-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2015-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2015-12-31	$0
Assets. Loans (other than to participants) at end of year	2015-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2015-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2015-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2015-12-31	$0
Other income not declared elsewhere	2015-12-31	$0
Administrative expenses (other) incurred	2015-12-31	$-250,563
Liabilities. Value of operating payables at end of year	2015-12-31	$0
Liabilities. Value of operating payables at beginning of year	2015-12-31	$0
Total non interest bearing cash at end of year	2015-12-31	$0
Total non interest bearing cash at beginning of year	2015-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2015-12-31	No
Income. Non cash contributions	2015-12-31	$0
Value of net income/loss	2015-12-31	$-1,306,798
Value of net assets at end of year (total assets less liabilities)	2015-12-31	$265,557,898
Value of net assets at beginning of year (total assets less liabilities)	2015-12-31	$266,864,696
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2015-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2015-12-31	No
Were any leases to which the plan was party in default or uncollectible	2015-12-31	No
Assets. partnership/joint venture interests at end of year	2015-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2015-12-31	$0
Investment advisory and management fees	2015-12-31	$41,720
Value of interest in registered invesment companies (eg mutual funds) at end of year	2015-12-31	$219,454,765
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2015-12-31	$222,296,747
Value of interest in pooled separate accounts at end of year	2015-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2015-12-31	$0
Interest on participant loans	2015-12-31	$448,585
Income. Interest from loans (other than to participants)	2015-12-31	$0
Interest earned on other investments	2015-12-31	$0
Income. Interest from US Government securities	2015-12-31	$0
Income. Interest from corporate debt instruments	2015-12-31	$0
Value of interest in master investment trust accounts at end of year	2015-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2015-12-31	$0
Value of interest in common/collective trusts at end of year	2015-12-31	$8,020,410
Value of interest in common/collective trusts at beginning of year	2015-12-31	$8,081,307
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2015-12-31	$23,158,021
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2015-12-31	$21,570,304
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2015-12-31	$21,570,304
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2015-12-31	$3,260
Assets. Value of investments in 103.12 investment entities at end of year	2015-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2015-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2015-12-31	$0
Asset value of US Government securities at end of year	2015-12-31	$56,458
Asset value of US Government securities at beginning of year	2015-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2015-12-31	$-5,453,009
Net investment gain/loss from pooled separate accounts	2015-12-31	$0
Net investment gain or loss from common/collective trusts	2015-12-31	$18,757
Net gain/loss from 103.12 investment entities	2015-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2015-12-31	No
Was there a failure to transmit to the plan any participant contributions	2015-12-31	No
Has the plan failed to provide any benefit when due under the plan	2015-12-31	No
Assets. Invements in employer securities at end of year	2015-12-31	$0
Assets. Invements in employer securities at beginning of year	2015-12-31	$0
Assets. Value of employer real property at end of year	2015-12-31	$0
Assets. Value of employer real property at beginning of year	2015-12-31	$0
Contributions received in cash from employer	2015-12-31	$5,931,972
Employer contributions (assets) at end of year	2015-12-31	$0
Employer contributions (assets) at beginning of year	2015-12-31	$0
Income. Dividends from preferred stock	2015-12-31	$149
Income. Dividends from common stock	2015-12-31	$125,297
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2015-12-31	$26,405,934
Asset. Corporate debt instrument preferred debt at end of year	2015-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2015-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2015-12-31	$0
Asset. Corporate debt instrument debt (other) at beginning of year	2015-12-31	$0
Contract administrator fees	2015-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2015-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2015-12-31	$6,178,424
Assets. Corporate common stocks other than exployer securities at beginning of year	2015-12-31	$6,557,676
Liabilities. Value of benefit claims payable at end of year	2015-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2015-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2015-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2015-12-31	$0
Did the plan have assets held for investment	2015-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2015-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2015-12-31	No
Aggregate proceeds on sale of assets	2015-12-31	$5,865,541
Aggregate carrying amount (costs) on sale of assets	2015-12-31	$6,018,220
Liabilities. Value of acquisition indebtedness at end of year	2015-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2015-12-31	$0
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2015-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2015-12-31	Disclaimer
