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ACQUISITIONS AND DISPOSITIONS - Schedule of Construction Projects (Details) - Southern Power - MW | 1 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2022 | Dec. 31, 2021
Garland Solar Storage |  |  |
Business Acquisition [Line Items] |  |  |
Approximate Nameplate Capacity (MW) |  | 88 | 88
PPA Contract Period |  | 20 years |
Nameplate capacity placed in service (in MWs) |  | 15 | 73
Tranquility Solar Storage |  |  |
Business Acquisition [Line Items] |  |  |
Approximate Nameplate Capacity (MW) |  | 72 | 72
PPA Contract Period |  | 20 years |
Nameplate capacity placed in service (in MWs) |  |  | 32
Glass Sands |  |  |
Business Acquisition [Line Items] |  |  |
Approximate Nameplate Capacity (MW) |  |  | 118
PPA Contract Period |  |  | 12 years
Tranquillity Solar Storage |  |  |
Business Acquisition [Line Items] |  |  |
Nameplate capacity placed in service (in MWs) |  | 40 |
Tranquility Solar Storage | Class B Membership Interest | Tranquility Solar Storage |  |  |
Business Acquisition [Line Items] |  |  |
Noncontrolling ownership percentage sold by parent | 100.00% |  |
Garland Solar Storage | Class B Membership Interest | Garland Solar Storage |  |  |
Business Acquisition [Line Items] |  |  |
Noncontrolling ownership percentage sold by parent | 100.00% |  |
Glass Sands | Glass Sands |  |  |
Business Acquisition [Line Items] |  |  |
Noncontrolling ownership percentage held by parent | 100.00% |  |

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