{"transactions":[{"id":4077101,"issuer":{"id":3216,"kind":"organization","name":"NRG ENERGY, INC.","symbol":"NRG"},"owners":[{"id":169786,"kind":"person","name":"Chillemi John V","position":1,"cik":"0001662532","reported_name":"Chillemi John V","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP,Nat'l Bus. Dev."}}],"security":"Common Stock, par value, $.01 per share","published_at":"2018-02-05T22:05:31.000Z","date":"2018-02-01","kind":"grant","acquired":true,"shares":166,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents dividend equivalent rights accrued on the Reporting Person's restricted stock units, market stock units or relative performance stock units, which become exercisable proportionately with the restricted stock units, market stock units or relative performance stock units to which they relate and may only be settled in NRG common stock. Each dividend equivalent right is the economic equivalent of one share of NRG common stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 2,041 dividend equivalent rights."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 238 shares of common stock acquired pursuant to a dividend reinvestment feature in a brokerage account that has been suspended."}],"balance_after":78695,"source":{"system":"sec-edgar","filing":"0001179110-18-001556","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1013871/000117911018001556/edgar.xml","form_type":"4"}},{"id":4105950,"issuer":{"id":3216,"kind":"organization","name":"NRG ENERGY, INC.","symbol":"NRG"},"owners":[{"id":169786,"kind":"person","name":"Chillemi John V","position":1,"cik":"0001662532","reported_name":"Chillemi John V","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP,Nat'l Bus. Dev."}}],"security":"Common Stock, par value, $.01 per share","published_at":"2018-01-05T22:37:14.000Z","date":"2018-01-03","kind":"tax_withholding","acquired":false,"shares":4590,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On January 3, 2017 Mr. Chillemi was issued 26,253 Restricted Stock Units (\"RSUs\") by NRG Energy, Inc.  under NRG's Stock Plan for GenOn Employees Long Term Incentive Plan (\"LTIP\").  Each RSU is equivalent in value to one share of NRG's Common Stock, par value $.01. On January 3, 2018, 8,742 shares vested.  Mr.  Chillemi elected to satisfy his tax obligation upon the exchange of common stock for RSUs having a value on the date of the exchange equal to the withholding obligation. This form reflects the surrender of 4,590 shares of common stock to satisfy the grantee's tax withholding obligation."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"53 DERs converted in NRG common stock in connection with the vesting of the RSUs described above.  Following these transactions, the reporting person holds 1,875 DERs in the aggregate. Dividend equivalent rights accrue on the reporting person's restricted stock units or market stock units which become exercisable proportionately with the restricted stock units or market stock units to which they relate and may only be settled in NRG common stock. Each dividend equivalent right is the economic equivalent of one share of NRG common stock."}],"balance_after":78291,"source":{"system":"sec-edgar","filing":"0001179110-18-000637","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1013871/000117911018000637/edgar.xml","form_type":"4"}},{"id":4108523,"issuer":{"id":3216,"kind":"organization","name":"NRG ENERGY, INC.","symbol":"NRG"},"owners":[{"id":169786,"kind":"person","name":"Chillemi John V","position":1,"cik":"0001662532","reported_name":"Chillemi John V","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP,Nat'l Bus. Dev."}}],"security":"Market Stock Units","published_at":"2018-01-04T23:00:29.000Z","date":"2018-01-02","kind":"exercise","acquired":false,"shares":11052,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"The Reporting Person was issued 11,052 Market Stock Units by NRG under the NRG Energy, Inc. 2010 Stock Plan for GenOn Employees on January 2, 2015 that vested on January 2, 2018. On the vesting date the Reporting Person was entitled to receive a maximum of 22,104 shares of Common Stock if the company achieved 100% increase in total shareholder return since the grant date (the \"Maximum\"), 11,052 shares of Common Stock if there is no change in total shareholder return since the grant date (the \"Target\"), or 8,289 shares of Common Stock if there is a 25% decrease in total shareholder return since the grant date (the \"Threshold\"). The Reporting Person would not have received any shares of Common Stock if total shareholder return had decreased by more than 25% since the grant date. The number of shares of Common Stock that the Reporting Person could have received is interpolated for total shareholder return falling between Threshold, Target and Maximum level.He vested in 11,954 shares."