Accountancy firm name	2015-12-31	CLIFTONLARSONALLEN LLP
Accountancy firm EIN	2015-12-31	410746749
2014 : TUCSON ELECTRIC POWER COMPANY 401K 2014 401k financial data
Unrealized appreciation/depreciation of real estate assets	2014-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2014-12-31	$0
Total unrealized appreciation/depreciation of assets	2014-12-31	$0
Total transfer of assets to this plan	2014-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2014-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2014-12-31	$0
Expenses. Interest paid	2014-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2014-12-31	$0
Total income from all sources (including contributions)	2014-12-31	$36,525,368
Total loss/gain on sale of assets	2014-12-31	$-291,555
Total of all expenses incurred	2014-12-31	$20,001,502
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2014-12-31	$20,205,003
Expenses. Certain deemed distributions of participant loans	2014-12-31	$2,689
Value of total corrective distributions	2014-12-31	$813
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2014-12-31	$19,795,595
Value of total assets at end of year	2014-12-31	$266,864,696
Value of total assets at beginning of year	2014-12-31	$250,340,830
Total of administrative expenses incurred including professional, contract, advisory and management fees	2014-12-31	$-207,003
Total income from rents	2014-12-31	$0
Total interest from all sources	2014-12-31	$434,376
Total dividends received (eg from common stock, registered investment company shares)	2014-12-31	$13,706,773
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2014-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2014-12-31	$13,414,534
Assets. Real estate other than employer real property at end of year	2014-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2014-12-31	$0
Administrative expenses professional fees incurred	2014-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2014-12-31	$10,173
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2014-12-31	$0
Was this plan covered by a fidelity bond	2014-12-31	Yes
Value of fidelity bond cover	2014-12-31	$10,000,000
If this is an individual account plan, was there a blackout period	2014-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2014-12-31	No
Contributions received from participants	2014-12-31	$13,081,033
Participant contributions at end of year	2014-12-31	$8,348,391
Participant contributions at beginning of year	2014-12-31	$7,703,392
Participant contributions at end of year	2014-12-31	$0
Participant contributions at beginning of year	2014-12-31	$351,701
Assets. Other investments not covered elsewhere at end of year	2014-12-31	$98
Assets. Other investments not covered elsewhere at beginning of year	2014-12-31	$93
Income. Received or receivable in cash from other sources (including rollovers)	2014-12-31	$1,127,798
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2014-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2014-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2014-12-31	$87,321
Assets. Loans (other than to participants) at end of year	2014-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2014-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2014-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2014-12-31	$0
Other income not declared elsewhere	2014-12-31	$0
Administrative expenses (other) incurred	2014-12-31	$-226,258
Liabilities. Value of operating payables at end of year	2014-12-31	$0
Liabilities. Value of operating payables at beginning of year	2014-12-31	$0
Total non interest bearing cash at end of year	2014-12-31	$0
Total non interest bearing cash at beginning of year	2014-12-31	$11,003
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2014-12-31	No
Income. Non cash contributions	2014-12-31	$0
Value of net income/loss	2014-12-31	$16,523,866
Value of net assets at end of year (total assets less liabilities)	2014-12-31	$266,864,696
Value of net assets at beginning of year (total assets less liabilities)	2014-12-31	$250,340,830
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2014-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2014-12-31	No
Were any leases to which the plan was party in default or uncollectible	2014-12-31	No
Assets. partnership/joint venture interests at end of year	2014-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2014-12-31	$0
Investment advisory and management fees	2014-12-31	$19,255
Value of interest in registered invesment companies (eg mutual funds) at end of year	2014-12-31	$222,296,747
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2014-12-31	$194,890,729
Value of interest in pooled separate accounts at end of year	2014-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2014-12-31	$0
Interest on participant loans	2014-12-31	$431,978
Income. Interest from loans (other than to participants)	2014-12-31	$0
Interest earned on other investments	2014-12-31	$0
Income. Interest from US Government securities	2014-12-31	$0
Income. Interest from corporate debt instruments	2014-12-31	$0
Value of interest in master investment trust accounts at end of year	2014-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2014-12-31	$0
Value of interest in common/collective trusts at end of year	2014-12-31	$8,081,307
Value of interest in common/collective trusts at beginning of year	2014-12-31	$7,262,068
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2014-12-31	$21,570,304
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2014-12-31	$21,344,615
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2014-12-31	$21,344,615
