Energy Auction Participants
as of March 23, 2010

Associated Electric Cooperative, Inc.
ArcLight Energy Marketing, LLC
Calpine Energy Services, L.P.
Cargill Power Markets, LLC
Constellation Energy Commodities Group
ConocoPhillips Company
Progress Energy Carolinas, Inc.
Duke Energy Carolinas, LLC
EDF Trading North America, LLC
BNP Paribas Energy Trading GP
Progress Energy Florida, Inc.
JP Morgan Ventures Energy Corporation
Merrill Lynch Commodities Inc.
Oglethorpe Power Corporation
PPL EnergyPlus, LLC
Rainbow Energy Marketing Corporation
South Carolina Electric & Gas Company
Southern Company Services, Inc.
The Energy Authority
Tenaska Power Services Co.
Tennessee Valley Authority
Union Power Partners, LP
Westar Energy, Inc.