401k Plan data: GREAT PLAINS ENERGY INCORPORATED 401K SAVINGS PLAN plan

GREAT PLAINS ENERGY INCORPORATED 401K SAVINGS PLAN 401k Plan overview

Plan Name	GREAT PLAINS ENERGY INCORPORATED 401K SAVINGS PLAN
Plan identification number	006

GREAT PLAINS ENERGY INCORPORATED 401K SAVINGS 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.
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.
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.
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.
ESOP other than a leveraged ESOP - A completed Schedule E must be attached to a Form 5500 filed for an Employee Stock Ownership Plan (ESOP).
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) is (are) a member(s) of a controlled group (Code sections 414(b), (c), or (m)).

401k Sponsoring company profile

GREAT PLAINS ENERGY INCORPORATED has sponsored the creation of one or more 401k plans.

Company Name: GREAT PLAINS ENERGY INCORPORATED

Employer identification number (EIN): 431916803

NAIC Classification: 221100

Form 5500 Filing Information

Submission information for form 5500 for 401k plan GREAT PLAINS ENERGY INCORPORATED 401K SAVINGS PLAN

Plan id# Filing Submission Date Name of Administrator Date Administrator Signed Name of Company Sponsor Date Sponsor Signed
006 2017-01-01
006 2016-01-01
006 2015-01-01
006 2014-01-01 KELLY MURPHY, DIRECTOR OF HUMAN RES
006 2014-01-01 KELLY MURPHY, DIRECTOR OF HUMAN RES
006 2013-01-01 KELLY MURPHY, DIRECTOR OF HUMAN RES
006 2012-01-01 KELLY MURPHY, DIRECTOR OF HUMAN RES KELLY MURPHY, DIRECTOR OF HUMAN RES 2013-07-09
006 2011-01-01 KELLY MURPHY, DIRECTOR OF HUMAN RES KELLY MURPHY, DIRECTOR OF HUMAN RES 2012-08-01
006 2009-01-01 KELLY MURPHY, DIRECTOR COMP AND BEN KELLY MURPHY, DIRECTOR COMP AND BEN 2010-09-20
006 2009-01-01 KELLY MURPHY, MGR,COMP AND BENEFITS KELLY MURPHY, MGR,COMP AND BENEFITS 2010-07-20

Plan id#	Filing Submission Date	Name of Administrator	Name of Company Sponsor	Date Sponsor Signed
006	2017-01-01
006	2016-01-01
006	2015-01-01
006	2014-01-01	KELLY MURPHY, DIRECTOR OF HUMAN RES
006	2014-01-01	KELLY MURPHY, DIRECTOR OF HUMAN RES
006	2013-01-01	KELLY MURPHY, DIRECTOR OF HUMAN RES
006	2012-01-01	KELLY MURPHY, DIRECTOR OF HUMAN RES	KELLY MURPHY, DIRECTOR OF HUMAN RES	2013-07-09
006	2011-01-01	KELLY MURPHY, DIRECTOR OF HUMAN RES	KELLY MURPHY, DIRECTOR OF HUMAN RES	2012-08-01
006	2009-01-01	KELLY MURPHY, DIRECTOR COMP AND BEN	KELLY MURPHY, DIRECTOR COMP AND BEN	2010-09-20
006	2009-01-01	KELLY MURPHY, MGR,COMP AND BENEFITS	KELLY MURPHY, MGR,COMP AND BENEFITS	2010-07-20

Plan Statistics for GREAT PLAINS ENERGY INCORPORATED 401K SAVINGS PLAN

401k plan membership statisitcs for GREAT PLAINS ENERGY INCORPORATED 401K SAVINGS PLAN