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2014-12-31	$2,398
Assets. Value of investments in 103.12 investment entities at end of year	2014-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2014-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2014-12-31	$0
Asset value of US Government securities at end of year	2014-12-31	$0
Asset value of US Government securities at beginning of year	2014-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2014-12-31	$2,799,202
Net investment gain/loss from pooled separate accounts	2014-12-31	$0
Net investment gain or loss from common/collective trusts	2014-12-31	$80,977
Net gain/loss from 103.12 investment entities	2014-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2014-12-31	No
Was there a failure to transmit to the plan any participant contributions	2014-12-31	No
Has the plan failed to provide any benefit when due under the plan	2014-12-31	No
Assets. Invements in employer securities at end of year	2014-12-31	$0
Assets. Invements in employer securities at beginning of year	2014-12-31	$12,337,761
Assets. Value of employer real property at end of year	2014-12-31	$0
Assets. Value of employer real property at beginning of year	2014-12-31	$0
Contributions received in cash from employer	2014-12-31	$5,586,764
Employer contributions (assets) at end of year	2014-12-31	$0
Employer contributions (assets) at beginning of year	2014-12-31	$147,252
Income. Dividends from preferred stock	2014-12-31	$238
Income. Dividends from common stock	2014-12-31	$292,001
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2014-12-31	$20,205,003
Asset. Corporate debt instrument preferred debt at end of year	2014-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2014-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2014-12-31	$0
Asset. Corporate debt instrument debt (other) at beginning of year	2014-12-31	$0
Contract administrator fees	2014-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2014-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2014-12-31	$6,557,676
Assets. Corporate common stocks other than exployer securities at beginning of year	2014-12-31	$6,204,895
Liabilities. Value of benefit claims payable at end of year	2014-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2014-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2014-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2014-12-31	$0
Did the plan have assets held for investment	2014-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2014-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2014-12-31	No
Aggregate proceeds on sale of assets	2014-12-31	$28,600,737
Aggregate carrying amount (costs) on sale of assets	2014-12-31	$28,892,292
Liabilities. Value of acquisition indebtedness at end of year	2014-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2014-12-31	$0
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2014-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2014-12-31	Disclaimer
Accountancy firm name	2014-12-31	CLIFTONLARSONALLEN LLP
Accountancy firm EIN	2014-12-31	410746749
2013 : TUCSON ELECTRIC POWER COMPANY 401K 2013 401k financial data
Unrealized appreciation/depreciation of real estate assets	2013-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2013-12-31	$3,511,532
Total unrealized appreciation/depreciation of assets	2013-12-31	$3,511,532
Total transfer of assets to this plan	2013-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2013-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2013-12-31	$0
Expenses. Interest paid	2013-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2013-12-31	$0
Total income from all sources (including contributions)	2013-12-31	$62,530,700
Total loss/gain on sale of assets	2013-12-31	$245,508
Total of all expenses incurred	2013-12-31	$25,762,698
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2013-12-31	$25,976,189
Expenses. Certain deemed distributions of participant loans	2013-12-31	$24,477
Value of total corrective distributions	2013-12-31	$739
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2013-12-31	$19,143,933
Value of total assets at end of year	2013-12-31	$250,340,830
Value of total assets at beginning of year	2013-12-31	$213,572,828
Total of administrative expenses incurred including professional, contract, advisory and management fees	2013-12-31	$-238,707
Total income from rents	2013-12-31	$0
Total interest from all sources	2013-12-31	$399,024
Total dividends received (eg from common stock, registered investment company shares)	2013-12-31	$6,946,593
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2013-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2013-12-31	$6,472,340
Assets. Real estate other than employer real property at end of year	2013-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2013-12-31	$0
Administrative expenses professional fees incurred	2013-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2013-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2013-12-31	$0
Was this plan covered by a fidelity bond	2013-12-31	Yes
Value of fidelity bond cover	2013-12-31	$5,000,000
If this is an individual account plan, was there a blackout period	2013-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2013-12-31	No
Contributions received from participants	2013-12-31	$12,664,827
Participant contributions at end of year	2013-12-31	$7,703,392
Participant contributions at beginning of year	2013-12-31	$7,130,584
Participant contributions at end of year	2013-12-31	$351,701
Participant contributions at beginning of year	2013-12-31	$302,546
Assets. Other investments not covered elsewhere at end of year	2013-12-31	$93
