ACQUISITIONS AND DISPOSITIONS - Schedule of Acquisition (Details) - SOUTHERN POWER CO - MW |
1 Months Ended | |
|---|---|---|
May 31, 2020 |
Mar. 31, 2020 |
|
| Business Acquisition [Line Items] | ||
| Approximate nameplate capacity (in MWs) | 300 | |
| Beech Ridge II | ||
| Business Acquisition [Line Items] | ||
| Approximate nameplate capacity (in MWs) | 56 | |
| PPA Contract Period | 12 years | |
| Beech Ridge II | Beech Ridge II | ||
| Business Acquisition [Line Items] | ||
| Ownership percentage by parent | 100.00% |