Allegheny Energy Supply Company, LLC
American Electric Power Service Corporation, as agent for the Operating Companies of American Electric Power Company, Inc. consisting of Appalachian Power Company, Central Power & Light Company, Columbus Southern Power Company, Indiana Michigan Power Company, Kentucky Power Company, Ohio Power Company, Public Service Company of Oklahoma, Southwestern Electric Power Company and West Texas Utilities Company.
Aquila Merchant Services, Inc.
Carolina Power & Light Company
Cinergy Services, Inc. on behalf of the Cinergy Operating Companies
Constellation Power Source, Inc.
Coral Power, L.L.C.
The Detroit Edison Company
DTE Energy Trading
Duke Energy Trading and Marketing, L.L.C.
Dynegy Power Marketing, Inc.
Edison Mission Marketing and Trading
El Paso Merchant Energy, L.P.
Engage Energy America LLC
Entergy-Koch Trading, LP
Exelon Generation Company, LLC
Florida Power Corporation
H.Q. Energy Services (U.S.) Inc.
MidAmerican Energy Company
Mirant Americas Energy Marketing, LP
Morgan Stanley Capital Group Inc.
Northern Indiana Public Service Company
Progress Ventures, Inc.
Reliant Energy Services, Inc.
Sempra Energy Trading Corp.
Tenaska Power Services Co.
Tractebel Energy Marketing, Inc.
TransAlta Energy Marketing U.S. Inc.