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Stock Based Compensation | 6 Months Ended
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Jun. 30, 2024
Stock-Based Compensation [Abstract] |
Stock-Based Compensation | 5. Stock-Based Compensation The following table presents the Registrants' pre-tax compensation expense and related income tax benefit for the three and six months ended June 30, 2024 and 2023 related to performance units and restricted stock units for the Registrants' employees.
|  | OGE Energy |  |  | OG&E |
|  | Three Months Ended |  |  | Six Months Ended |  |  | Three Months Ended |  |  | Six Months Ended |
|  | June 30, |  |  | June 30, |  |  | June 30, |  |  | June 30, |
(In millions) |  | 2024 |  |  | 2023 |  |  | 2024 |  |  | 2023 |  |  | 2024 |  |  | 2023 |  |  | 2024 |  |  | 2023 |
Performance units |  | $ | 2.2 |  |  | $ | 2.3 |  |  | $ | 4.4 |  |  | $ | 4.5 |  |  | $ | 2.2 |  |  | $ | 0.6 |  |  | $ | 4.4 |  |  | $ | 1.1 |
Restricted stock units |  |  | 1.1 |  |  |  | 1.0 |  |  |  | 2.1 |  |  |  | 1.8 |  |  |  | 1.1 |  |  |  | 0.3 |  |  |  | 2.1 |  |  |  | 0.4 |
Total compensation expense |  | $ | 3.3 |  |  | $ | 3.3 |  |  | $ | 6.5 |  |  | $ | 6.3 |  |  | $ | 3.3 |  |  | $ | 0.9 |  |  | $ | 6.5 |  |  | $ | 1.5 |
Income tax benefit |  | $ | 0.8 |  |  | $ | 0.8 |  |  | $ | 1.6 |  |  | $ | 1.5 |  |  | $ | 0.8 |  |  | $ | 0.2 |  |  | $ | 1.6 |  |  | $ | 0.3 |
During the six months ended June 30, 2024, OGE Energ y issued 255,578 share s of new common stock pursuant to OGE Energy's Stock Incentive Plan to satisfy payouts of earned performance units and restricted stock unit grants to the Registrants' employees. During the six months ended June 30, 2024, OGE Energy granted 275,499 performance units (based on total shareholder return over a three-year period) and 148,345 restricted stock units (three-year cliff vesting period) to the Registrants' employees at $35.86 and $32.74 fair value per share, respectively. As a result of OGE Energy's exit of its former midstream business and becoming primarily an electric company, all employees are directly employed by OG&E beginning in 2024.

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