Measure Date Value
2017: GREAT PLAINS ENERGY INCORPORATED 401K SAVINGS PLAN 2017 401k membership
Total participants, beginning-of-year 2017-01-01 3,635
Total number of active participants reported on line 7a of the Form 5500 2017-01-01 2,711
Number of retired or separated participants receiving benefits 2017-01-01 144
Number of other retired or separated participants entitled to future benefits 2017-01-01 598
Total of all active and inactive participants 2017-01-01 3,453
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2017-01-01 11
Total participants 2017-01-01 3,464
Number of participants with account balances 2017-01-01 3,426
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2017-01-01 3
2016: GREAT PLAINS ENERGY INCORPORATED 401K SAVINGS PLAN 2016 401k membership
Total participants, beginning-of-year 2016-01-01 3,746
Total number of active participants reported on line 7a of the Form 5500 2016-01-01 2,872
Number of retired or separated participants receiving benefits 2016-01-01 134
Number of other retired or separated participants entitled to future benefits 2016-01-01 624
Total of all active and inactive participants 2016-01-01 3,630
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2016-01-01 5
Total participants 2016-01-01 3,635
Number of participants with account balances 2016-01-01 3,604
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2016-01-01 7
2015: GREAT PLAINS ENERGY INCORPORATED 401K SAVINGS PLAN 2015 401k membership
Total participants, beginning-of-year 2015-01-01 3,822
Total number of active participants reported on line 7a of the Form 5500 2015-01-01 2,901
Number of retired or separated participants receiving benefits 2015-01-01 228
Number of other retired or separated participants entitled to future benefits 2015-01-01 604
Total of all active and inactive participants 2015-01-01 3,733
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2015-01-01 13
Total participants 2015-01-01 3,746
Number of participants with account balances 2015-01-01 3,649
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2015-01-01 8
2014: GREAT PLAINS ENERGY INCORPORATED 401K SAVINGS PLAN 2014 401k membership
Total participants, beginning-of-year 2014-01-01 3,968
Total number of active participants reported on line 7a of the Form 5500 2014-01-01 2,942
Number of retired or separated participants receiving benefits 2014-01-01 204
Number of other retired or separated participants entitled to future benefits 2014-01-01 661
Total of all active and inactive participants 2014-01-01 3,807
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2014-01-01 15
Total participants 2014-01-01 3,822
Number of participants with account balances 2014-01-01 3,725
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2014-01-01 10
2013: GREAT PLAINS ENERGY INCORPORATED 401K SAVINGS PLAN 2013 401k membership
Total participants, beginning-of-year 2013-01-01 4,139
Total number of active participants reported on line 7a of the Form 5500 2013-01-01 2,974
Number of retired or separated participants receiving benefits 2013-01-01 208
Number of other retired or separated participants entitled to future benefits 2013-01-01 767
Total of all active and inactive participants 2013-01-01 3,949
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2013-01-01 19
Total participants 2013-01-01 3,968
Number of participants with account balances 2013-01-01 3,849
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2013-01-01 12
2012: GREAT PLAINS ENERGY INCORPORATED 401K SAVINGS PLAN 2012 401k membership
Total participants, beginning-of-year 2012-01-01 4,022
Total number of active participants reported on line 7a of the Form 5500 2012-01-01 3,090
Number of retired or separated participants receiving benefits 2012-01-01 187
Number of other retired or separated participants entitled to future benefits 2012-01-01 840
Total of all active and inactive participants 2012-01-01 4,117
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2012-01-01 22
Total participants 2012-01-01 4,139
Number of participants with account balances 2012-01-01 4,027
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2012-01-01 3
2011: GREAT PLAINS ENERGY INCORPORATED 401K SAVINGS PLAN 2011 401k membership
Total participants, beginning-of-year 2011-01-01 4,274
Total number of active participants reported on line 7a of the Form 5500 2011-01-01 3,067
Number of retired or separated participants receiving benefits 2011-01-01 169
Number of other retired or separated participants entitled to future benefits 2011-01-01 928
Total of all active and inactive participants 2011-01-01 4,164
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2011-01-01 21
Total participants 2011-01-01 4,185
Number of participants with account balances 2011-01-01 4,022
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2011-01-01 7
2009: GREAT PLAINS ENERGY INCORPORATED 401K SAVINGS PLAN 2009 401k membership
Total participants, beginning-of-year 2009-01-01 3,449
Total number of active participants reported on line 7a of the Form 5500 2009-01-01 3,189
Number of retired or separated participants receiving benefits 2009-01-01 48
Number of other retired or separated participants entitled to future benefits 2009-01-01 1,233
Total of all active and inactive participants 2009-01-01 4,470
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2009-01-01 49
Total participants 2009-01-01 4,519
Number of participants with account balances 2009-01-01 4,436
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2009-01-01 31

