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PROPERTY, PLANT, AND EQUIPMENT - Property, Plant and Equipment (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Electric utilities: |  |
Generation | $ 61,292 | $ 57,325
Transmission | 16,280 | 15,561
Distribution | 28,678 | 26,482
General/other | 6,547 | 6,305
Electric utilities' plant in service | 112,797 | 105,673
Southern Company Gas: |  |
Natural gas transportation and distribution | 18,896 | 17,798
Storage facilities | 1,748 | 1,565
Other | 1,694 | 1,477
Southern Company Gas plant in service | 22,338 | 20,840
Other plant in service | 2,008 | 1,915
Total plant in service | 137,143 | 128,428
Alabama Power |  |
Electric utilities: |  |
Generation | 16,801 | 16,584
Transmission | 6,449 | 6,152
Distribution | 10,373 | 9,775
General/other | 2,878 | 2,918
Electric utilities' plant in service | 36,501 | 35,429
Southern Company Gas: |  |
Natural gas transportation and distribution | 0 | 0
Storage facilities | 0 | 0
Other | 0 | 0
Southern Company Gas plant in service | 0 | 0
Other plant in service | 0 | 0
Total plant in service | 36,501 | 35,429
Georgia Power |  |
Electric utilities: |  |
Generation | 26,089 | 22,587
Transmission | 8,800 | 8,402
Distribution | 16,887 | 15,380
General/other | 3,260 | 3,001
Electric utilities' plant in service | 55,036 | 49,370
Southern Company Gas: |  |
Natural gas transportation and distribution | 0 | 0
Storage facilities | 0 | 0
Other | 0 | 0
Southern Company Gas plant in service | 0 | 0
Other plant in service | 0 | 0
Total plant in service | 55,036 | 49,370
Mississippi Power |  |
Electric utilities: |  |
Generation | 2,946 | 2,909
Transmission | 989 | 966
Distribution | 1,418 | 1,327
General/other | 344 | 321
Electric utilities' plant in service | 5,697 | 5,523
Southern Company Gas: |  |
Natural gas transportation and distribution | 0 | 0
Storage facilities | 0 | 0
Other | 0 | 0
Southern Company Gas plant in service | 0 | 0
Other plant in service | 0 | 0
Total plant in service | 5,697 | 5,523
Southern Power |  |
Electric utilities: |  |
Generation | 14,920 | 14,649
Transmission | 0 | 0
Distribution | 0 | 0
General/other | 41 | 41
Electric utilities' plant in service | 14,961 | 14,690
Southern Company Gas: |  |
Natural gas transportation and distribution | 0 | 0
Storage facilities | 0 | 0
Other | 0 | 0
Southern Company Gas plant in service | 0 | 0
Other plant in service | 0 | 0
Total plant in service | 14,961 | 14,690
Southern Company Gas |  |
Electric utilities: |  |
Generation | 0 | 0
Transmission | 0 | 0
Distribution | 0 | 0
General/other | 0 | 0
Electric utilities' plant in service | 0 | 0
Southern Company Gas: |  |
Natural gas transportation and distribution | 18,896 | 17,798
Storage facilities | 1,748 | 1,565
Other | 1,694 | 1,477
Southern Company Gas plant in service | 22,338 | 20,840
Other plant in service | 0 | 0
Total plant in service | $ 22,338 | $ 20,840

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