Assets. Other investments not covered elsewhere at beginning of year	2013-12-31	$90
Income. Received or receivable in cash from other sources (including rollovers)	2013-12-31	$895,813
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2013-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2013-12-31	$87,321
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2013-12-31	$0
Assets. Loans (other than to participants) at end of year	2013-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2013-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2013-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2013-12-31	$0
Other income not declared elsewhere	2013-12-31	$0
Administrative expenses (other) incurred	2013-12-31	$-244,446
Liabilities. Value of operating payables at end of year	2013-12-31	$0
Liabilities. Value of operating payables at beginning of year	2013-12-31	$0
Total non interest bearing cash at end of year	2013-12-31	$11,003
Total non interest bearing cash at beginning of year	2013-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2013-12-31	No
Income. Non cash contributions	2013-12-31	$0
Value of net income/loss	2013-12-31	$36,768,002
Value of net assets at end of year (total assets less liabilities)	2013-12-31	$250,340,830
Value of net assets at beginning of year (total assets less liabilities)	2013-12-31	$213,572,828
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2013-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2013-12-31	No
Were any leases to which the plan was party in default or uncollectible	2013-12-31	No
Assets. partnership/joint venture interests at end of year	2013-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2013-12-31	$0
Investment advisory and management fees	2013-12-31	$5,739
Value of interest in registered invesment companies (eg mutual funds) at end of year	2013-12-31	$194,890,729
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2013-12-31	$158,717,260
Value of interest in pooled separate accounts at end of year	2013-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2013-12-31	$0
Interest on participant loans	2013-12-31	$397,087
Income. Interest from loans (other than to participants)	2013-12-31	$0
Interest earned on other investments	2013-12-31	$0
Income. Interest from US Government securities	2013-12-31	$0
Income. Interest from corporate debt instruments	2013-12-31	$0
Value of interest in master investment trust accounts at end of year	2013-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2013-12-31	$0
Value of interest in common/collective trusts at end of year	2013-12-31	$7,262,068
Value of interest in common/collective trusts at beginning of year	2013-12-31	$8,251,595
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2013-12-31	$21,344,615
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2013-12-31	$24,595,827
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2013-12-31	$24,595,827
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2013-12-31	$1,937
Assets. Value of investments in 103.12 investment entities at end of year	2013-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2013-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2013-12-31	$0
Asset value of US Government securities at end of year	2013-12-31	$0
Asset value of US Government securities at beginning of year	2013-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2013-12-31	$32,338,326
Net investment gain/loss from pooled separate accounts	2013-12-31	$0
Net investment gain or loss from common/collective trusts	2013-12-31	$-54,216
Net gain/loss from 103.12 investment entities	2013-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2013-12-31	No
Was there a failure to transmit to the plan any participant contributions	2013-12-31	No
Has the plan failed to provide any benefit when due under the plan	2013-12-31	No
Assets. Invements in employer securities at end of year	2013-12-31	$12,337,761
Assets. Invements in employer securities at beginning of year	2013-12-31	$9,059,536
Assets. Value of employer real property at end of year	2013-12-31	$0
Assets. Value of employer real property at beginning of year	2013-12-31	$0
Contributions received in cash from employer	2013-12-31	$5,583,293
Employer contributions (assets) at end of year	2013-12-31	$147,252
Employer contributions (assets) at beginning of year	2013-12-31	$124,056
Income. Dividends from preferred stock	2013-12-31	$0
Income. Dividends from common stock	2013-12-31	$474,253
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2013-12-31	$25,976,189
Asset. Corporate debt instrument preferred debt at end of year	2013-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2013-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2013-12-31	$0
Asset. Corporate debt instrument debt (other) at beginning of year	2013-12-31	$0
Contract administrator fees	2013-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2013-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2013-12-31	$6,204,895
Assets. Corporate common stocks other than exployer securities at beginning of year	2013-12-31	$5,391,334
Liabilities. Value of benefit claims payable at end of year	2013-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2013-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2013-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2013-12-31	$0
Did the plan have assets held for investment	2013-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2013-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2013-12-31	No
Aggregate proceeds on sale of assets	2013-12-31	$18,821,845