Measure	Date	Value
2017: GREAT PLAINS ENERGY INCORPORATED 401K SAVINGS PLAN 2017 401k membership
Total participants, beginning-of-year	2017-01-01	3,635
Total number of active participants reported on line 7a of the Form 5500	2017-01-01	2,711
Number of retired or separated participants receiving benefits	2017-01-01	144
Number of other retired or separated participants entitled to future benefits	2017-01-01	598
Total of all active and inactive participants	2017-01-01	3,453
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2017-01-01	11
Total participants	2017-01-01	3,464
Number of participants with account balances	2017-01-01	3,426
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2017-01-01	3
2016: GREAT PLAINS ENERGY INCORPORATED 401K SAVINGS PLAN 2016 401k membership
Total participants, beginning-of-year	2016-01-01	3,746
Total number of active participants reported on line 7a of the Form 5500	2016-01-01	2,872
Number of retired or separated participants receiving benefits	2016-01-01	134
Number of other retired or separated participants entitled to future benefits	2016-01-01	624
Total of all active and inactive participants	2016-01-01	3,630
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2016-01-01	5
Total participants	2016-01-01	3,635
Number of participants with account balances	2016-01-01	3,604
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2016-01-01	7
2015: GREAT PLAINS ENERGY INCORPORATED 401K SAVINGS PLAN 2015 401k membership
Total participants, beginning-of-year	2015-01-01	3,822
Total number of active participants reported on line 7a of the Form 5500	2015-01-01	2,901
Number of retired or separated participants receiving benefits	2015-01-01	228
Number of other retired or separated participants entitled to future benefits	2015-01-01	604
Total of all active and inactive participants	2015-01-01	3,733
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2015-01-01	13
Total participants	2015-01-01	3,746
Number of participants with account balances	2015-01-01	3,649
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2015-01-01	8
2014: GREAT PLAINS ENERGY INCORPORATED 401K SAVINGS PLAN 2014 401k membership
Total participants, beginning-of-year	2014-01-01	3,968
Total number of active participants reported on line 7a of the Form 5500	2014-01-01	2,942
Number of retired or separated participants receiving benefits	2014-01-01	204
Number of other retired or separated participants entitled to future benefits	2014-01-01	661
Total of all active and inactive participants	2014-01-01	3,807
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2014-01-01	15
Total participants	2014-01-01	3,822
Number of participants with account balances	2014-01-01	3,725
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2014-01-01	10
2013: GREAT PLAINS ENERGY INCORPORATED 401K SAVINGS PLAN 2013 401k membership
Total participants, beginning-of-year	2013-01-01	4,139
Total number of active participants reported on line 7a of the Form 5500	2013-01-01	2,974
Number of retired or separated participants receiving benefits	2013-01-01	208
Number of other retired or separated participants entitled to future benefits	2013-01-01	767
Total of all active and inactive participants	2013-01-01	3,949
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2013-01-01	19
Total participants	2013-01-01	3,968
Number of participants with account balances	2013-01-01	3,849
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2013-01-01	12
2012: GREAT PLAINS ENERGY INCORPORATED 401K SAVINGS PLAN 2012 401k membership
Total participants, beginning-of-year	2012-01-01	4,022
Total number of active participants reported on line 7a of the Form 5500	2012-01-01	3,090
Number of retired or separated participants receiving benefits	2012-01-01	187
Number of other retired or separated participants entitled to future benefits	2012-01-01	840
Total of all active and inactive participants	2012-01-01	4,117
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2012-01-01	22
Total participants	2012-01-01	4,139
Number of participants with account balances	2012-01-01	4,027
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2012-01-01	3
2011: GREAT PLAINS ENERGY INCORPORATED 401K SAVINGS PLAN 2011 401k membership
Total participants, beginning-of-year	2011-01-01	4,274
Total number of active participants reported on line 7a of the Form 5500	2011-01-01	3,067
Number of retired or separated participants receiving benefits	2011-01-01	169
Number of other retired or separated participants entitled to future benefits	2011-01-01	928
Total of all active and inactive participants	2011-01-01	4,164
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2011-01-01	21
Total participants	2011-01-01	4,185
Number of participants with account balances	2011-01-01	4,022
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2011-01-01	7
2009: GREAT PLAINS ENERGY INCORPORATED 401K SAVINGS PLAN 2009 401k membership
Total participants, beginning-of-year	2009-01-01	3,449
Total number of active participants reported on line 7a of the Form 5500	2009-01-01	3,189
Number of retired or separated participants receiving benefits	2009-01-01	48
Number of other retired or separated participants entitled to future benefits	2009-01-01	1,233
Total of all active and inactive participants	2009-01-01	4,470
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2009-01-01	49
Total participants	2009-01-01	4,519
Number of participants with account balances	2009-01-01	4,436
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2009-01-01	31

