401k Plan data: THE UIL HOLDINGS CORPORATION 401K EMPLOYEE STOCK OWNERSHIP PLAN plan

THE UIL HOLDINGS CORPORATION 401K EMPLOYEE STOCK OWNERSHIP PLAN 401k Plan overview

Plan Name	THE UIL HOLDINGS CORPORATION 401K EMPLOYEE STOCK OWNERSHIP PLAN
Plan identification number	002

THE UIL HOLDINGS CORPORATION 401K EMPLOYEE STOCK OWNERSHIP PLAN Benefits

401k Plan Type

Defined Contribution Pension

Plan Features/Benefits

Profit-sharing
ERISA section 404(c) Plan - This plan, or any part of it is intended to meet the conditions of 29 CFR 2550.404c-1.
Partial participant-directed account plan - Participants have the opportunity to direct the investment of a portion of the assets allocated to their individual accounts, regardless of whether 29 CFR 2550.404c-1 is intended to be met.
Stock bonus
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.
Leveraged ESOP - An ESOP that acquires employer securities with borrowed money or other debt-financing techniques. A completed Schedule E must be attached to a Form 5500 filed for an ESOP.
Total or partial participant-directed account plan - plan uses default investment account for participants who fail to direct assets in their account.
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

THE UNITED ILLUMINATING COMPANY has sponsored the creation of one or more 401k plans.

Company Name: THE UNITED ILLUMINATING COMPANY

Employer identification number (EIN): 060571640

NAIC Classification: 221100

Form 5500 Filing Information

Submission information for form 5500 for 401k plan THE UIL HOLDINGS CORPORATION 401K EMPLOYEE STOCK OWNERSHIP PLAN

Plan id# Filing Submission Date Name of Administrator Date Administrator Signed Name of Company Sponsor Date Sponsor Signed
002 2016-01-01 ANGEL A. BRUNO ANGEL A. BRUNO 2017-10-16
002 2015-01-01 ANGEL BRUNO STEVEN P. FAVUZZA 2016-10-11
002 2014-01-01 DIANE PIVIROTTO STEVEN FAVUZZA 2015-10-01
002 2013-01-01 STEVEN FAVUZZA DIANE PIVIROTTO 2014-10-14
002 2012-01-01 STEVEN P. FAVUZZA DIANE PIVIROTTO 2013-10-10
002 2011-01-01 STEVEN P. FAVUZZA DIANE PIVIROTTO 2012-10-12
002 2010-01-01 STEVEN P. FAVUZZA DIANE PIVIROTTO 2011-10-26
002 2009-01-01 STEVEN P. FAVUZZA

Plan id#	Filing Submission Date	Name of Administrator	Name of Company Sponsor	Date Sponsor Signed
002	2016-01-01	ANGEL A. BRUNO	ANGEL A. BRUNO	2017-10-16
002	2015-01-01	ANGEL BRUNO	STEVEN P. FAVUZZA	2016-10-11
002	2014-01-01	DIANE PIVIROTTO	STEVEN FAVUZZA	2015-10-01
002	2013-01-01	STEVEN FAVUZZA	DIANE PIVIROTTO	2014-10-14
002	2012-01-01	STEVEN P. FAVUZZA	DIANE PIVIROTTO	2013-10-10
002	2011-01-01	STEVEN P. FAVUZZA	DIANE PIVIROTTO	2012-10-12
002	2010-01-01	STEVEN P. FAVUZZA	DIANE PIVIROTTO	2011-10-26
002	2009-01-01	STEVEN P. FAVUZZA

Plan Statistics for THE UIL HOLDINGS CORPORATION 401K EMPLOYEE STOCK OWNERSHIP PLAN

401k plan membership statisitcs for THE UIL HOLDINGS CORPORATION 401K EMPLOYEE STOCK OWNERSHIP PLAN