}],"balance_after":0,"derivative":{"exercise_date":"2018-01-02","expiration_date":"2018-01-02","underlying":"Common Stock, par value $.01 per share","underlying_shares":22104},"source":{"system":"sec-edgar","filing":"0001179110-18-000527","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1013871/000117911018000527/edgar.xml","form_type":"4"}},{"id":4108522,"issuer":{"id":3216,"kind":"organization","name":"NRG ENERGY, INC.","symbol":"NRG"},"owners":[{"id":169786,"kind":"person","name":"Chillemi John V","position":1,"cik":"0001662532","reported_name":"Chillemi John V","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP,Nat'l Bus. Dev."}}],"security":"Relative Performance Stock Units","published_at":"2018-01-04T23:00:29.000Z","date":"2018-01-02","kind":"grant","acquired":true,"shares":18695,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F9","text":"The Reporting Person was issued 18,695 Relative Performance Stock Units (\"RPSUs\") by NRG Energy, Inc. under the LTIP on January 2, 2018. The RPSUs will convert to shares of NRG Common Stock on January 2, 2021 only in the event the Company has achieved a certain level of total shareholder return (\"TSR\") relative to the Peer Group (defined below) over a three-year performance period. The number of shares of Common Stock that the Reporting Person may receive is interpolated for TSR falling between Threshold, Target, and Maximum levels as described below."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F10","text":"Reporting Person will receive (i) a maximum of 37,390 shares of Common Stock if Company's TSR is ranked at or above the 75th percentile relative to a peer group of companies approved by the Company's Compensation Committee (the \"Peer Group\") for the performance period (the \"Maximum\"); (ii) 18,695 shares of Common Stock if Company's TSR is ranked at the 55th percentile relative  to the Peer Group for the performance period (the \"Target\"); provided, however, if TSR is less than negative fifteen percent (-15%), the Company's TSR must be ranked at the 65th percentile relative to the Peer Group for the performance period to receive the Target award; or (iii) 4,674 shares of Common Stock if Company's TSR is ranked at the 25th percentile relative to the Peer Group for the performance period (the \"Threshold\"). The Reporting Person will not receive any shares of Common Stock if Company's TSR is below the 25th percentile relative to the Peer Group for the performance period."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F11","text":"The Maximum award that the Reporting Person will receive shall not exceed six (6) times the fair market value of the Target award, determined as of the date of grant."}],"balance_after":18695,"derivative":{"exercise_date":"2021-01-02","expiration_date":"2021-01-02","underlying":"Common Stock, par value $.01 per share","underlying_shares":37390},"source":{"system":"sec-edgar","filing":"0001179110-18-000527","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1013871/000117911018000527/edgar.xml","form_type":"4"}},{"id":4108521,"issuer":{"id":3216,"kind":"organization","name":"NRG ENERGY, INC.","symbol":"NRG"},"owners":[{"id":169786,"kind":"person","name":"Chillemi John V","position":1,"cik":"0001662532","reported_name":"Chillemi John V","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP,Nat'l Bus. Dev."}}],"security":"Common Stock, par value $.01 per share","published_at":"2018-01-04T23:00:29.000Z","date":"2018-01-02","kind":"tax_withholding","acquired":false,"shares":3309,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F7","text":"On January 2, 2015, Mr. Chillemi was issued 6,000 Restricted Stock Units (\"RSUs\") by NRG Energy, Inc. under NRG Energy, Inc. 2010 Stock Plan for GenOn Employees. Each RSU is equivalent in value to one share of NRG's Common Stock, par value $.01. On January 2, 2018, 6,000 shares vested. Mr. Chillemi elected to satisfy his tax obligation upon the exchange of common stock for RSUs having a value on the date of the exchange equal to the withholding obligation. This form reflects the surrender of 3,309 shares of common stock to satisfy the grantee's tax withholding obligation."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F8","text":"In connection with the vesting of the RSUs described above, 341 DERs vested, resulting in the reporting person holding 1,928 dividend equivalent rights in the aggregate. Dividend equivalent rights accrue on the reporting person's restricted stock units, market stock units or relative performance stock units, which become exercisable proportionately with the restricted stock units, market stock units or relative performance stock units to which they relate and may only be settled in NRG common stock. Each dividend equivalent right is the economic equivalent of one share of NRG common stock."