Financial Data on GREAT PLAINS ENERGY INCORPORATED 401K SAVINGS PLAN

Measure	Date	Value
2017 : GREAT PLAINS ENERGY INCORPORATED 401K SAVINGS PLAN 2017 401k financial data
Unrealized appreciation/depreciation of other (non real estate) assets	2017-12-31	$8,820,192
Total unrealized appreciation/depreciation of assets	2017-12-31	$8,820,192
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
Total income from all sources (including contributions)	2017-12-31	$129,796,362
Total loss/gain on sale of assets	2017-12-31	$1,569,698
Total of all expenses incurred	2017-12-31	$66,286,129
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2017-12-31	$65,609,039
Value of total corrective distributions	2017-12-31	$14,692
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2017-12-31	$37,913,747
Value of total assets at end of year	2017-12-31	$597,049,666
Value of total assets at beginning of year	2017-12-31	$533,539,433
Total of administrative expenses incurred including professional, contract, advisory and management fees	2017-12-31	$662,398
Total interest from all sources	2017-12-31	$576,999
Total dividends received (eg from common stock, registered investment company shares)	2017-12-31	$22,694,921
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	$20,341,385
Administrative expenses professional fees incurred	2017-12-31	$2,230
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
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2017-12-31	$0
Were there any nonexempt tranactions with any party-in-interest	2017-12-31	No
Contributions received from participants	2017-12-31	$26,525,476
Participant contributions at end of year	2017-12-31	$10,500,053
Participant contributions at beginning of year	2017-12-31	$10,476,076
Participant contributions at end of year	2017-12-31	$276
Participant contributions at beginning of year	2017-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2017-12-31	$13,459,490
Assets. Other investments not covered elsewhere at beginning of year	2017-12-31	$13,111,530
Income. Received or receivable in cash from other sources (including rollovers)	2017-12-31	$768,693
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	$1,681
Other income not declared elsewhere	2017-12-31	$1,720,938
Administrative expenses (other) incurred	2017-12-31	$287,339
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
Value of net income/loss	2017-12-31	$63,510,233
Value of net assets at end of year (total assets less liabilities)	2017-12-31	$597,049,666
Value of net assets at beginning of year (total assets less liabilities)	2017-12-31	$533,539,433
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
Investment advisory and management fees	2017-12-31	$372,829
Value of interest in registered invesment companies (eg mutual funds) at end of year	2017-12-31	$289,668,771
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2017-12-31	$251,128,224
Interest on participant loans	2017-12-31	$570,043
Value of interest in common/collective trusts at end of year	2017-12-31	$218,606,445
Value of interest in common/collective trusts at beginning of year	2017-12-31	$196,325,966
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2017-12-31	$3,807,605
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2017-12-31	$3,334,759
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2017-12-31	$3,334,759
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2017-12-31	$6,956
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2017-12-31	$29,891,393
Net investment gain or loss from common/collective trusts	2017-12-31	$26,608,474
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	No
Assets. Invements in employer securities at end of year	2017-12-31	$60,126,410
Assets. Invements in employer securities at beginning of year	2017-12-31	$58,574,957
Contributions received in cash from employer	2017-12-31	$10,619,578
Employer contributions (assets) at end of year	2017-12-31	$880,616
Employer contributions (assets) at beginning of year	2017-12-31	$586,240
Income. Dividends from preferred stock	2017-12-31	$812
Income. Dividends from common stock	2017-12-31	$2,352,724
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2017-12-31	$65,609,039
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	$15,660,141
Aggregate carrying amount (costs) on sale of assets	2017-12-31	$14,090,443
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2017-12-31	No
Opinion of an independent qualified public accountant for this plan	2017-12-31	Unqualified
Accountancy firm name	2017-12-31	MAYER HOFFMAN MCCANN PC
Accountancy firm EIN	2017-12-31	431947695
2016 : GREAT PLAINS ENERGY INCORPORATED 401K SAVINGS PLAN 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	$-1,553,010
Total unrealized appreciation/depreciation of assets	2016-12-31	$-1,553,010
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	$69,494,018
Total loss/gain on sale of assets	2016-12-31	$2,176,562
Total of all expenses incurred	2016-12-31	$47,520,930
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2016-12-31	$46,699,716
Expenses. Certain deemed distributions of participant loans	2016-12-31	$6,976
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2016-12-31	$36,438,061
Value of total assets at end of year	2016-12-31	$533,539,433
Value of total assets at beginning of year	2016-12-31	$511,566,345
Total of administrative expenses incurred including professional, contract, advisory and management fees	2016-12-31	$814,238
Total interest from all sources	2016-12-31	$559,356
Total dividends received (eg from common stock, registered investment company shares)	2016-12-31	$5,918,785
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	$3,467,138
Administrative expenses professional fees incurred	2016-12-31	$13,354
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
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2016-12-31	$0
Were there any nonexempt tranactions with any party-in-interest	2016-12-31	No
Contributions received from participants	2016-12-31	$25,445,560
Participant contributions at end of year	2016-12-31	$10,476,076
Participant contributions at beginning of year	2016-12-31	$9,652,514
Assets. Other investments not covered elsewhere at end of year	2016-12-31	$13,111,530
Assets. Other investments not covered elsewhere at beginning of year	2016-12-31	$11,242,453
Income. Received or receivable in cash from other sources (including rollovers)	2016-12-31	$789,696
Value of other receiveables (less allowance for doubtful accounts) at end of year	2016-12-31	$1,681
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2016-12-31	$0
Other income not declared elsewhere	2016-12-31	$899,646
Administrative expenses (other) incurred	2016-12-31	$489,339
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	$138,612
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	$21,973,088
Value of net assets at end of year (total assets less liabilities)	2016-12-31	$533,539,433
Value of net assets at beginning of year (total assets less liabilities)	2016-12-31	$511,566,345
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
Investment advisory and management fees	2016-12-31	$311,545
Value of interest in registered invesment companies (eg mutual funds) at end of year	2016-12-31	$251,128,224
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2016-12-31	$355,831,753
Interest on participant loans	2016-12-31	$540,980
Interest earned on other investments	2016-12-31	$6,896
Value of interest in common/collective trusts at end of year	2016-12-31	$196,325,966
Value of interest in common/collective trusts at beginning of year	2016-12-31	$72,341,567
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2016-12-31	$3,334,759
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2016-12-31	$0
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2016-12-31	$0
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2016-12-31	$11,480
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2016-12-31	$8,462,833