Measure Date Value
2016: THE UIL HOLDINGS CORPORATION 401K EMPLOYEE STOCK OWNERSHIP PLAN 2016 401k membership
Total participants, beginning-of-year 2016-01-01 1,967
Total number of active participants reported on line 7a of the Form 5500 2016-01-01 1,580
Number of retired or separated participants receiving benefits 2016-01-01 48
Number of other retired or separated participants entitled to future benefits 2016-01-01 345
Total of all active and inactive participants 2016-01-01 1,973
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2016-01-01 5
Total participants 2016-01-01 1,978
Number of participants with account balances 2016-01-01 1,949
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2016-01-01 21
2015: THE UIL HOLDINGS CORPORATION 401K EMPLOYEE STOCK OWNERSHIP PLAN 2015 401k membership
Total participants, beginning-of-year 2015-01-01 1,940
Total number of active participants reported on line 7a of the Form 5500 2015-01-01 1,573
Number of retired or separated participants receiving benefits 2015-01-01 42
Number of other retired or separated participants entitled to future benefits 2015-01-01 347
Total of all active and inactive participants 2015-01-01 1,962
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2015-01-01 5
Total participants 2015-01-01 1,967
Number of participants with account balances 2015-01-01 1,936
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2015-01-01 37
2014: THE UIL HOLDINGS CORPORATION 401K EMPLOYEE STOCK OWNERSHIP PLAN 2014 401k membership
Total participants, beginning-of-year 2014-01-01 1,970
Total number of active participants reported on line 7a of the Form 5500 2014-01-01 1,560
Number of retired or separated participants receiving benefits 2014-01-01 44
Number of other retired or separated participants entitled to future benefits 2014-01-01 330
Total of all active and inactive participants 2014-01-01 1,934
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2014-01-01 6
Total participants 2014-01-01 1,940
Number of participants with account balances 2014-01-01 1,901
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2014-01-01 33
2013: THE UIL HOLDINGS CORPORATION 401K EMPLOYEE STOCK OWNERSHIP PLAN 2013 401k membership
Total participants, beginning-of-year 2013-01-01 1,312
Total number of active participants reported on line 7a of the Form 5500 2013-01-01 1,595
Number of retired or separated participants receiving benefits 2013-01-01 38
Number of other retired or separated participants entitled to future benefits 2013-01-01 331
Total of all active and inactive participants 2013-01-01 1,964
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2013-01-01 6
Total participants 2013-01-01 1,970
Number of participants with account balances 2013-01-01 1,905
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2013-01-01 20
2012: THE UIL HOLDINGS CORPORATION 401K EMPLOYEE STOCK OWNERSHIP PLAN 2012 401k membership
Total participants, beginning-of-year 2012-01-01 1,295
Total number of active participants reported on line 7a of the Form 5500 2012-01-01 1,103
Number of retired or separated participants receiving benefits 2012-01-01 5
Number of other retired or separated participants entitled to future benefits 2012-01-01 204
Total of all active and inactive participants 2012-01-01 1,312
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2012-01-01 0
Total participants 2012-01-01 1,312
Number of participants with account balances 2012-01-01 1,310
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2012-01-01 28
2011: THE UIL HOLDINGS CORPORATION 401K EMPLOYEE STOCK OWNERSHIP PLAN 2011 401k membership
Total participants, beginning-of-year 2011-01-01 1,316
Total number of active participants reported on line 7a of the Form 5500 2011-01-01 1,104
Number of retired or separated participants receiving benefits 2011-01-01 1
Number of other retired or separated participants entitled to future benefits 2011-01-01 189
Total of all active and inactive participants 2011-01-01 1,294
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2011-01-01 1
Total participants 2011-01-01 1,295
Number of participants with account balances 2011-01-01 1,293
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2011-01-01 20
2010: THE UIL HOLDINGS CORPORATION 401K EMPLOYEE STOCK OWNERSHIP PLAN 2010 401k membership
Total participants, beginning-of-year 2010-01-01 1,277
Total number of active participants reported on line 7a of the Form 5500 2010-01-01 1,096
Number of retired or separated participants receiving benefits 2010-01-01 0
Number of other retired or separated participants entitled to future benefits 2010-01-01 217
Total of all active and inactive participants 2010-01-01 1,313
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2010-01-01 3
Total participants 2010-01-01 1,316
Number of participants with account balances 2010-01-01 1,306
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2010-01-01 18
2009: THE UIL HOLDINGS CORPORATION 401K EMPLOYEE STOCK OWNERSHIP PLAN 2009 401k membership
Total participants, beginning-of-year 2009-01-01 1,292
Total number of active participants reported on line 7a of the Form 5500 2009-01-01 1,052
Number of retired or separated participants receiving benefits 2009-01-01 0
Number of other retired or separated participants entitled to future benefits 2009-01-01 222
Total of all active and inactive participants 2009-01-01 1,274
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2009-01-01 3
Total participants 2009-01-01 1,277
Number of participants with account balances 2009-01-01 1,277
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2009-01-01 18