}],"balance_after":82881,"source":{"system":"sec-edgar","filing":"0001179110-18-000527","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1013871/000117911018000527/edgar.xml","form_type":"4"}},{"id":4108520,"issuer":{"id":3216,"kind":"organization","name":"NRG ENERGY, INC.","symbol":"NRG"},"owners":[{"id":169786,"kind":"person","name":"Chillemi John V","position":1,"cik":"0001662532","reported_name":"Chillemi John V","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP,Nat'l Bus. Dev."}}],"security":"Common Stock, par value $.01 per share","published_at":"2018-01-04T23:00:29.000Z","date":"2018-01-02","kind":"tax_withholding","acquired":false,"shares":6801,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The Reporting Person elected to satisfy his tax withholding obligation upon the exchange of common stock for MSUs having a value on the date of the exchange equal to the withholding obligation. This form reflects the surrender of 6,801 shares of common stock to satisfy the grantee's tax withholding obligation."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F6","text":"In connection with the vesting of the MSUs described above, 680 DERs vested, resulting in the reporting person holding 2,269 dividend equivalent rights in the aggregate. Dividend equivalent rights accrue on the reporting person's restricted stock units, market stock units or relative performance stock units, which become exercisable proportionately with the restricted stock units, market stock units or relative performance stock units to which they relate and may only be settled in NRG common stock. Each dividend equivalent right is the economic equivalent of one share of NRG common stock."}],"balance_after":86190,"source":{"system":"sec-edgar","filing":"0001179110-18-000527","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1013871/000117911018000527/edgar.xml","form_type":"4"}},{"id":4108519,"issuer":{"id":3216,"kind":"organization","name":"NRG ENERGY, INC.","symbol":"NRG"},"owners":[{"id":169786,"kind":"person","name":"Chillemi John V","position":1,"cik":"0001662532","reported_name":"Chillemi John V","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP,Nat'l Bus. Dev."}}],"security":"Common Stock, par value $.01 per share","published_at":"2018-01-04T23:00:29.000Z","date":"2018-01-02","kind":"exercise","acquired":true,"shares":11954,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The Reporting Person was issued 11,052 Market Stock Units by NRG under the NRG Energy, Inc. 2010 Stock Plan for GenOn Employees on January 2, 2015 that vested on January 2, 2018. On the vesting date the Reporting Person was entitled to receive a maximum of 22,104 shares of Common Stock if the company achieved 100% increase in total shareholder return since the grant date (the \"Maximum\"), 11,052 shares of Common Stock if there is no change in total shareholder return since the grant date (the \"Target\"), or 8,289 shares of Common Stock if there is a 25% decrease in total shareholder return since the grant date (the \"Threshold\"). The Reporting Person would not have received any shares of Common Stock if total shareholder return had decreased by more than 25% since the grant date. The number of shares of Common Stock that the Reporting Person could have received is interpolated for total shareholder return falling between Threshold, Target and Maximum level.He vested in 11,954 shares."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"In connection with the vesting of the MSUs described above, an incremental 51 DERs vested, resulting in the reporting person holding 2,949 dividend equivalent rights in the aggregate. Dividend equivalent rights accrue on the reporting person's restricted stock units, market stock units or relative performance stock units, which become exercisable proportionately with the restricted stock units, market stock units or relative performance stock units to which they relate and may only be settled in NRG common stock. Each dividend equivalent right is the economic equivalent of one share of NRG common stock."}],"balance_after":92991,"source":{"system":"sec-edgar","filing":"0001179110-18-000527","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1013871/000117911018000527/edgar.xml","form_type":"4"}},{"id":4108518,"issuer":{"id":3216,"kind":"organization","name":"NRG ENERGY, INC.","symbol":"NRG"},"owners":[{"id":169786,"kind":"person","name":"Chillemi John V","position":1,"cik":"0001662532","reported_name":"Chillemi John V","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP,Nat'l Bus. Dev."}}],"security":"Common Stock, par value $.01 per share","published_at":"2018-01-04T23:00:29.000Z","date":"2018-01-02","kind":"grant","acquired":true,"shares":11397,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents Restricted Stock Units issued to the Reporting Person under NRG Energy, Inc.'s Amended and Restated  Long-Term Incentive Plan (\"LTIP\")."