Net investment gain or loss from common/collective trusts	2016-12-31	$16,591,785
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	$58,574,957
Assets. Invements in employer securities at beginning of year	2016-12-31	$62,008,153
Contributions received in cash from employer	2016-12-31	$10,202,805
Employer contributions (assets) at end of year	2016-12-31	$586,240
Employer contributions (assets) at beginning of year	2016-12-31	$351,293
Income. Dividends from preferred stock	2016-12-31	$395
Income. Dividends from common stock	2016-12-31	$2,451,252
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2016-12-31	$46,699,716
Contract administrator fees	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	$12,207,510
Aggregate carrying amount (costs) on sale of assets	2016-12-31	$10,030,948
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2016-12-31	No
Opinion of an independent qualified public accountant for this plan	2016-12-31	Unqualified
Accountancy firm name	2016-12-31	MAYER HOFFMAN MCCANN PC
Accountancy firm EIN	2016-12-31	431947695
2015 : GREAT PLAINS ENERGY INCORPORATED 401K SAVINGS PLAN 2015 401k financial data
Unrealized appreciation/depreciation of other (non real estate) assets	2015-12-31	$-4,065,328
Total unrealized appreciation/depreciation of assets	2015-12-31	$-4,065,328
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	$32,630,783
Total loss/gain on sale of assets	2015-12-31	$1,307,874
Total of all expenses incurred	2015-12-31	$44,735,496
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2015-12-31	$44,329,162
Expenses. Certain deemed distributions of participant loans	2015-12-31	$30,954
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2015-12-31	$33,426,188
Value of total assets at end of year	2015-12-31	$511,566,345
Value of total assets at beginning of year	2015-12-31	$523,671,058
Total of administrative expenses incurred including professional, contract, advisory and management fees	2015-12-31	$375,380
Total interest from all sources	2015-12-31	$507,100
Total dividends received (eg from common stock, registered investment company shares)	2015-12-31	$22,870,387
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	$20,381,813
Administrative expenses professional fees incurred	2015-12-31	$23,500
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
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2015-12-31	$0
Were there any nonexempt tranactions with any party-in-interest	2015-12-31	No
Contributions received from participants	2015-12-31	$23,488,682
Participant contributions at end of year	2015-12-31	$9,652,514
Participant contributions at beginning of year	2015-12-31	$9,746,889
Assets. Other investments not covered elsewhere at end of year	2015-12-31	$11,242,453
Assets. Other investments not covered elsewhere at beginning of year	2015-12-31	$11,671,544
Income. Received or receivable in cash from other sources (including rollovers)	2015-12-31	$959,502
Other income not declared elsewhere	2015-12-31	$-1,064,151
Administrative expenses (other) incurred	2015-12-31	$68,048
Total non interest bearing cash at end of year	2015-12-31	$138,612
Total non interest bearing cash at beginning of year	2015-12-31	$11,529
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	$-12,104,713
Value of net assets at end of year (total assets less liabilities)	2015-12-31	$511,566,345
Value of net assets at beginning of year (total assets less liabilities)	2015-12-31	$523,671,058
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
Investment advisory and management fees	2015-12-31	$283,832
Value of interest in registered invesment companies (eg mutual funds) at end of year	2015-12-31	$355,831,753
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2015-12-31	$358,470,667
Interest on participant loans	2015-12-31	$506,827
Value of interest in common/collective trusts at end of year	2015-12-31	$72,341,567
Value of interest in common/collective trusts at beginning of year	2015-12-31	$74,354,022
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2015-12-31	$273
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2015-12-31	$-20,922,662
Net investment gain or loss from common/collective trusts	2015-12-31	$571,375
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	$62,008,153
Assets. Invements in employer securities at beginning of year	2015-12-31	$69,184,131
Contributions received in cash from employer	2015-12-31	$8,978,004
Employer contributions (assets) at end of year	2015-12-31	$351,293
Employer contributions (assets) at beginning of year	2015-12-31	$232,276
Income. Dividends from preferred stock	2015-12-31	$340
Income. Dividends from common stock	2015-12-31	$2,488,234
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2015-12-31	$44,329,162
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	$12,139,286
Aggregate carrying amount (costs) on sale of assets	2015-12-31	$10,831,412
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	MAYER HOFFMAN MCCANN PC
Accountancy firm EIN	2015-12-31	431947695
2014 : GREAT PLAINS ENERGY INCORPORATED 401K SAVINGS PLAN 2014 401k financial data
Unrealized appreciation/depreciation of other (non real estate) assets	2014-12-31	$8,880,521
Total unrealized appreciation/depreciation of assets	2014-12-31	$8,880,521
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	$68,937,730
Total loss/gain on sale of assets	2014-12-31	$1,676,224
Total of all expenses incurred	2014-12-31	$41,965,961
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2014-12-31	$41,541,768
Expenses. Certain deemed distributions of participant loans	2014-12-31	$50,644
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2014-12-31	$31,636,048
Value of total assets at end of year	2014-12-31	$523,671,058
Value of total assets at beginning of year	2014-12-31	$496,699,289
Total of administrative expenses incurred including professional, contract, advisory and management fees	2014-12-31	$373,549
Total interest from all sources	2014-12-31	$501,527
Total dividends received (eg from common stock, registered investment company shares)	2014-12-31	$20,366,410
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	$17,880,239
Was this plan covered by a fidelity bond	2014-12-31	Yes
Value of fidelity bond cover	2014-12-31	$25,000,000
If this is an individual account plan, was there a blackout period	2014-12-31	No
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2014-12-31	$0
Were there any nonexempt tranactions with any party-in-interest	2014-12-31	No
Contributions received from participants	2014-12-31	$22,688,956
Participant contributions at end of year	2014-12-31	$9,746,889
Participant contributions at beginning of year	2014-12-31	$9,367,674
Assets. Other investments not covered elsewhere at end of year	2014-12-31	$11,671,544
Assets. Other investments not covered elsewhere at beginning of year	2014-12-31	$10,115,857
Income. Received or receivable in cash from other sources (including rollovers)	2014-12-31	$254,793
Other income not declared elsewhere	2014-12-31	$145,605
Total non interest bearing cash at end of year	2014-12-31	$11,529
Total non interest bearing cash at beginning of year	2014-12-31	$27,896
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	$26,971,769
Value of net assets at end of year (total assets less liabilities)	2014-12-31	$523,671,058
Value of net assets at beginning of year (total assets less liabilities)	2014-12-31	$496,699,289
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
Investment advisory and management fees	2014-12-31	$373,549
Value of interest in registered invesment companies (eg mutual funds) at end of year	2014-12-31	$358,470,667
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2014-12-31	$341,074,373
Interest on participant loans	2014-12-31	$500,293
Value of interest in common/collective trusts at end of year	2014-12-31	$74,354,022
Value of interest in common/collective trusts at beginning of year	2014-12-31	$71,040,739