Measure	Date	Value
2016: THE UIL HOLDINGS CORPORATION 401K EMPLOYEE STOCK OWNERSHIP PLAN 2016 401k membership
Total participants, beginning-of-year	2016-01-01	1,967
Total number of active participants reported on line 7a of the Form 5500	2016-01-01	1,580
Number of retired or separated participants receiving benefits	2016-01-01	48
Number of other retired or separated participants entitled to future benefits	2016-01-01	345
Total of all active and inactive participants	2016-01-01	1,973
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2016-01-01	5
Total participants	2016-01-01	1,978
Number of participants with account balances	2016-01-01	1,949
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2016-01-01	21
2015: THE UIL HOLDINGS CORPORATION 401K EMPLOYEE STOCK OWNERSHIP PLAN 2015 401k membership
Total participants, beginning-of-year	2015-01-01	1,940
Total number of active participants reported on line 7a of the Form 5500	2015-01-01	1,573
Number of retired or separated participants receiving benefits	2015-01-01	42
Number of other retired or separated participants entitled to future benefits	2015-01-01	347
Total of all active and inactive participants	2015-01-01	1,962
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2015-01-01	5
Total participants	2015-01-01	1,967
Number of participants with account balances	2015-01-01	1,936
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2015-01-01	37
2014: THE UIL HOLDINGS CORPORATION 401K EMPLOYEE STOCK OWNERSHIP PLAN 2014 401k membership
Total participants, beginning-of-year	2014-01-01	1,970
Total number of active participants reported on line 7a of the Form 5500	2014-01-01	1,560
Number of retired or separated participants receiving benefits	2014-01-01	44
Number of other retired or separated participants entitled to future benefits	2014-01-01	330
Total of all active and inactive participants	2014-01-01	1,934
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2014-01-01	6
Total participants	2014-01-01	1,940
Number of participants with account balances	2014-01-01	1,901
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2014-01-01	33
2013: THE UIL HOLDINGS CORPORATION 401K EMPLOYEE STOCK OWNERSHIP PLAN 2013 401k membership
Total participants, beginning-of-year	2013-01-01	1,312
Total number of active participants reported on line 7a of the Form 5500	2013-01-01	1,595
Number of retired or separated participants receiving benefits	2013-01-01	38
Number of other retired or separated participants entitled to future benefits	2013-01-01	331
Total of all active and inactive participants	2013-01-01	1,964
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2013-01-01	6
Total participants	2013-01-01	1,970
Number of participants with account balances	2013-01-01	1,905
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2013-01-01	20
2012: THE UIL HOLDINGS CORPORATION 401K EMPLOYEE STOCK OWNERSHIP PLAN 2012 401k membership
Total participants, beginning-of-year	2012-01-01	1,295
Total number of active participants reported on line 7a of the Form 5500	2012-01-01	1,103
Number of retired or separated participants receiving benefits	2012-01-01	5
Number of other retired or separated participants entitled to future benefits	2012-01-01	204
Total of all active and inactive participants	2012-01-01	1,312
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2012-01-01	0
Total participants	2012-01-01	1,312
Number of participants with account balances	2012-01-01	1,310
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2012-01-01	28
2011: THE UIL HOLDINGS CORPORATION 401K EMPLOYEE STOCK OWNERSHIP PLAN 2011 401k membership
Total participants, beginning-of-year	2011-01-01	1,316
Total number of active participants reported on line 7a of the Form 5500	2011-01-01	1,104
Number of retired or separated participants receiving benefits	2011-01-01	1
Number of other retired or separated participants entitled to future benefits	2011-01-01	189
Total of all active and inactive participants	2011-01-01	1,294
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2011-01-01	1
Total participants	2011-01-01	1,295
Number of participants with account balances	2011-01-01	1,293
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2011-01-01	20
2010: THE UIL HOLDINGS CORPORATION 401K EMPLOYEE STOCK OWNERSHIP PLAN 2010 401k membership
Total participants, beginning-of-year	2010-01-01	1,277
Total number of active participants reported on line 7a of the Form 5500	2010-01-01	1,096
Number of retired or separated participants receiving benefits	2010-01-01	0
Number of other retired or separated participants entitled to future benefits	2010-01-01	217
Total of all active and inactive participants	2010-01-01	1,313
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2010-01-01	3
Total participants	2010-01-01	1,316
Number of participants with account balances	2010-01-01	1,306
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2010-01-01	18
2009: THE UIL HOLDINGS CORPORATION 401K EMPLOYEE STOCK OWNERSHIP PLAN 2009 401k membership
Total participants, beginning-of-year	2009-01-01	1,292
Total number of active participants reported on line 7a of the Form 5500	2009-01-01	1,052
Number of retired or separated participants receiving benefits	2009-01-01	0
Number of other retired or separated participants entitled to future benefits	2009-01-01	222
Total of all active and inactive participants	2009-01-01	1,274
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2009-01-01	3
Total participants	2009-01-01	1,277
Number of participants with account balances	2009-01-01	1,277
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2009-01-01	18

