Regulatory Matters - Georgia Power, Projects Under Construction (Details) - GEORGIA POWER CO	Jun. 30, 2026 MW
McGrau Ford Phase 2
Public Utilities, General Disclosures [Line Items]
Approximate nameplate capacity	265
McGrau Ford Phase 1
Public Utilities, General Disclosures [Line Items]
Approximate nameplate capacity	265
Hammond Phase 1
Public Utilities, General Disclosures [Line Items]
Approximate nameplate capacity	58
Hammond Phase 2
Public Utilities, General Disclosures [Line Items]
Approximate nameplate capacity	193
Twiggs County
Public Utilities, General Disclosures [Line Items]
Approximate nameplate capacity	200
Wadley
Public Utilities, General Disclosures [Line Items]
Approximate nameplate capacity	260
Plant Bowen, Phase 1
Public Utilities, General Disclosures [Line Items]
Approximate nameplate capacity	250
Plant Bowen, Phase 2
Public Utilities, General Disclosures [Line Items]
Approximate nameplate capacity	250
South Hall
Public Utilities, General Disclosures [Line Items]
Approximate nameplate capacity	250
Plant Wansley
Public Utilities, General Disclosures [Line Items]
Approximate nameplate capacity	500
Plant Yates, Phase 1
Public Utilities, General Disclosures [Line Items]
Approximate nameplate capacity	320
Plant Yates, Phase 2
Public Utilities, General Disclosures [Line Items]
Approximate nameplate capacity	250
Thomson
Public Utilities, General Disclosures [Line Items]
Approximate nameplate capacity	500
Plant McIntosh
Public Utilities, General Disclosures [Line Items]
Approximate nameplate capacity	250
Laurens County
Public Utilities, General Disclosures [Line Items]
Approximate nameplate capacity	200
Plant Mitchell
Public Utilities, General Disclosures [Line Items]
Approximate nameplate capacity	150
Plant Bowen Unit 7
Public Utilities, General Disclosures [Line Items]
Approximate nameplate capacity	741
Plant Bowen Unit 8
Public Utilities, General Disclosures [Line Items]
Approximate nameplate capacity	741
Plant Wansley Unit 10
Public Utilities, General Disclosures [Line Items]
Approximate nameplate capacity	727
Plant Wansley Unit 11
Public Utilities, General Disclosures [Line Items]
Approximate nameplate capacity	727
Plant McIntosh Unit 12
Public Utilities, General Disclosures [Line Items]
Approximate nameplate capacity	757
Plant Yates Unit 8
Public Utilities, General Disclosures [Line Items]
Approximate nameplate capacity	442
Plant Yates Unit 9
Public Utilities, General Disclosures [Line Items]
Approximate nameplate capacity	442
Plant Yates Unit 10
Public Utilities, General Disclosures [Line Items]
Approximate nameplate capacity	442
Robins
Public Utilities, General Disclosures [Line Items]
Nameplate capacity placed in service	128
Moody
Public Utilities, General Disclosures [Line Items]
Nameplate capacity placed in service	50