The following list contains all of the Member organizations within SERC:
Cooperative (14)
Associated Electric Cooperative, Inc.
Big Rivers Electric Corporation
East Kentucky Power Cooperative
French Broad Electric Membership Corporation
Georgia System Operations Corporation
Georgia Transmission Corporation
Louisiana Generating, LLC
N.C. Electric Membership Corp.
Oglethorpe Power Corporation
Old Dominion Electric Cooperative
PowerSouth Energy Cooperative
Prairie Power, Inc.
South Mississippi Electric Power Association
Southern Illinois Power Cooperative
Federal/State (3)
South Carolina Public Service Authority
Southeastern Power Administration
Tennessee Valley Authority
IOU (20)
Alabama Power Company
Ameren
Duke Energy Carolinas
E.ON U.S. Services Inc. for LG&E & KU Companies
Electric Energy, Inc.
Entergy Arkansas, Inc.
Entergy Gulf States Louisiana, L.L.C.
Entergy Louisiana, LLC
Entergy Mississippi, Inc.
Entergy New Orleans, Inc.
Entergy Texas, Inc.
Florida Power & Light Company
Georgia Power Company
Gulf Power Company
Mississippi Power Company
Progress Energy Carolinas
South Carolina Electric & Gas Company
Southern Company Services, Inc. - Trans
Tampa Electric Company
Virginia Electric and Power Company (DP, LSE, TO, TP)
Marketer (9)
ACES Power Marketing
Alcoa Power Generating, Inc.
Cargill Power Markets, LLC
Constellation Energy Commodities Group, Inc.
DTE Energy Trading, Inc.
PPL EnergyPlus
Shell Energy
Tenaska Power Services Co.
The Energy Authority
Merchant Electricity Generators (6)
Cogentrix Energy, Inc.
Constellation Energy Control and Dispatch
Dynegy
Entegra Power Group LLC
GDF SUEZ SA
Magnolia Energy, LP
Municipal (9)
Alabama Municipal Electric Authority
City of Columbia, MO
City of Springfield, IL - CWLP
Fayetteville Public Works Commission
Illinois Municipal Electric Agency
Municipal Electric Authority of Georgia
North Carolina Eastern Municipal Power Agency
North Carolina Municipal Power Agency #1
Owensboro, KY Municipal Utilities
RTO/ISO (2)
Midwest ISO
PJM Interconnection, LLC