Exhibit 21(a)
Subsidiaries of the Registrant(1)
Name of Company | Jurisdiction of Organization | |||||||
The Southern Company | Delaware | |||||||
Alabama Power Company | Alabama | |||||||
Alabama Property Company | Alabama | |||||||
Southern Electric Generating Company | Alabama | |||||||
Georgia Power Company | Georgia | |||||||
Piedmont-Forrest Corporation | Georgia | |||||||
Southern Electric Generating Company | Alabama | |||||||
Mississippi Power Company | Mississippi | |||||||
Southern Power Company | Delaware | |||||||
SP Deuel Harvest Wind Energy Class B Holdings, LLC | Delaware | |||||||
SP Deuel Harvest Wind Energy Holdings, LLC (2) | Delaware | |||||||
Deuel Harvest Wind Energy Holdings, LLC (3) | Delaware | |||||||
Deuel Harvest Wind Energy, LLC | Delaware | |||||||
SP Diamond State Class B Holdings, LLC | Delaware | |||||||
Diamond State Generation Partners, LLC (4) | Delaware | |||||||
Beech Ridge Energy II Holdings, LLC (5) | Delaware | |||||||
Beech Ridge Energy II, LLC | Delaware | |||||||
SP Skookumchuck Investments, LLC (6) | Delaware | |||||||
SP Skookumchuck Holdings, LLC (7) | Delaware | |||||||
SP Skookumchuck Wind Energy Project, LLC | Delaware | |||||||
Reading Wind Energy Class B Holdings, LLC | Delaware | |||||||
Reading Wind Energy Holding, LLC (8) | Delaware | |||||||
Reading Wind Energy, LLC | Delaware | |||||||
SP Roserock Investment, Inc. | Delaware | |||||||
RE Roserock Holdings, LLC (9) | Delaware | |||||||
RE Roserock LLC | Delaware | |||||||
Southern Renewable Energy, Inc. | Delaware | |||||||
Glass Sands Wind Energy, LLC | Delaware | |||||||
SP Wildhorse Class B Holdings, LLC | Delaware | |||||||
SP Wildhorse Holdings, LLC (10) | Delaware | |||||||
Wildhorse Wind Energy, LLC | Delaware | |||||||
SP Solar GP, Inc. | Delaware | |||||||
SP Solar Holdings I, LP (11) | Delaware | |||||||
SP Solar Storage Class B Holdings, LLC (12) | Delaware | |||||||
SP Solar Storage OpCo, LLC (13) | Delaware | |||||||
SP Garland Solar Storage, LLC | Delaware | |||||||
SP Tranquillity Solar Storage, LLC | Delaware | |||||||
BNB Lamesa Solar, LLC | Delaware | |||||||
East Pecos Solar, LLC | Delaware | |||||||
SP Butler Solar, LLC | Delaware | |||||||
SP Butler Solar Farm, LLC | Delaware |
SP Decatur County Solar, LLC | Delaware | |||||||
SP Decatur Parkway Solar, LLC | Delaware | |||||||
SP Pawpaw Solar, LLC | Delaware | |||||||
SP Sandhills Solar, LLC | Delaware | |||||||
SP Solar Farms, LLC | Delaware | |||||||
Adobe Solar, LLC | Delaware | |||||||
Apex Nevada Solar, LLC | Delaware | |||||||
Calipatria, LLC | Delaware | |||||||
Campo Verde Solar, LLC | Delaware | |||||||
Granville Solar, LLC | Delaware | |||||||
Macho Springs Solar, LLC | Delaware | |||||||
Macho Springs Solar 2, LLC | Delaware | |||||||
Morelos Solar, LLC | Delaware | |||||||
Rutherford Farm, LLC | Delaware | |||||||
Spectrum Nevada Solar, LLC | Delaware | |||||||
SP Cimarron I, LLC | Delaware | |||||||
SP Cimarron Capital, LLC | Delaware | |||||||
Southern Renewable Partnerships, LLC | Delaware | |||||||
BSP Holding Company, LLC (14) | Delaware | |||||||
Boulder Solar Power Parent, LLC | Delaware | |||||||
Boulder Solar Power, LLC | Delaware | |||||||
Desert Stateline Holdings, LLC (15) | Delaware | |||||||
Desert Stateline, LLC | Delaware | |||||||
Lost Hills Blackwell Holdings, LLC (14) | Delaware | |||||||
Lost Hills Solar Holdco, LLC | Delaware | |||||||
Lost Hills Solar, LLC | Delaware | |||||||
Blackwell Solar Holdings, LLC | Delaware | |||||||
Blackwell Solar, LLC | Delaware | |||||||
NS Solar Holdings, LLC (14) | Delaware | |||||||
North Star Solar, LLC | Delaware | |||||||
Parrey Holding Company, LLC (14) | Delaware | |||||||
Parrey Parent, LLC | Delaware | |||||||
Parrey, LLC | Delaware | |||||||
RE Silverlake Holdings, LLC (14) | Delaware | |||||||
RE Garland Holdings LLC | Delaware | |||||||
RE Garland, LLC | Delaware | |||||||
RE Garland A, LLC | Delaware | |||||||
RE Tranquillity Holdings, LLC (14) | Delaware | |||||||
RE Tranquillity, LLC | Delaware | |||||||
RE Tranquillity BAAH, LLC | Delaware | |||||||
SG2 Holdings, LLC (14) | Delaware | |||||||
SG2 Imperial Valley LLC | Delaware | |||||||
SP Wind Holdings II, LLC (16) | Delaware | |||||||
Bethel Wind Farm Class B Holdings, LLC | Delaware | |||||||