Aggregate carrying amount (costs) on sale of assets	2013-12-31	$18,576,337
Liabilities. Value of acquisition indebtedness at end of year	2013-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2013-12-31	$0
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2013-12-31	No
Opinion of an independent qualified public accountant for this plan	2013-12-31	Unqualified
Accountancy firm name	2013-12-31	PRICEWATERHOUSE COOPERS LLP
Accountancy firm EIN	2013-12-31	134008324
2012 : TUCSON ELECTRIC POWER COMPANY 401K 2012 401k financial data
Unrealized appreciation/depreciation of other (non real estate) assets	2012-12-31	$1,112,645
Total unrealized appreciation/depreciation of assets	2012-12-31	$1,112,645
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2012-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2012-12-31	$0
Total income from all sources (including contributions)	2012-12-31	$41,625,836
Total loss/gain on sale of assets	2012-12-31	$118,021
Total of all expenses incurred	2012-12-31	$18,763,054
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2012-12-31	$18,725,824
Expenses. Certain deemed distributions of participant loans	2012-12-31	$15,230
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2012-12-31	$18,757,107
Value of total assets at end of year	2012-12-31	$213,572,828
Value of total assets at beginning of year	2012-12-31	$190,710,046
Total of administrative expenses incurred including professional, contract, advisory and management fees	2012-12-31	$22,000
Total interest from all sources	2012-12-31	$377,055
Total dividends received (eg from common stock, registered investment company shares)	2012-12-31	$5,259,764
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2012-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2012-12-31	$4,798,872
Was this plan covered by a fidelity bond	2012-12-31	Yes
Value of fidelity bond cover	2012-12-31	$5,000,000
If this is an individual account plan, was there a blackout period	2012-12-31	No
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2012-12-31	$0
Were there any nonexempt tranactions with any party-in-interest	2012-12-31	No
Contributions received from participants	2012-12-31	$12,286,611
Participant contributions at end of year	2012-12-31	$7,130,584
Participant contributions at beginning of year	2012-12-31	$6,459,816
Participant contributions at end of year	2012-12-31	$302,546
Participant contributions at beginning of year	2012-12-31	$227,493
Assets. Other investments not covered elsewhere at end of year	2012-12-31	$90
Assets. Other investments not covered elsewhere at beginning of year	2012-12-31	$327
Income. Received or receivable in cash from other sources (including rollovers)	2012-12-31	$1,101,401
Administrative expenses (other) incurred	2012-12-31	$22,000
Total non interest bearing cash at end of year	2012-12-31	$0
Total non interest bearing cash at beginning of year	2012-12-31	$24,588
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2012-12-31	No
Value of net income/loss	2012-12-31	$22,862,782
Value of net assets at end of year (total assets less liabilities)	2012-12-31	$213,572,828
Value of net assets at beginning of year (total assets less liabilities)	2012-12-31	$190,710,046
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2012-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2012-12-31	No
Were any leases to which the plan was party in default or uncollectible	2012-12-31	No
Value of interest in registered invesment companies (eg mutual funds) at end of year	2012-12-31	$158,717,260
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2012-12-31	$142,816,764
Interest on participant loans	2012-12-31	$373,945
Value of interest in common/collective trusts at end of year	2012-12-31	$8,251,595
Value of interest in common/collective trusts at beginning of year	2012-12-31	$9,664,456
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2012-12-31	$24,595,827
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2012-12-31	$19,378,455
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2012-12-31	$19,378,455
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2012-12-31	$3,110
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2012-12-31	$15,892,645
Net investment gain or loss from common/collective trusts	2012-12-31	$108,599
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2012-12-31	No
Was there a failure to transmit to the plan any participant contributions	2012-12-31	No
Has the plan failed to provide any benefit when due under the plan	2012-12-31	No
Assets. Invements in employer securities at end of year	2012-12-31	$9,059,536
Assets. Invements in employer securities at beginning of year	2012-12-31	$8,316,771
Contributions received in cash from employer	2012-12-31	$5,369,095
Employer contributions (assets) at end of year	2012-12-31	$124,056
Employer contributions (assets) at beginning of year	2012-12-31	$92,467
Income. Dividends from preferred stock	2012-12-31	$100
Income. Dividends from common stock	2012-12-31	$460,792
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2012-12-31	$18,725,824
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2012-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2012-12-31	$5,391,334
Assets. Corporate common stocks other than exployer securities at beginning of year	2012-12-31	$3,728,909
Did the plan have assets held for investment	2012-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2012-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2012-12-31	No
Aggregate proceeds on sale of assets	2012-12-31	$17,168,848
Aggregate carrying amount (costs) on sale of assets	2012-12-31	$17,050,827