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Each RSU is equivalent in value to one share of NRG's Common Stock, par value $.01 per share. The Reporting Person will receive from NRG one such share of Common Stock for each RSU that will vest ratably over a three year period beginning on the first anniversary of the date of grant."}],"balance_after":80986,"source":{"system":"sec-edgar","filing":"0001179110-18-000527","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1013871/000117911018000527/edgar.xml","form_type":"4"}},{"id":4173407,"issuer":{"id":3216,"kind":"organization","name":"NRG ENERGY, INC.","symbol":"NRG"},"owners":[{"id":169786,"kind":"person","name":"Chillemi John V","position":1,"cik":"0001662532","reported_name":"Chillemi John V","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP,Nat'l Bus. Dev."}}],"security":"Common Stock, par value, $.01 per share","published_at":"2017-11-03T20:20:36.000Z","date":"2017-11-01","kind":"grant","acquired":true,"shares":173,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents dividend equivalent rights accrued on the Reporting Person's restricted stock units, market stock units or relative performance stock units, which becomes exercisable proportionately with the restricted stock units, market stock units or relative performance stock units to which they relate and may only be settled in NRG common stock. Each dividend equivalent right is the economic equivalent of one share of NRG common stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 2898 dividend equivalent rights."}],"balance_after":69589,"source":{"system":"sec-edgar","filing":"0001179110-17-013723","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1013871/000117911017013723/edgar.xml","form_type":"4"}},{"id":4244281,"issuer":{"id":3216,"kind":"organization","name":"NRG ENERGY, INC.","symbol":"NRG"},"owners":[{"id":169786,"kind":"person","name":"Chillemi John V","position":1,"cik":"0001662532","reported_name":"Chillemi John V","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP,Nat'l Bus. Dev."}}],"security":"Common Stock, par value, $.01 per share","published_at":"2017-08-04T01:00:27.000Z","date":"2017-08-01","kind":"grant","acquired":true,"shares":175,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents dividend equivalent rights accrued on the Reporting Person's restricted stock units, market stock units or relative performance stock units, which becomes exercisable proportionately with the restricted stock units, market stock units or relative performance stock units to which they relate and may only be settled in NRG common stock. Each dividend equivalent right is the economic equivalent of one share of NRG common stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 2725 dividend equivalent rights."}],"balance_after":69416,"source":{"system":"sec-edgar","filing":"0001179110-17-011093","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1013871/000117911017011093/edgar.xml","form_type":"4"}},{"id":4335899,"issuer":{"id":3216,"kind":"organization","name":"NRG ENERGY, INC.","symbol":"NRG"},"owners":[{"id":169786,"kind":"person","name":"Chillemi John V","position":1,"cik":"0001662532","reported_name":"Chillemi John V","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP,Nat'l Bus. Dev."}}],"security":"Common Stock, par value, $.01 per share","published_at":"2017-05-04T00:45:49.000Z","date":"2017-05-01","kind":"grant","acquired":true,"shares":257,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents dividend equivalent rights accrued on the Reporting Person's restricted stock units, market stock units or relative performance stock units, which becomes exercisable proportionately with the restricted stock units, market stock units or relative performance stock units to which they relate and may only be settled in NRG common stock. Each dividend equivalent right is the economic equivalent of one share of NRG common stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 2550 dividend equivalent rights."}],"balance_after":69241,"source":{"system":"sec-edgar","filing":"0001179110-17-006547","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1013871/000117911017006547/edgar.xml","form_type":"4"}},{"id":4469388,"issuer":{"id":3216,"kind":"organization","name":"NRG ENERGY, INC.","symbol":"NRG"},"owners":[{"id":169786,"kind":"person","name":"Chillemi John V","position":1,"cik":"0001662532","reported_name":"Chillemi John V","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP,Nat'l Bus. Dev."