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Changes in Capital Structure (Tables) | 6 Months Ended
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Jun. 30, 2022
Equity [Abstract] |
Changes in NRG's common shares issued and outstanding | As of June 30, 2022 and December 31, 2021, the Company had 500,000,000 shares of common stock authorized. The following table reflects the changes in NRG's common stock issued and outstanding:
| Issued |  | Treasury |  | Outstanding
Balance as of December 31, 2021 | 423,547,174 |  |  | (179,793,275) |  |  | 243,753,899 |
Shares issued under LTIPs | 321,213 |  |  | — |  |  | 321,213 |
Shares issued under ESPP | — |  |  | 68,941 |  |  | 68,941 |
Shares repurchased | — |  |  | (8,998,032) |  |  | (8,998,032) |
Balance as of June 30, 2022 | 423,868,387 |  |  | (188,722,366) |  |  | 235,146,021 |
Shares issued under LTIPs | 1,121 |  |  | — |  |  | 1,121 |
Balance as of July 31, 2022 | 423,869,508 |  |  | (188,722,366) |  |  | 235,147,142 |
Shares Repurchased | The following repurchases have been made during the six months ended June 30, 2022, and through July 31, 2022:
| Total number of shares and share equivalents purchased |  | Average price paid per share and share equivalent |  | Amounts paid for shares and share equivalents purchased (in millions) |  |
2022 repurchases |  |  |  |  |  |  |
Repurchases | 8,998,032 |  |  |  |  | $ | 355 |  |  |
Equivalent shares purchased in lieu of tax withholdings on equity compensation issuances(a) | 138,581 |  |  |  |  | 6 |  |  |
Total Share Repurchases during the six months ended June 30, 2022 | 9,136,613 |  |  | $39.48 |  | 361 |  |  |
Equivalent shares purchased in July in lieu of tax withholdings on equity compensation issuances(a) | 635 |  |  |  |  | — |  |  |
Total Share Repurchases January 1, 2022 through July 31, 2022 | 9,137,248 |  |  | $39.48 |  | $ | 361 |  |  |
(a)NRG elected to pay cash for tax withholding on equity awards instead of issuing actual shares to management. The average price per equivalent shares withheld was $42.89 and $35.98 for the six months ended June 30, 2022 and for July 2022, respectively

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