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2012-12-31	No
Opinion of an independent qualified public accountant for this plan	2012-12-31	Unqualified
Accountancy firm name	2012-12-31	PRICEWATERHOUSE COOPERS LLP
Accountancy firm EIN	2012-12-31	134008324
2011 : TUCSON ELECTRIC POWER COMPANY 401K 2011 401k financial data
Unrealized appreciation/depreciation of other (non real estate) assets	2011-12-31	$-290,407
Total unrealized appreciation/depreciation of assets	2011-12-31	$-290,407
Total income from all sources (including contributions)	2011-12-31	$14,751,432
Total loss/gain on sale of assets	2011-12-31	$-107,000
Total of all expenses incurred	2011-12-31	$16,506,280
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2011-12-31	$16,455,193
Value of total corrective distributions	2011-12-31	$34,816
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2011-12-31	$17,696,145
Value of total assets at end of year	2011-12-31	$190,710,046
Value of total assets at beginning of year	2011-12-31	$192,464,894
Total of administrative expenses incurred including professional, contract, advisory and management fees	2011-12-31	$16,271
Total interest from all sources	2011-12-31	$374,632
Total dividends received (eg from common stock, registered investment company shares)	2011-12-31	$5,168,548
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2011-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2011-12-31	$4,749,805
Was this plan covered by a fidelity bond	2011-12-31	Yes
Value of fidelity bond cover	2011-12-31	$5,000,000
If this is an individual account plan, was there a blackout period	2011-12-31	No
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2011-12-31	$0
Were there any nonexempt tranactions with any party-in-interest	2011-12-31	No
Contributions received from participants	2011-12-31	$11,959,981
Participant contributions at end of year	2011-12-31	$6,459,816
Participant contributions at beginning of year	2011-12-31	$6,184,382
Participant contributions at end of year	2011-12-31	$227,493
Participant contributions at beginning of year	2011-12-31	$187,761
Assets. Other investments not covered elsewhere at end of year	2011-12-31	$327
Assets. Other investments not covered elsewhere at beginning of year	2011-12-31	$0
Income. Received or receivable in cash from other sources (including rollovers)	2011-12-31	$461,691
Administrative expenses (other) incurred	2011-12-31	$16,271
Total non interest bearing cash at end of year	2011-12-31	$24,588
Total non interest bearing cash at beginning of year	2011-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2011-12-31	No
Value of net income/loss	2011-12-31	$-1,754,848
Value of net assets at end of year (total assets less liabilities)	2011-12-31	$190,710,046
Value of net assets at beginning of year (total assets less liabilities)	2011-12-31	$192,464,894
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2011-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2011-12-31	No
Were any leases to which the plan was party in default or uncollectible	2011-12-31	No
Value of interest in registered invesment companies (eg mutual funds) at end of year	2011-12-31	$142,816,764
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2011-12-31	$146,504,576
Interest on participant loans	2011-12-31	$370,994
Value of interest in common/collective trusts at end of year	2011-12-31	$9,664,456
Value of interest in common/collective trusts at beginning of year	2011-12-31	$8,441,610
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2011-12-31	$19,378,455
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2011-12-31	$19,481,663
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2011-12-31	$19,481,663
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2011-12-31	$3,638
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2011-12-31	$-8,377,155
Net investment gain or loss from common/collective trusts	2011-12-31	$286,669
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2011-12-31	No
Was there a failure to transmit to the plan any participant contributions	2011-12-31	No
Has the plan failed to provide any benefit when due under the plan	2011-12-31	No
Assets. Invements in employer securities at end of year	2011-12-31	$8,316,771
Assets. Invements in employer securities at beginning of year	2011-12-31	$7,105,884
Contributions received in cash from employer	2011-12-31	$5,274,473
Employer contributions (assets) at end of year	2011-12-31	$92,467
Employer contributions (assets) at beginning of year	2011-12-31	$77,186
Income. Dividends from common stock	2011-12-31	$418,743
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2011-12-31	$16,455,193
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2011-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2011-12-31	$3,728,909
Assets. Corporate common stocks other than exployer securities at beginning of year	2011-12-31	$4,481,832
Did the plan have assets held for investment	2011-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2011-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2011-12-31	No
Aggregate proceeds on sale of assets	2011-12-31	$17,344,104
Aggregate carrying amount (costs) on sale of assets	2011-12-31	$17,451,104
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2011-12-31	No
Opinion of an independent qualified public accountant for this plan	2011-12-31	Unqualified
Accountancy firm name	2011-12-31	PRICEWATERHOUSE COOPERS LLP
Accountancy firm EIN	2011-12-31	134008324
2010 : TUCSON ELECTRIC POWER COMPANY 401K 2010 401k financial data
Unrealized appreciation/depreciation of other (non real estate) assets	2010-12-31	$1,204,494