Financial Data on THE UIL HOLDINGS CORPORATION 401K EMPLOYEE STOCK OWNERSHIP PLAN

Measure	Date	Value
2016 : THE UIL HOLDINGS CORPORATION 401K EMPLOYEE STOCK OWNERSHIP PLAN 2016 401k financial data
Total unrealized appreciation/depreciation of assets	2016-12-31	$0
Total transfer of assets from this plan	2016-12-31	$8,647
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
Total income from all sources (including contributions)	2016-12-31	$48,171,130
Total loss/gain on sale of assets	2016-12-31	$0
Total of all expenses incurred	2016-12-31	$26,875,096
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2016-12-31	$26,694,897
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2016-12-31	$22,638,495
Value of total assets at end of year	2016-12-31	$408,190,992
Value of total assets at beginning of year	2016-12-31	$386,903,605
Total of administrative expenses incurred including professional, contract, advisory and management fees	2016-12-31	$180,199
Total interest from all sources	2016-12-31	$225,666
Total dividends received (eg from common stock, registered investment company shares)	2016-12-31	$8,627,142
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	$8,627,142
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	$13,840,695
Participant contributions at end of year	2016-12-31	$5,056,219
Participant contributions at beginning of year	2016-12-31	$5,234,009
Participant contributions at end of year	2016-12-31	$366,009
Participant contributions at beginning of year	2016-12-31	$315,423
Income. Received or receivable in cash from other sources (including rollovers)	2016-12-31	$680,178
Other income not declared elsewhere	2016-12-31	$43,449
Administrative expenses (other) incurred	2016-12-31	$180,199
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
Value of net income/loss	2016-12-31	$21,296,034
Value of net assets at end of year (total assets less liabilities)	2016-12-31	$408,190,992
Value of net assets at beginning of year (total assets less liabilities)	2016-12-31	$386,903,605
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
Value of interest in registered invesment companies (eg mutual funds) at end of year	2016-12-31	$313,266,846
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2016-12-31	$289,786,817
Interest on participant loans	2016-12-31	$225,666
Value of interest in master investment trust accounts at end of year	2016-12-31	$40,796,617
Value of interest in master investment trust accounts at beginning of year	2016-12-31	$47,321,029
Value of interest in common/collective trusts at end of year	2016-12-31	$48,384,803
Value of interest in common/collective trusts at beginning of year	2016-12-31	$43,985,763
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2016-12-31	$14,477,417
Net investment gain or loss from common/collective trusts	2016-12-31	$930,037
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2016-12-31	Yes
Was there a failure to transmit to the plan any participant contributions	2016-12-31	Yes
Has the plan failed to provide any benefit when due under the plan	2016-12-31	No
Contributions received in cash from employer	2016-12-31	$8,117,622
Employer contributions (assets) at end of year	2016-12-31	$320,498
Employer contributions (assets) at beginning of year	2016-12-31	$260,564
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2016-12-31	$26,694,897
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
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	DWORKEN, HILLMAN, LAMORTE AND STERC
Accountancy firm EIN	2016-12-31	061308345
2015 : THE UIL HOLDINGS CORPORATION 401K EMPLOYEE STOCK OWNERSHIP PLAN 2015 401k financial data
Total unrealized appreciation/depreciation of assets	2015-12-31	$0
Total transfer of assets to this plan	2015-12-31	$1,615
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
Total income from all sources (including contributions)	2015-12-31	$30,605,637
Total loss/gain on sale of assets	2015-12-31	$0
Total of all expenses incurred	2015-12-31	$19,727,490
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2015-12-31	$19,668,767
Value of total corrective distributions	2015-12-31	$1,072
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2015-12-31	$21,342,754
Value of total assets at end of year	2015-12-31	$386,903,605
Value of total assets at beginning of year	2015-12-31	$376,023,843
Total of administrative expenses incurred including professional, contract, advisory and management fees	2015-12-31	$57,651
Total interest from all sources	2015-12-31	$235,621
Total dividends received (eg from common stock, registered investment company shares)	2015-12-31	$14,543,011
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	$12,933,718
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	$13,368,381
Participant contributions at end of year	2015-12-31	$5,234,009
Participant contributions at beginning of year	2015-12-31	$5,141,723
Participant contributions at end of year	2015-12-31	$315,423
Participant contributions at beginning of year	2015-12-31	$525,184
Income. Received or receivable in cash from other sources (including rollovers)	2015-12-31	$353,726
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2015-12-31	$2,914
Other income not declared elsewhere	2015-12-31	$48,028
Administrative expenses (other) incurred	2015-12-31	$57,651
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
Value of net income/loss	2015-12-31	$10,878,147
Value of net assets at end of year (total assets less liabilities)	2015-12-31	$386,903,605
Value of net assets at beginning of year (total assets less liabilities)	2015-12-31	$376,023,843
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
Value of interest in registered invesment companies (eg mutual funds) at end of year	2015-12-31	$289,786,817
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2015-12-31	$282,418,169
Interest on participant loans	2015-12-31	$235,621
Value of interest in master investment trust accounts at end of year	2015-12-31	$47,321,029
Value of interest in master investment trust accounts at beginning of year	2015-12-31	$55,119,693
Value of interest in common/collective trusts at end of year	2015-12-31	$43,985,763
