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Changes in Capital Structure (Tables) | 3 Months Ended
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Mar. 31, 2022
Equity [Abstract] |
Changes in NRG's common shares issued and outstanding | As of March 31, 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 | 292,630 |  |  | — |  |  | 292,630 |
Shares repurchased | — |  |  | (4,830,389) |  |  | (4,830,389) |
Balance as of March 31, 2022 | 423,839,804 |  |  | (184,623,664) |  |  | 239,216,140 |
Shares issued under LTIPs | 13,213 |  |  | — |  |  | 13,213 |
Shares issued under ESPP | — |  |  | 68,941 |  |  | 68,941 |
Shares repurchased | — |  |  | (2,014,734) |  |  | (2,014,734) |
Balance as of April 30, 2022 | 423,853,017 |  |  | (186,569,457) |  |  | 237,283,560 |
Shares Repurchased | The following repurchases have been made during the three months ended March 31, 2022 and through April 30, 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(a) | 4,830,389 |  |  |  |  | $ | 187 |  |  |
Equivalent shares purchased in lieu of tax withholdings on equity compensation issuances(b) | 131,899 |  |  |  |  | 6 |  |  |
Total Share Repurchases during the three months ended March 31, 2022 | 4,962,288 |  |  | $38.78 |  | 193 |  |  |
Repurchases made during April 2022 | 2,014,734 |  |  |  |  | $ | 76 |  |  |
Equivalent shares purchased in lieu of tax withholdings on equity compensation issuances(b) | 5,465 |  |  |  |  | — |  |  |
Total Share Repurchases January 1, 2022 through April 30, 2022 | 6,982,487 |  |  | $38.55 |  | $ | 269 |  |  |
(a)Includes $10 million accrued as of March 31, 2022 (b)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 $43.03 and $39.19 for the three months ended March 31, 2022 and for April 2022, respectively

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