Total unrealized appreciation/depreciation of assets	2010-12-31	$1,204,494
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2010-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2010-12-31	$4
Total income from all sources (including contributions)	2010-12-31	$37,749,988
Total loss/gain on sale of assets	2010-12-31	$198,788
Total of all expenses incurred	2010-12-31	$11,873,554
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2010-12-31	$11,806,085
Expenses. Certain deemed distributions of participant loans	2010-12-31	$10,866
Value of total corrective distributions	2010-12-31	$42,348
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2010-12-31	$16,996,517
Value of total assets at end of year	2010-12-31	$192,464,894
Value of total assets at beginning of year	2010-12-31	$166,588,464
Total of administrative expenses incurred including professional, contract, advisory and management fees	2010-12-31	$14,255
Total interest from all sources	2010-12-31	$363,465
Total dividends received (eg from common stock, registered investment company shares)	2010-12-31	$2,848,089
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2010-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2010-12-31	$2,497,588
Was this plan covered by a fidelity bond	2010-12-31	Yes
Value of fidelity bond cover	2010-12-31	$5,000,000
If this is an individual account plan, was there a blackout period	2010-12-31	No
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2010-12-31	$0
Were there any nonexempt tranactions with any party-in-interest	2010-12-31	No
Contributions received from participants	2010-12-31	$11,278,544
Participant contributions at end of year	2010-12-31	$6,184,382
Participant contributions at beginning of year	2010-12-31	$5,260,362
Participant contributions at end of year	2010-12-31	$187,761
Participant contributions at beginning of year	2010-12-31	$141,448
Income. Received or receivable in cash from other sources (including rollovers)	2010-12-31	$714,672
Value of other receiveables (less allowance for doubtful accounts) at end of year	2010-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2010-12-31	$600,765
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2010-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2010-12-31	$4
Administrative expenses (other) incurred	2010-12-31	$14,255
Total non interest bearing cash at end of year	2010-12-31	$0
Total non interest bearing cash at beginning of year	2010-12-31	$10,751
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2010-12-31	No
Value of net income/loss	2010-12-31	$25,876,434
Value of net assets at end of year (total assets less liabilities)	2010-12-31	$192,464,894
Value of net assets at beginning of year (total assets less liabilities)	2010-12-31	$166,588,460
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2010-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2010-12-31	No
Were any leases to which the plan was party in default or uncollectible	2010-12-31	No
Value of interest in registered invesment companies (eg mutual funds) at end of year	2010-12-31	$146,504,576
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2010-12-31	$124,124,815
Interest on participant loans	2010-12-31	$357,334
Income. Interest from corporate debt instruments	2010-12-31	$195
Value of interest in common/collective trusts at end of year	2010-12-31	$8,441,610
Value of interest in common/collective trusts at beginning of year	2010-12-31	$8,287,945
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2010-12-31	$19,481,663
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2010-12-31	$20,069,205
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2010-12-31	$20,069,205
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2010-12-31	$5,936
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2010-12-31	$15,801,525
Net investment gain or loss from common/collective trusts	2010-12-31	$337,110
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2010-12-31	No
Was there a failure to transmit to the plan any participant contributions	2010-12-31	No
Has the plan failed to provide any benefit when due under the plan	2010-12-31	No
Assets. Invements in employer securities at end of year	2010-12-31	$7,105,884
Assets. Invements in employer securities at beginning of year	2010-12-31	$5,675,575
Contributions received in cash from employer	2010-12-31	$5,003,301
Employer contributions (assets) at end of year	2010-12-31	$77,186
Employer contributions (assets) at beginning of year	2010-12-31	$59,182
Income. Dividends from common stock	2010-12-31	$350,501
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2010-12-31	$11,806,085
Asset. Corporate debt instrument debt (other) at end of year	2010-12-31	$0
Asset. Corporate debt instrument debt (other) at beginning of year	2010-12-31	$8,900
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2010-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2010-12-31	$4,481,832
Assets. Corporate common stocks other than exployer securities at beginning of year	2010-12-31	$2,349,516
Did the plan have assets held for investment	2010-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2010-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2010-12-31	No
Aggregate proceeds on sale of assets	2010-12-31	$12,812,593
Aggregate carrying amount (costs) on sale of assets	2010-12-31	$12,613,805
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2010-12-31	No
Opinion of an independent qualified public accountant for this plan	2010-12-31	Unqualified
Accountancy firm name	2010-12-31	PRICEWATERHOUSECOOPERS LLP
Accountancy firm EIN	2010-12-31	134008324