Value of interest in common/collective trusts at beginning of year	2015-12-31	$32,548,749
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2015-12-31	$-11,887,691
Net investment gain or loss from common/collective trusts	2015-12-31	$-320,332
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2015-12-31	Yes
Was there a failure to transmit to the plan any participant contributions	2015-12-31	Yes
Has the plan failed to provide any benefit when due under the plan	2015-12-31	No
Contributions received in cash from employer	2015-12-31	$7,620,647
Employer contributions (assets) at end of year	2015-12-31	$260,564
Employer contributions (assets) at beginning of year	2015-12-31	$270,325
Income. Dividends from common stock	2015-12-31	$1,609,293
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2015-12-31	$19,665,853
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
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2015-12-31	No
Opinion of an independent qualified public accountant for this plan	2015-12-31	Unqualified
Accountancy firm name	2015-12-31	DWORKEN, HILLMAN, LAMORTE AND STERC
Accountancy firm EIN	2015-12-31	061308345
2014 : THE UIL HOLDINGS CORPORATION 401K EMPLOYEE STOCK OWNERSHIP PLAN 2014 401k financial data
Total unrealized appreciation/depreciation of assets	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
Total income from all sources (including contributions)	2014-12-31	$51,425,106
Total loss/gain on sale of assets	2014-12-31	$0
Total of all expenses incurred	2014-12-31	$28,050,469
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2014-12-31	$27,991,441
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2014-12-31	$21,434,548
Value of total assets at end of year	2014-12-31	$376,023,843
Value of total assets at beginning of year	2014-12-31	$352,649,206
Total of administrative expenses incurred including professional, contract, advisory and management fees	2014-12-31	$59,028
Total interest from all sources	2014-12-31	$230,920
Total dividends received (eg from common stock, registered investment company shares)	2014-12-31	$12,161,213
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	$9,983,679
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	$13,177,708
Participant contributions at end of year	2014-12-31	$5,141,723
Participant contributions at beginning of year	2014-12-31	$4,705,230
Participant contributions at end of year	2014-12-31	$525,184
Participant contributions at beginning of year	2014-12-31	$502,139
Income. Received or receivable in cash from other sources (including rollovers)	2014-12-31	$1,031,447
Other income not declared elsewhere	2014-12-31	$68,075
Administrative expenses (other) incurred	2014-12-31	$59,028
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
Value of net income/loss	2014-12-31	$23,374,637
Value of net assets at end of year (total assets less liabilities)	2014-12-31	$376,023,843
Value of net assets at beginning of year (total assets less liabilities)	2014-12-31	$352,649,206
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
Value of interest in registered invesment companies (eg mutual funds) at end of year	2014-12-31	$282,418,169
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2014-12-31	$264,604,487
Interest on participant loans	2014-12-31	$230,920
Value of interest in master investment trust accounts at end of year	2014-12-31	$55,119,693
Value of interest in master investment trust accounts at beginning of year	2014-12-31	$48,954,985
Value of interest in common/collective trusts at end of year	2014-12-31	$32,548,749
Value of interest in common/collective trusts at beginning of year	2014-12-31	$33,612,978
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2014-12-31	$10,811,157
Net investment gain or loss from common/collective trusts	2014-12-31	$675,179
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	Yes
Has the plan failed to provide any benefit when due under the plan	2014-12-31	No
Contributions received in cash from employer	2014-12-31	$7,225,393
Employer contributions (assets) at end of year	2014-12-31	$270,325
Employer contributions (assets) at beginning of year	2014-12-31	$269,387
Income. Dividends from common stock	2014-12-31	$2,177,534
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2014-12-31	$27,991,441
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
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2014-12-31	No
Opinion of an independent qualified public accountant for this plan	2014-12-31	Unqualified
Accountancy firm name	2014-12-31	DWORKEN, HILLMAN,LAMORTE AND STERC
Accountancy firm EIN	2014-12-31	061308345
2013 : THE UIL HOLDINGS CORPORATION 401K EMPLOYEE STOCK OWNERSHIP PLAN 2013 401k financial data
Total unrealized appreciation/depreciation of assets	2013-12-31	$0
Total transfer of assets to this plan	2013-12-31	$110,974,757
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
Total income from all sources (including contributions)	2013-12-31	$64,576,738
Total loss/gain on sale of assets	2013-12-31	$0
Total of all expenses incurred	2013-12-31	$17,059,986
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2013-12-31	$17,013,613
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2013-12-31	$18,560,843
Value of total assets at end of year	2013-12-31	$352,649,206
Value of total assets at beginning of year	2013-12-31	$194,157,697
Total of administrative expenses incurred including professional, contract, advisory and management fees	2013-12-31	$46,373
Total interest from all sources	2013-12-31	$182,459
Total dividends received (eg from common stock, registered investment company shares)	2013-12-31	$8,114,545
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	$8,114,545
Was this plan covered by a fidelity bond	2013-12-31	Yes
Value of fidelity bond cover	2013-12-31	$10,000,000
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	$10,976,340
Participant contributions at end of year	2013-12-31	$4,705,230
Participant contributions at beginning of year	2013-12-31	$2,460,258
Participant contributions at end of year	2013-12-31	$502,139
Participant contributions at beginning of year	2013-12-31	$385,928
Income. Received or receivable in cash from other sources (including rollovers)	2013-12-31	$665,521