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2014-12-31	$1,234
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2014-12-31	$856,900
Net investment gain or loss from common/collective trusts	2014-12-31	$4,874,495
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	$69,184,131
Assets. Invements in employer securities at beginning of year	2014-12-31	$64,897,286
Contributions received in cash from employer	2014-12-31	$8,692,299
Employer contributions (assets) at end of year	2014-12-31	$232,276
Employer contributions (assets) at beginning of year	2014-12-31	$175,464
Income. Dividends from preferred stock	2014-12-31	$23
Income. Dividends from common stock	2014-12-31	$2,486,148
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2014-12-31	$41,541,768
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	$13,371,179
Aggregate carrying amount (costs) on sale of assets	2014-12-31	$11,694,955
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	MAYER HOFFMAN MCCANN PC
Accountancy firm EIN	2014-12-31	431947695
2013 : GREAT PLAINS ENERGY INCORPORATED 401K SAVINGS PLAN 2013 401k financial data
Unrealized appreciation/depreciation of other (non real estate) assets	2013-12-31	$11,422,293
Total unrealized appreciation/depreciation of assets	2013-12-31	$11,422,293
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	$110,146,428
Total loss/gain on sale of assets	2013-12-31	$-517
Total of all expenses incurred	2013-12-31	$47,693,868
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2013-12-31	$47,371,879
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2013-12-31	$29,818,372
Value of total assets at end of year	2013-12-31	$496,699,289
Value of total assets at beginning of year	2013-12-31	$434,246,729
Total of administrative expenses incurred including professional, contract, advisory and management fees	2013-12-31	$321,989
Total interest from all sources	2013-12-31	$533,400
Total dividends received (eg from common stock, registered investment company shares)	2013-12-31	$15,103,621
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	$12,518,773
Was this plan covered by a fidelity bond	2013-12-31	Yes
Value of fidelity bond cover	2013-12-31	$25,000,000
If this is an individual account plan, was there a blackout period	2013-12-31	No
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2013-12-31	$0
Were there any nonexempt tranactions with any party-in-interest	2013-12-31	No
Contributions received from participants	2013-12-31	$21,285,480
Participant contributions at end of year	2013-12-31	$9,367,674
Participant contributions at beginning of year	2013-12-31	$10,724,787
Assets. Other investments not covered elsewhere at end of year	2013-12-31	$10,115,857
Assets. Other investments not covered elsewhere at beginning of year	2013-12-31	$8,381,075
Income. Received or receivable in cash from other sources (including rollovers)	2013-12-31	$301,505
Other income not declared elsewhere	2013-12-31	$1,307,158
Total non interest bearing cash at end of year	2013-12-31	$27,896
Total non interest bearing cash at beginning of year	2013-12-31	$86,279
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	$62,452,560
Value of net assets at end of year (total assets less liabilities)	2013-12-31	$496,699,289
Value of net assets at beginning of year (total assets less liabilities)	2013-12-31	$434,246,729
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
Investment advisory and management fees	2013-12-31	$321,989
Value of interest in registered invesment companies (eg mutual funds) at end of year	2013-12-31	$341,074,373
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2013-12-31	$289,618,779
Interest on participant loans	2013-12-31	$531,673
Value of interest in common/collective trusts at end of year	2013-12-31	$71,040,739
Value of interest in common/collective trusts at beginning of year	2013-12-31	$62,905,957
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2013-12-31	$1,727
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2013-12-31	$45,063,877
Net investment gain or loss from common/collective trusts	2013-12-31	$6,898,224
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	$64,897,286
Assets. Invements in employer securities at beginning of year	2013-12-31	$62,381,396
Contributions received in cash from employer	2013-12-31	$8,231,387
Employer contributions (assets) at end of year	2013-12-31	$175,464
Employer contributions (assets) at beginning of year	2013-12-31	$148,456
Income. Dividends from common stock	2013-12-31	$2,584,848
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2013-12-31	$47,371,879
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	$15,664,557
Aggregate carrying amount (costs) on sale of assets	2013-12-31	$15,665,074
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	MAYER HOFFMAN MCCANN PC
Accountancy firm EIN	2013-12-31	431947695
2012 : GREAT PLAINS ENERGY INCORPORATED 401K SAVINGS PLAN 2012 401k financial data
Unrealized appreciation/depreciation of other (non real estate) assets	2012-12-31	$-3,240,104
Total unrealized appreciation/depreciation of assets	2012-12-31	$-3,240,104
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	$68,714,397
Total loss/gain on sale of assets	2012-12-31	$-796,994
Total of all expenses incurred	2012-12-31	$31,324,986
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2012-12-31	$31,141,665
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2012-12-31	$29,008,782
Value of total assets at end of year	2012-12-31	$434,246,729
Value of total assets at beginning of year	2012-12-31	$396,857,318
Total of administrative expenses incurred including professional, contract, advisory and management fees	2012-12-31	$183,321
Total interest from all sources	2012-12-31	$578,951
Total dividends received (eg from common stock, registered investment company shares)	2012-12-31	$11,322,647
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	$8,657,304
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
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	$20,554,091
Participant contributions at end of year	2012-12-31	$10,724,787
Participant contributions at beginning of year	2012-12-31	$9,976,750
Assets. Other investments not covered elsewhere at end of year	2012-12-31	$8,381,075
Assets. Other investments not covered elsewhere at beginning of year	2012-12-31	$7,614,571
Income. Received or receivable in cash from other sources (including rollovers)	2012-12-31	$581,599
Value of other receiveables (less allowance for doubtful accounts) at end of year	2012-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2012-12-31	$1,822,640
Total non interest bearing cash at end of year	2012-12-31	$86,279
Total non interest bearing cash at beginning of year	2012-12-31	$330,211
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	$37,389,411
Value of net assets at end of year (total assets less liabilities)	2012-12-31	$434,246,729
Value of net assets at beginning of year (total assets less liabilities)	2012-12-31	$396,857,318
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
Investment advisory and management fees	2012-12-31	$183,321
Value of interest in registered invesment companies (eg mutual funds) at end of year	2012-12-31	$289,618,779
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2012-12-31	$253,401,594
Interest on participant loans	2012-12-31	$575,431
Value of interest in common/collective trusts at end of year	2012-12-31	$62,905,957
Value of interest in common/collective trusts at beginning of year	2012-12-31	$53,944,348
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2012-12-31	$3,520
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2012-12-31	$28,246,491
Net investment gain or loss from common/collective trusts	2012-12-31	$3,594,624
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	$62,381,396
Assets. Invements in employer securities at beginning of year	2012-12-31	$69,642,927
Contributions received in cash from employer	2012-12-31	$7,873,092