2009 : TUCSON ELECTRIC POWER COMPANY 401K 2009 401k financial data
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2009-12-31	$0

Form 5500 Responses for TUCSON ELECTRIC POWER COMPANY 401K

2022: TUCSON ELECTRIC POWER COMPANY 401K 2022 form 5500 responses
2022-01-01	Type of plan entity	Single employer plan
2022-01-01	Submission has been amended	Yes
2022-01-01	This submission is the final filing	No
2022-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2022-01-01	Plan is a collectively bargained plan	Yes
2022-01-01	Plan funding arrangement – Trust	Yes
2022-01-01	Plan benefit arrangement - Trust	Yes
2021: TUCSON ELECTRIC POWER COMPANY 401K 2021 form 5500 responses
2021-01-01	Type of plan entity	Single employer plan
2021-01-01	This submission is the final filing	No
2021-01-01	Plan is a collectively bargained plan	Yes
2021-01-01	Plan funding arrangement – Trust	Yes
2021-01-01	Plan benefit arrangement - Trust	Yes
2020: TUCSON ELECTRIC POWER COMPANY 401K 2020 form 5500 responses
2020-01-01	Type of plan entity	Single employer plan
2020-01-01	This submission is the final filing	No
2020-01-01	Plan is a collectively bargained plan	Yes
2020-01-01	Plan funding arrangement – Trust	Yes
2020-01-01	Plan benefit arrangement - Trust	Yes
2019: TUCSON ELECTRIC POWER COMPANY 401K 2019 form 5500 responses
2019-01-01	Type of plan entity	Single employer plan
2019-01-01	Submission has been amended	No
2019-01-01	This submission is the final filing	No
2019-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2019-01-01	Plan is a collectively bargained plan	Yes
2019-01-01	Plan funding arrangement – Trust	Yes
2019-01-01	Plan benefit arrangement - Trust	Yes
2018: TUCSON ELECTRIC POWER COMPANY 401K 2018 form 5500 responses
2018-01-01	Type of plan entity	Single employer plan
2018-01-01	Submission has been amended	No
2018-01-01	This submission is the final filing	No
2018-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2018-01-01	Plan is a collectively bargained plan	Yes
2018-01-01	Plan funding arrangement – Trust	Yes
2018-01-01	Plan benefit arrangement - Trust	Yes
2017: TUCSON ELECTRIC POWER COMPANY 401K 2017 form 5500 responses
2017-01-01	Type of plan entity	Single employer plan
2017-01-01	Submission has been amended	No
2017-01-01	This submission is the final filing	No
2017-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2017-01-01	Plan is a collectively bargained plan	Yes
2017-01-01	Plan funding arrangement – Trust	Yes
2017-01-01	Plan benefit arrangement - Trust	Yes
2016: TUCSON ELECTRIC POWER COMPANY 401K 2016 form 5500 responses
2016-01-01	Type of plan entity	Single employer plan
2016-01-01	Submission has been amended	No
2016-01-01	This submission is the final filing	No
2016-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2016-01-01	Plan is a collectively bargained plan	Yes
2016-01-01	Plan funding arrangement – Trust	Yes
2016-01-01	Plan benefit arrangement - Trust	Yes
2015: TUCSON ELECTRIC POWER COMPANY 401K 2015 form 5500 responses
2015-01-01	Type of plan entity	Single employer plan
2015-01-01	Submission has been amended	No
2015-01-01	This submission is the final filing	No
2015-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2015-01-01	Plan is a collectively bargained plan	Yes
2015-01-01	Plan funding arrangement – Trust	Yes
2015-01-01	Plan benefit arrangement - Trust	Yes
2014: TUCSON ELECTRIC POWER COMPANY 401K 2014 form 5500 responses
2014-01-01	Type of plan entity	Single employer plan
2014-01-01	Submission has been amended	No
2014-01-01	This submission is the final filing	No
2014-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2014-01-01	Plan is a collectively bargained plan	Yes
2014-01-01	Plan funding arrangement – Trust	Yes
2014-01-01	Plan benefit arrangement - Trust	Yes
2013: TUCSON ELECTRIC POWER COMPANY 401K 2013 form 5500 responses
2013-01-01	Type of plan entity	Single employer plan
2013-01-01	Submission has been amended	No
2013-01-01	This submission is the final filing	No
2013-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2013-01-01	Plan is a collectively bargained plan	Yes
2013-01-01	Plan funding arrangement – Trust	Yes
2013-01-01	Plan benefit arrangement - Trust	Yes
2012: TUCSON ELECTRIC POWER COMPANY 401K 2012 form 5500 responses
2012-01-01	Type of plan entity	Single employer plan
2012-01-01	Submission has been amended	No
2012-01-01	This submission is the final filing	No
2012-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2012-01-01	Plan is a collectively bargained plan	Yes
2012-01-01	Plan funding arrangement – Trust	Yes
2012-01-01	Plan benefit arrangement - Trust	Yes
2011: TUCSON ELECTRIC POWER COMPANY 401K 2011 form 5500 responses
2011-01-01	Type of plan entity	Single employer plan
2011-01-01	Submission has been amended	No
2011-01-01	This submission is the final filing	No
2011-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2011-01-01	Plan is a collectively bargained plan	Yes
2011-01-01	Plan funding arrangement – Trust	Yes
2011-01-01	Plan benefit arrangement - Trust	Yes
2009: TUCSON ELECTRIC POWER COMPANY 401K 2009 form 5500 responses
2009-01-01	Type of plan entity	Single employer plan
2009-01-01	Submission has been amended	No
2009-01-01	This submission is the final filing	No
2009-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2009-01-01	Plan is a collectively bargained plan	Yes
2009-01-01	Plan funding arrangement – Trust	Yes
2009-01-01	Plan benefit arrangement - Trust	Yes

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Company Name:	TUCSON ELECTRIC POWER COMPANY
Employer identification number (EIN):	860062700
NAIC Classification:	221100