Other income not declared elsewhere	2013-12-31	$38,644
Administrative expenses (other) incurred	2013-12-31	$46,373
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
Value of net income/loss	2013-12-31	$47,516,752
Value of net assets at end of year (total assets less liabilities)	2013-12-31	$352,649,206
Value of net assets at beginning of year (total assets less liabilities)	2013-12-31	$194,157,697
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
Value of interest in registered invesment companies (eg mutual funds) at end of year	2013-12-31	$264,604,487
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2013-12-31	$128,855,995
Interest on participant loans	2013-12-31	$182,459
Value of interest in master investment trust accounts at end of year	2013-12-31	$48,954,985
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	$33,612,978
Value of interest in common/collective trusts at beginning of year	2013-12-31	$17,632,277
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2013-12-31	$35,528,317
Net investment gain or loss from common/collective trusts	2013-12-31	$456,570
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2013-12-31	Yes
Was there a failure to transmit to the plan any participant contributions	2013-12-31	Yes
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	$0
Assets. Invements in employer securities at beginning of year	2013-12-31	$44,587,195
Contributions received in cash from employer	2013-12-31	$6,918,982
Employer contributions (assets) at end of year	2013-12-31	$269,387
Employer contributions (assets) at beginning of year	2013-12-31	$236,044
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2013-12-31	$17,013,613
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
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	DWORKEN, HILLMAN, LAMORTE AND STERC
Accountancy firm EIN	2013-12-31	061308345
2012 : THE UIL HOLDINGS CORPORATION 401K EMPLOYEE STOCK OWNERSHIP PLAN 2012 401k financial data
Unrealized appreciation/depreciation of other (non real estate) assets	2012-12-31	$469,135
Total unrealized appreciation/depreciation of assets	2012-12-31	$469,135
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	$33,560,947
Total loss/gain on sale of assets	2012-12-31	$-1,874
Total of all expenses incurred	2012-12-31	$12,052,965
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2012-12-31	$12,029,275
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2012-12-31	$15,564,871
Value of total assets at end of year	2012-12-31	$194,157,697
Value of total assets at beginning of year	2012-12-31	$172,649,715
Total of administrative expenses incurred including professional, contract, advisory and management fees	2012-12-31	$23,690
Total interest from all sources	2012-12-31	$127,604
Total dividends received (eg from common stock, registered investment company shares)	2012-12-31	$5,124,080
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	$3,045,380
Was this plan covered by a fidelity bond	2012-12-31	Yes
Value of fidelity bond cover	2012-12-31	$10,000,000
If this is an individual account plan, was there a blackout period	2012-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2012-12-31	No
Contributions received from participants	2012-12-31	$9,506,655
Participant contributions at end of year	2012-12-31	$2,460,258
Participant contributions at beginning of year	2012-12-31	$2,261,987
Participant contributions at end of year	2012-12-31	$385,928
Participant contributions at beginning of year	2012-12-31	$73,356
Income. Received or receivable in cash from other sources (including rollovers)	2012-12-31	$379,244
Other income not declared elsewhere	2012-12-31	$3,341
Administrative expenses (other) incurred	2012-12-31	$23,690
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	$21,507,982
Value of net assets at end of year (total assets less liabilities)	2012-12-31	$194,157,697
Value of net assets at beginning of year (total assets less liabilities)	2012-12-31	$172,649,715
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	$128,855,995
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2012-12-31	$109,629,070
Interest on participant loans	2012-12-31	$127,604
Value of interest in common/collective trusts at end of year	2012-12-31	$17,632,277
Value of interest in common/collective trusts at beginning of year	2012-12-31	$18,053,586
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2012-12-31	$11,831,221
Net investment gain or loss from common/collective trusts	2012-12-31	$442,569
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	$44,587,195
Assets. Invements in employer securities at beginning of year	2012-12-31	$42,348,903
Contributions received in cash from employer	2012-12-31	$5,678,972
Employer contributions (assets) at end of year	2012-12-31	$236,044
Employer contributions (assets) at beginning of year	2012-12-31	$282,813
Income. Dividends from common stock	2012-12-31	$2,078,700
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2012-12-31	$12,029,275
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	$5,926,590
Aggregate carrying amount (costs) on sale of assets	2012-12-31	$5,928,464
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	DWORKEN, HILLMAN, LAMORTE AND STERC
Accountancy firm EIN	2012-12-31	061308345
2011 : THE UIL HOLDINGS CORPORATION 401K EMPLOYEE STOCK OWNERSHIP PLAN 2011 401k financial data
Unrealized appreciation/depreciation of other (non real estate) assets	2011-12-31	$6,089,337
Total unrealized appreciation/depreciation of assets	2011-12-31	$6,089,337
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2011-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2011-12-31	$0
Total income from all sources (including contributions)	2011-12-31	$24,739,972
Total loss/gain on sale of assets	2011-12-31	$184,905
Total of all expenses incurred	2011-12-31	$9,783,461
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2011-12-31	$9,761,806
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2011-12-31	$14,013,337
Value of total assets at end of year	2011-12-31	$172,649,715
Value of total assets at beginning of year	2011-12-31	$157,693,204