Employer contributions (assets) at end of year	2012-12-31	$148,456
Employer contributions (assets) at beginning of year	2012-12-31	$124,277
Income. Dividends from common stock	2012-12-31	$2,665,343
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2012-12-31	$31,141,665
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	$11,328,908
Aggregate carrying amount (costs) on sale of assets	2012-12-31	$12,125,902
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	DELOITTE & TOUCHE LLP
Accountancy firm EIN	2012-12-31	133891517
2011 : GREAT PLAINS ENERGY INCORPORATED 401K SAVINGS PLAN 2011 401k financial data
Unrealized appreciation/depreciation of other (non real estate) assets	2011-12-31	$9,729,943
Total unrealized appreciation/depreciation of assets	2011-12-31	$9,729,943
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	$37,917,514
Total loss/gain on sale of assets	2011-12-31	$-2,459,521
Total of all expenses incurred	2011-12-31	$53,321,708
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2011-12-31	$53,251,934
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2011-12-31	$29,816,383
Value of total assets at end of year	2011-12-31	$396,857,318
Value of total assets at beginning of year	2011-12-31	$412,261,512
Total of administrative expenses incurred including professional, contract, advisory and management fees	2011-12-31	$69,774
Total interest from all sources	2011-12-31	$561,857
Total dividends received (eg from common stock, registered investment company shares)	2011-12-31	$9,002,171
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	$6,182,754
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
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	$21,177,559
Participant contributions at end of year	2011-12-31	$9,976,750
Participant contributions at beginning of year	2011-12-31	$9,530,279
Assets. Other investments not covered elsewhere at end of year	2011-12-31	$7,614,571
Assets. Other investments not covered elsewhere at beginning of year	2011-12-31	$7,563,520
Income. Received or receivable in cash from other sources (including rollovers)	2011-12-31	$590,860
Value of other receiveables (less allowance for doubtful accounts) at end of year	2011-12-31	$1,822,640
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2011-12-31	$0
Total non interest bearing cash at end of year	2011-12-31	$330,211
Total non interest bearing cash at beginning of year	2011-12-31	$21,511
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	$-15,404,194
Value of net assets at end of year (total assets less liabilities)	2011-12-31	$396,857,318
Value of net assets at beginning of year (total assets less liabilities)	2011-12-31	$412,261,512
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
Investment advisory and management fees	2011-12-31	$69,774
Value of interest in registered invesment companies (eg mutual funds) at end of year	2011-12-31	$253,401,594
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2011-12-31	$277,499,704
Interest on participant loans	2011-12-31	$556,867
Interest earned on other investments	2011-12-31	$4,990
Value of interest in common/collective trusts at end of year	2011-12-31	$53,944,348
Value of interest in common/collective trusts at beginning of year	2011-12-31	$49,152,695
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2011-12-31	$-10,478,702
Net investment gain or loss from common/collective trusts	2011-12-31	$1,745,383
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	$69,642,927
Assets. Invements in employer securities at beginning of year	2011-12-31	$68,362,068
Contributions received in cash from employer	2011-12-31	$8,047,964
Employer contributions (assets) at end of year	2011-12-31	$124,277
Employer contributions (assets) at beginning of year	2011-12-31	$131,735
Income. Dividends from common stock	2011-12-31	$2,819,417
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2011-12-31	$53,251,934
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	$16,770,227
Aggregate carrying amount (costs) on sale of assets	2011-12-31	$19,229,748
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	DELOITTE & TOUCHE LLP
Accountancy firm EIN	2011-12-31	133891517
2010 : GREAT PLAINS ENERGY INCORPORATED 401K SAVINGS PLAN 2010 401k financial data
Unrealized appreciation/depreciation of other (non real estate) assets	2010-12-31	$3,111,339
Total unrealized appreciation/depreciation of assets	2010-12-31	$3,111,339
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	$72,144,141
Total loss/gain on sale of assets	2010-12-31	$-2,417,414
Total of all expenses incurred	2010-12-31	$32,365,707
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2010-12-31	$32,286,620
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2010-12-31	$29,094,349
Value of total assets at end of year	2010-12-31	$412,261,512
Value of total assets at beginning of year	2010-12-31	$372,483,078
Total of administrative expenses incurred including professional, contract, advisory and management fees	2010-12-31	$79,087
Total interest from all sources	2010-12-31	$662,253
Total dividends received (eg from common stock, registered investment company shares)	2010-12-31	$8,396,838
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	$5,510,112
Administrative expenses professional fees incurred	2010-12-31	$4,310
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
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	$20,690,837
Participant contributions at end of year	2010-12-31	$9,530,279
Participant contributions at beginning of year	2010-12-31	$8,600,308
Assets. Other investments not covered elsewhere at end of year	2010-12-31	$7,563,520
Assets. Other investments not covered elsewhere at beginning of year	2010-12-31	$6,590,546
Income. Received or receivable in cash from other sources (including rollovers)	2010-12-31	$529,872
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2010-12-31	$120,452
Total non interest bearing cash at end of year	2010-12-31	$21,511
Total non interest bearing cash at beginning of year	2010-12-31	$23,335
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	$39,778,434
Value of net assets at end of year (total assets less liabilities)	2010-12-31	$412,261,512
Value of net assets at beginning of year (total assets less liabilities)	2010-12-31	$372,483,078
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
Investment advisory and management fees	2010-12-31	$74,777
Value of interest in registered invesment companies (eg mutual funds) at end of year	2010-12-31	$277,499,704
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2010-12-31	$247,514,281
Interest on participant loans	2010-12-31	$577,361
Interest earned on other investments	2010-12-31	$84,892
Value of interest in common/collective trusts at end of year	2010-12-31	$49,152,695
Value of interest in common/collective trusts at beginning of year	2010-12-31	$42,444,267
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2010-12-31	$30,216,819
Net investment gain or loss from common/collective trusts	2010-12-31	$3,079,957
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	$68,362,068
Assets. Invements in employer securities at beginning of year	2010-12-31	$67,259,761
Contributions received in cash from employer	2010-12-31	$7,873,640
Employer contributions (assets) at end of year	2010-12-31	$131,735
Employer contributions (assets) at beginning of year	2010-12-31	$50,580
Income. Dividends from common stock	2010-12-31	$2,886,726
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2010-12-31	$32,166,168
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	$8,753,842
Aggregate carrying amount (costs) on sale of assets	2010-12-31	$11,171,256
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	DELOITTE & TOUCHE LLP
Accountancy firm EIN	2010-12-31	133891517
2009 : GREAT PLAINS ENERGY INCORPORATED 401K SAVINGS PLAN 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 GREAT PLAINS ENERGY INCORPORATED 401K SAVINGS PLAN