Bethel Wind Farm Holdings, LLC | Delaware |
Bethel Wind Farm, LLC | Delaware | |||||||
Grant Plains Wind, LLC | Delaware | |||||||
Grant Wind, LLC | Delaware | |||||||
Grant County Interconnect, LLC (17) | Delaware | |||||||
Kay Wind, LLC | Delaware | |||||||
Passadumkeag Windpark, LLC | Delaware | |||||||
Salt Fork Wind, LLC | Delaware | |||||||
Tyler Bluff Wind Project, LLC | Delaware | |||||||
WWH LLC (18) | Delaware | |||||||
Wake Wind Class B Holdings LLC | Delaware | |||||||
Wake Wind Holdings, LLC | Delaware | |||||||
Wake Wind Energy, LLC | Delaware | |||||||
SP TEP Class B Holdings I, Inc. | Delaware | |||||||
SP Gaskell West 1 Class B Holdings, LLC | Delaware | |||||||
SP Gaskell West 1 Holdings, LLC (19) | Delaware | |||||||
RE Gaskell West 1, LLC | Delaware | |||||||
SP Wind Development Holdings, LLC | Delaware | |||||||
SP TEP Formations, Inc. | Delaware | |||||||
SP Cactus Flats Class B Holdings, LLC | Delaware | |||||||
Cactus Flats Holdings, LLC (20) | Delaware | |||||||
SP Cactus Flats Wind Energy, LLC | Delaware | |||||||
Millers Branch Solar, LLC | Delaware | |||||||
South Cheyenne Solar, LLC | Delaware | |||||||
Southern Company Gas | Georgia | |||||||
Southern Company Gas Capital Corporation | Nevada | |||||||
Atlanta Gas Light Company | Georgia | |||||||
Georgia Natural Gas Company | Georgia | |||||||
SouthStar Energy Services LLC | Delaware | |||||||
Ottawa Acquisition LLC | Illinois | |||||||
Northern Illinois Gas Company (21) | Illinois | |||||||
Southern Company Gas Investments, Inc. | Georgia | |||||||
Southern Company Gas Pipeline Holdings LLC | Georgia | |||||||
Evergreen Enterprise Holdings LLC | Georgia | |||||||
Virginia Natural Gas, Inc. | Georgia |
(1)This information is as of December 31, 2023. In addition, this list omits certain subsidiaries pursuant to paragraph (b)(21)(ii) of Regulation S-K, Item 601.
(2)SP Deuel Harvest Wind Energy Class B Holdings, LLC and Southern Renewable Energy, Inc. own 99% and 1% of the Class B membership interests, respectively, in the tax equity partnership.
(3)SP Deuel Harvest Wind Energy Holdings, LLC owns 80%.
(4)SP Diamond State Class B Holdings, LLC owns 100% of the Class B membership interests.
(5)Southern Power Company owns 100% of the Class A membership interests and is entitled to 90% of all cash distributions.
(6)Southern Power Company owns 51%.
(7)SP Skookumchuck Investment, LLC owns 100% of the Class B membership interests in the tax equity partnership.
(8)Reading Wind Energy Class B Holdings, LLC owns 100% of the Class B membership interests in the tax equity partnership.
(9)Southern Power Company owns 100% of the Class A membership interests and is entitled to 51% of all cash distributions and SP Roserock Investment Inc. owns 100% of the Class B membership interests and is entitled to 49% of all cash distributions
(10)SP Wildhorse Class B Holdings, LLC owns 100% of the Class B membership interests in the tax equity partnership.
(11)Southern Renewable Energy, Inc. and SP Solar GP, Inc. own 66% and 1%, respectively.
(12)SP Solar Holdings I, LP and SP Solar GP, Inc. own 98% and 2% of the Class A membership interests, respectively, as well as 50% and 1% of the entirety of the entities through their Class A membership interests, respectively.
(13)SP Solar Storage Class B Holdings, LLC owns 100% of the Class B membership interests in the tax equity partnership.
(14)Southern Renewable Partnerships, LLC owns 100% of the Class A membership interests and is entitled to 51% of all cash distributions.
(15)Southern Renewable Partnerships, LLC owns 100% of the Class A membership interests and is entitled to 66% of all cash distributions.
(16)Southern Renewable Energy, Inc. owns 100% of the Class B membership interests in the tax equity partnership.
(17)Grant Wind, LLC and Grant Plains Wind, LLC own 50.4% and 49.6%, respectively.
(18)SP Wind Holdings II, LLC owns 90.1%.
(19)SP Gaskell West 1 Class B Holdings, LLC owns 100% of the Class B membership interests in the tax equity partnership.
(20)SP Cactus Flats Class B Holdings, LLC and SP TEP Class B Holdings I, Inc. own 95% and 5%, respectively, of the Class B membership interests in the tax equity partnership.
(21)Doing business as Nicor Gas Company.