Total of administrative expenses incurred including professional, contract, advisory and management fees	2011-12-31	$21,655
Total interest from all sources	2011-12-31	$134,216
Total dividends received (eg from common stock, registered investment company shares)	2011-12-31	$4,391,791
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	$2,386,415
Was this plan covered by a fidelity bond	2011-12-31	Yes
Value of fidelity bond cover	2011-12-31	$10,000,000
If this is an individual account plan, was there a blackout period	2011-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2011-12-31	No
Contributions received from participants	2011-12-31	$8,808,843
Participant contributions at end of year	2011-12-31	$2,261,987
Participant contributions at beginning of year	2011-12-31	$2,211,568
Participant contributions at end of year	2011-12-31	$73,356
Participant contributions at beginning of year	2011-12-31	$424,721
Income. Received or receivable in cash from other sources (including rollovers)	2011-12-31	$356,940
Other income not declared elsewhere	2011-12-31	$3,814
Administrative expenses (other) incurred	2011-12-31	$21,655
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	$14,956,511
Value of net assets at end of year (total assets less liabilities)	2011-12-31	$172,649,715
Value of net assets at beginning of year (total assets less liabilities)	2011-12-31	$157,693,204
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	$109,629,070
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2011-12-31	$104,120,325
Interest on participant loans	2011-12-31	$134,216
Value of interest in common/collective trusts at end of year	2011-12-31	$18,053,586
Value of interest in common/collective trusts at beginning of year	2011-12-31	$15,920,094
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2011-12-31	$-756,286
Net investment gain or loss from common/collective trusts	2011-12-31	$678,858
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	$42,348,903
Assets. Invements in employer securities at beginning of year	2011-12-31	$34,644,463
Contributions received in cash from employer	2011-12-31	$4,847,554
Employer contributions (assets) at end of year	2011-12-31	$282,813
Employer contributions (assets) at beginning of year	2011-12-31	$372,033
Income. Dividends from common stock	2011-12-31	$2,005,376
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2011-12-31	$9,761,806
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
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	$5,165,470
Aggregate carrying amount (costs) on sale of assets	2011-12-31	$4,980,565
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	DWORKEN, HILLMAN, LAMORTE AND STERC
Accountancy firm EIN	2011-12-31	061308345
2010 : THE UIL HOLDINGS CORPORATION 401K EMPLOYEE STOCK OWNERSHIP PLAN 2010 401k financial data
Unrealized appreciation/depreciation of other (non real estate) assets	2010-12-31	$2,109,428
Total unrealized appreciation/depreciation of assets	2010-12-31	$2,109,428
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	$0
Total income from all sources (including contributions)	2010-12-31	$29,293,177
Total loss/gain on sale of assets	2010-12-31	$14,004
Total of all expenses incurred	2010-12-31	$7,638,566
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2010-12-31	$7,617,809
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2010-12-31	$12,519,446
Value of total assets at end of year	2010-12-31	$157,693,204
Value of total assets at beginning of year	2010-12-31	$136,038,593
Total of administrative expenses incurred including professional, contract, advisory and management fees	2010-12-31	$20,757
Total interest from all sources	2010-12-31	$116,116
Total dividends received (eg from common stock, registered investment company shares)	2010-12-31	$4,066,491
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	$2,144,114
Was this plan covered by a fidelity bond	2010-12-31	Yes
Value of fidelity bond cover	2010-12-31	$10,000,000
If this is an individual account plan, was there a blackout period	2010-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2010-12-31	No
Contributions received from participants	2010-12-31	$8,165,283
Participant contributions at end of year	2010-12-31	$2,211,568
Participant contributions at beginning of year	2010-12-31	$1,861,875
Participant contributions at end of year	2010-12-31	$424,721
Participant contributions at beginning of year	2010-12-31	$44,170
Income. Received or receivable in cash from other sources (including rollovers)	2010-12-31	$231,177
Other income not declared elsewhere	2010-12-31	$3,593
Administrative expenses (other) incurred	2010-12-31	$20,757
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	$21,654,611
Value of net assets at end of year (total assets less liabilities)	2010-12-31	$157,693,204
Value of net assets at beginning of year (total assets less liabilities)	2010-12-31	$136,038,593
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	$104,120,325
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2010-12-31	$87,549,210
Interest on participant loans	2010-12-31	$116,116
Value of interest in common/collective trusts at end of year	2010-12-31	$15,920,094
Value of interest in common/collective trusts at beginning of year	2010-12-31	$15,672,256
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2010-12-31	$9,740,263
Net investment gain or loss from common/collective trusts	2010-12-31	$723,836
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	$34,644,463
Assets. Invements in employer securities at beginning of year	2010-12-31	$30,702,566
Contributions received in cash from employer	2010-12-31	$4,122,986
Employer contributions (assets) at end of year	2010-12-31	$372,033
Employer contributions (assets) at beginning of year	2010-12-31	$208,516
Income. Dividends from common stock	2010-12-31	$1,922,377
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2010-12-31	$7,617,809
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
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	$4,272,146
Aggregate carrying amount (costs) on sale of assets	2010-12-31	$4,258,142
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	DWORKEN, HILLMAN, LAMORTE AND STERC
Accountancy firm EIN	2010-12-31	061308345

