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Regulatory Matters - APC Plant Greene County (Details) $ in Millions |  | 1 Months Ended |
--- | --- | --- | ---
May 08, 2024 $ / KWH_Kilowatt_hour | Jan. 31, 2026 $ / KWH_Kilowatt_hour | Jul. 31, 2024 USD ($) $ / KWH_Kilowatt_hour | Apr. 26, 2024 MW
MISSISSIPPI POWER CO | Plant Greene County Units 1 and 2 |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |
Proportionate ownership share |  |  |  | 40.00%
Required fossil-stream generation retirements (in MWs) | MW |  |  |  | 206
ALABAMA POWER CO |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |
Current billing rates under rate ECR (usd per KWH) | 0.03270 |  |  |
ALABAMA POWER CO | Scenario, Forecast |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |
Current billing rates under rate ECR (usd per KWH) |  | 0.05910 |  |
ALABAMA POWER CO | Subsequent Event |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |
Current billing rates under rate ECR (usd per KWH) |  |  | 0.03015 |
Current billing rates under rate ECR, amount | $ |  |  | $ 135 |
ALABAMA POWER CO | Plant Greene County Units 1 and 2 |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |
Proportionate ownership share |  |  |  | 60.00%
Required fossil-stream generation retirements (in MWs) | MW |  |  |  | 300

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