The following list contains all of the Member organizations within SERC:
Associated Electric Cooperative, Inc.
Big Rivers Electric Corporation
East Kentucky Power Cooperative
Georgia System Operations Corporation
Georgia Transmission Corporation
Louisiana Generating, LLC
North Carolina Electric Membership Corporation
Oglethorpe Power Corporation
Old Dominion Electric Cooperative
Piedmont Electric Membership Corporation
PowerSouth Energy Cooperative
Prairie Power, Inc.
South Mississippi Electric Power Association
Southern Illinois Power Cooperative
South Carolina Public Service Authority
Southeastern Power Administration
Tennessee Valley Authority
Alabama Power Company
Ameren Services Company
Duke Energy Carolinas
Duke Energy Progress, Inc.
Florida Power & Light Company
Georgia Power Company
Gulf Power Company
LG&E and KU Services Company as agent for Louisville Gas and Electric Company and Kentucky Utilities Company
Mississippi Power Company
South Carolina Electric & Gas Company
Southern Company Services, Inc. - Trans
Virginia Electric and Power Company (DP, LSE, TO)
ACES Power Marketing
Alcoa Power Generating, Inc.
DTE Energy Trading, Inc.
Tenaska Power Services Co.
The Energy Authority, Inc.
Merchant Electricity Generators (8)
Brookfield Smoky Mountain Hydropower LLC
Cogentrix Energy Power Management, LLC
Electric Energy, Inc.
Entegra Power Group LLC
Exelon Generation Company, LLC – Constellation
Occidental Chemical Corporation
Alabama Municipal Electric Authority
City of Columbia, MO
City of Springfield, IL - CWLP
ElectriCities of North Carolina, Inc.
Fayetteville Public Works Commission
Illinois Municipal Electric Agency
Municipal Electric Authority of Georgia
Owensboro, KY Municipal Utilities
Midcontinent Independent System Operator, Inc.
PJM Interconnection, LLC
Southwest Power Pool, Inc.