}}],"security":"Common Stock, par value, $.01 per share","published_at":"2017-02-04T01:02:33.000Z","date":"2017-02-01","kind":"grant","acquired":true,"shares":262,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents dividend equivalent rights accrued on the Reporting Person's restricted stock units, market stock units or relative performance stock units, which becomes exercisable proportionately with the restricted stock units, market stock units or relative performance stock units to which they relate and may only be settled in NRG common stock. Each dividend equivalent right is the economic equivalent of one share of NRG common stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes the conversion of 390 dividend equivalent rights (\"DERs\") in NRG common stock in connection with the vesting of the Restricted Stock Units issued to Reporting Person under NRG Energy, Inc.'s  Long Term Incentive Plan (\"LTIP\") resulting in the Reporting Person holding 2293 DERs in the aggregate."}],"balance_after":68984,"source":{"system":"sec-edgar","filing":"0001179110-17-001732","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1013871/000117911017001732/edgar.xml","form_type":"4"}},{"id":4499579,"issuer":{"id":3216,"kind":"organization","name":"NRG ENERGY, INC.","symbol":"NRG"},"owners":[{"id":169786,"kind":"person","name":"Chillemi John V","position":1,"cik":"0001662532","reported_name":"Chillemi John V","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP,Nat'l Bus. Dev."}}],"security":"Relative Performance Stock Units","published_at":"2017-01-06T01:08:20.000Z","date":"2017-01-03","kind":"grant","acquired":true,"shares":41207,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"The Reporting Person was issued 41,207 Relative Performance Stock Units (\"RPSUs\") by NRG under the LTIP on January 3, 2017. The RPSUs will convert to shares of NRG Common Stock on January 3, 2020 only in the event the Company has achieved a certain level of total shareholder return (\"TSR\") relative to the Peer Group (defined below) over a three-year performance period. The number of shares of Common Stock that the Reporting Person may receive is interpolated for TSR falling between Threshold, Target, and Maximum levels as described below."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F5","text":"The Reporting Person will receive (i) a maximum of 82,414 shares of Common Stock if the Company's TSR is ranked at or above the 75th percentile relative to a peer group of companies approved by the Company's Compensation Committee (the \"Peer Group\") for the performance period (the \"Maximum\"); (ii) 41,207 shares of Common Stock if the Company's TSR is ranked at the 55th percentile relative to the Peer Group for the performance period (the \"Target\"); provided, however, if TSR is less than negative fifteen percent (-15%), the Company's TSR must be ranked at the 65th percentile relative to the Peer Group for the performance period to receive the Target award; or (iii) 10,301 shares of Common Stock if the Company's TSR is ranked at the 25th percentile relative to the Peer Group for the performance period (the \"Threshold\"). The Reporting Person will not receive any shares of Common Stock if the Company's TSR is below the 25th percentile relative to the Peer Group for the performance period."}],"balance_after":41207,"derivative":{"exercise_date":"2020-01-03","expiration_date":"2020-01-03","underlying":"Common Stock, par value $.01 per share","underlying_shares":82414},"source":{"system":"sec-edgar","filing":"0001179110-17-000557","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1013871/000117911017000557/edgar.xml","form_type":"4"}},{"id":4499578,"issuer":{"id":3216,"kind":"organization","name":"NRG ENERGY, INC.","symbol":"NRG"},"owners":[{"id":169786,"kind":"person","name":"Chillemi John V","position":1,"cik":"0001662532","reported_name":"Chillemi John V","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP,Nat'l Bus. Dev."}}],"security":"Common Stock, par value, $.01 per share","published_at":"2017-01-06T01:08:20.000Z","date":"2017-01-03","kind":"grant","acquired":true,"shares":26253,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents Restricted Stock Units issued to Reporting Person under NRG Energy, Inc. 2010 Stock Plan for GenOn Employees  (\"LTIP\")."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Each RSU is equivalent in value to one share of NRG's Common Stock, par value $.01 per share."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"The Reporting Person will receive from NRG one such share of Common Stock for each RSU that will vest ratably over a three year period beginning on the first anniversary of the date of grant."}],"balance_after":68722,"source":{"system":"sec-edgar","filing":"0001179110-17-000557","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1013871/000117911017000557/edgar.xml","form_type":"4"}},{"id":4504159,"issuer":{"id":3216,"kind":"organization","name":"NRG ENERGY, INC.","symbol":"NRG"},"owners":[{"id":169786,"kind":"person","name":"Chillemi John V","position":1,"cik":"0001662532","reported_name":"Chillemi John V","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP,Nat'l Bus. Dev."