2017: GREAT PLAINS ENERGY INCORPORATED 401K SAVINGS PLAN 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	No
2017-01-01	Plan funding arrangement – Trust	Yes
2017-01-01	Plan benefit arrangement - Trust	Yes
2016: GREAT PLAINS ENERGY INCORPORATED 401K SAVINGS 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	No
2016-01-01	Plan funding arrangement – Trust	Yes
2016-01-01	Plan benefit arrangement - Trust	Yes
2015: GREAT PLAINS ENERGY INCORPORATED 401K SAVINGS 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	No
2015-01-01	Plan funding arrangement – Trust	Yes
2015-01-01	Plan benefit arrangement - Trust	Yes
2014: GREAT PLAINS ENERGY INCORPORATED 401K SAVINGS PLAN 2014 form 5500 responses
2014-01-01	Type of plan entity	Single employer plan
2014-01-01	Submission has been amended	Yes
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	No
2014-01-01	Plan funding arrangement – Trust	Yes
2014-01-01	Plan benefit arrangement - Trust	Yes
2013: GREAT PLAINS ENERGY INCORPORATED 401K SAVINGS 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	No
2013-01-01	Plan funding arrangement – Trust	Yes
2013-01-01	Plan benefit arrangement - Trust	Yes
2012: GREAT PLAINS ENERGY INCORPORATED 401K SAVINGS 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	No
2012-01-01	Plan funding arrangement – Trust	Yes
2012-01-01	Plan benefit arrangement - Trust	Yes
2011: GREAT PLAINS ENERGY INCORPORATED 401K SAVINGS 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	No
2011-01-01	Plan funding arrangement – Trust	Yes
2011-01-01	Plan benefit arrangement - Trust	Yes
2009: GREAT PLAINS ENERGY INCORPORATED 401K SAVINGS PLAN 2009 form 5500 responses
2009-01-01	Type of plan entity	Single employer plan
2009-01-01	Submission has been amended	Yes
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	No
2009-01-01	Plan funding arrangement – Trust	Yes
2009-01-01	Plan benefit arrangement - Trust	Yes

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Company Name:	GREAT PLAINS ENERGY INCORPORATED
Employer identification number (EIN):	431916803
NAIC Classification:	221100