Form 5500 Responses for THE UIL HOLDINGS CORPORATION 401K EMPLOYEE STOCK OWNERSHIP PLAN

2016: THE UIL HOLDINGS CORPORATION 401K EMPLOYEE STOCK OWNERSHIP PLAN 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: THE UIL HOLDINGS CORPORATION 401K EMPLOYEE STOCK OWNERSHIP PLAN 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: THE UIL HOLDINGS CORPORATION 401K EMPLOYEE STOCK OWNERSHIP PLAN 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: THE UIL HOLDINGS CORPORATION 401K EMPLOYEE STOCK OWNERSHIP PLAN 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: THE UIL HOLDINGS CORPORATION 401K EMPLOYEE STOCK OWNERSHIP PLAN 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: THE UIL HOLDINGS CORPORATION 401K EMPLOYEE STOCK OWNERSHIP PLAN 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
2010: THE UIL HOLDINGS CORPORATION 401K EMPLOYEE STOCK OWNERSHIP PLAN 2010 form 5500 responses
2010-01-01	Type of plan entity	Single employer plan
2010-01-01	Submission has been amended	No
2010-01-01	This submission is the final filing	No
2010-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2010-01-01	Plan is a collectively bargained plan	Yes
2010-01-01	Plan funding arrangement – Trust	Yes
2010-01-01	Plan benefit arrangement - Trust	Yes
2009: THE UIL HOLDINGS CORPORATION 401K EMPLOYEE STOCK OWNERSHIP PLAN 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:	THE UNITED ILLUMINATING COMPANY
Employer identification number (EIN):	060571640
NAIC Classification:	221100