}}],"security":"Market Stock Units","published_at":"2017-01-05T02:07:13.000Z","date":"2017-01-02","kind":"exercise","acquired":false,"shares":10518,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Mr. Chillemi was issued 10,518 Market Stock Units (\"MSUs\") by NRG under the LTIP on January 2, 2014 that vested on January 2, 2017. On the vesting date, he was entitled to receive a maximum of 21,036 shares of Common Stock if the Company has achieved a 100% increase in total shareholder return since the grant date (the \"Maximum\"); 10,518 shares of Common Stock if there is no change in total shareholder return since the grant date (the \"Target\"), or 7,889 shares of Common Stock if there is a 25% decrease in total shareholder return since the grant date (the \"Threshold\").  The number of shares of Common Stock that Mr. Chillemi may receive is interpolated for total shareholder return falling between Threshold, Target, and Maximum levels. On January 2, 2017, Mr. Chillemi did not receive any shares."}],"balance_after":0,"derivative":{"exercise_date":"2017-01-02","expiration_date":"2017-01-02","underlying":"Common Stock, par value $.01 per share","underlying_shares":21036},"source":{"system":"sec-edgar","filing":"0001179110-17-000431","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1013871/000117911017000431/edgar.xml","form_type":"4"}},{"id":4504158,"issuer":{"id":3216,"kind":"organization","name":"NRG ENERGY, INC.","symbol":"NRG"},"owners":[{"id":169786,"kind":"person","name":"Chillemi John V","position":1,"cik":"0001662532","reported_name":"Chillemi John V","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP,Nat'l Bus. Dev."}}],"security":"Common Stock, par value, $.01 per share","published_at":"2017-01-05T02:07:13.000Z","date":"2017-01-02","kind":"tax_withholding","acquired":false,"shares":3603,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On January 2, 2014, Mr. Chillemi was issued 5,773 Restricted Stock Units (\"RSUs\") by NRG Energy, Inc.  under NRG's Long Term Incentive Plan (\"LTIP\").  Each RSU is equivalent in value to one share of NRG's Common Stock, par value $.01. On January 2, 2017, 5,773 shares vested.  Mr. Chillemi elected to satisfy his tax obligation upon the exchange of common stock for RSUs having a value on the date of the exchange equal to the withholding obligation. This form is being filed to reflect the surrender of 3,603 shares of common stock to satisfy the grantee's tax withholding obligation."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Reflects a reduction of 728 dividend equivalent rights (\"DERs\") that were forfeited upon the vesting of the Market Stock Units described in Table II.  In addition, 399 DERs converted in NRG common stock in connection with the vesting of the RSUs described above.  Following these transactions, the reporting person holds 2,421 DERs in the aggregate. Dividend equivalent rights accrue on the reporting person's restricted stock units or market stock units, which become exercisable proportionately with the restricted stock units or market stock units to which they relate and may only be settled in NRG common stock. Each dividend equivalent right is the economic equivalent of one share of NRG common stock."}],"balance_after":42469,"source":{"system":"sec-edgar","filing":"0001179110-17-000431","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1013871/000117911017000431/edgar.xml","form_type":"4"}},{"id":4568531,"issuer":{"id":3216,"kind":"organization","name":"NRG ENERGY, INC.","symbol":"NRG"},"owners":[{"id":169786,"kind":"person","name":"Chillemi John V","position":1,"cik":"0001662532","reported_name":"Chillemi John V","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP,Nat'l Bus. Dev."}}],"security":"Common Stock, par value, $.01 per share","published_at":"2016-11-04T01:10:36.000Z","date":"2016-11-01","kind":"grant","acquired":true,"shares":261,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents dividend equivalent rights accrued on the Reporting Person's restricted stock units or market stock units, which becomes exercisable proportionately with the restricted stock units or market stock units to which they relate and may only be settled in NRG common stock. Each dividend equivalent right is the economic equivalent of one share of NRG common stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Reflects a de minimus adjustment to the number of dividend equivalent rights (DERs) by 2 DERs as a result of rounding fractional shares, resulting in the Reporting Person holding 3548 DERs in the aggregate."}],"balance_after":46800,"source":{"system":"sec-edgar","filing":"0001179110-16-031203","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1013871/000117911016031203/edgar.xml","form_type":"4"}}]}