APN Starfirst, L.P.
Adams Electric Coop
AmerenAmeren Energy Marketing
Blue Star Energy Services
Cairo Public Utility Company
Champion Energy Services
City of Albany
City of Allendale
City of Altamont
City of Batavia
City of Breese
City of Bushnell
City of Carlyle
City of Carmi
City of Casey
City of Fairfield
City of Farmer City
City of Flora
City of Geneseo
City of Geneva
City of Highland
City of Marshall
City of Mascoutah
City of McLeansboro
City of Metropolis
City of Naperville
City of Newton
City of Oglesby
City of Peru
City of Princeton
City of Red Bud
City of Rock Falls
City of Roodhouse
City of Springfield
City of St Charles
City of Sullivan
City of Waterloo
Clay Electric Coop Inc
Clinton County Elec Coop, Inc
Coles-Moultrie Electric Coop
ConocoPhillips Company
Consolidated Edison Sol Inc
Constellation NewEnergy, Inc
Corn Belt Energy Corporation
Direct Energy Services
Eastern Illini Electric Co-op
Egyptian Electric Coop Assn
Electric Energy Inc
EnerStar Power Electric Cooperative, Association
Exelon Energy Company
Farmers Mutual Electric Co
First Energy Solutions Corp.
Freeburg Village of
GEXA Corp.
Glacial Energy Holdings
Hudson Energy Services
Illinois Municipal Elec Agency
Illinois Rural Electric Coop
Integrys Energy Services, Inc.
Jo-Carroll Energy Coop Inc
Liberty Power Corp.
Linde Energy Services, Inc.
M J M Electric Cooperative Inc
MC Squared Energy Services, LLC
McDonough Power Coop
Menard Electric Coop
MidAmerican Energy - IllinoisMonroe County Elec Coop, Inc
Morris Cogeneration LLC
Mt Carmel Public Utility Co
Nick's Utility
Noble Americas Energy Solutions LLC
Norris Electric Coop
PEPCO Energy Services
Prairie Power, Inc
Rochelle Municipal Utilities
Rock Energy Cooperative
Rural Electric Conven Coop
Shelby Electric Coop, Inc
Southeastern IL Elec Coop, Inc
Southern Illinois Elec Coop
Southern Illinois Power Coop
Southwestern Electric Coop Inc
Spoon River Electric Coop, Inc
Strategic Energy LLC
Suez Energy Resources North America
Tri-County Electric Coop, Inc
University of Illinois
Village of Bethany
Village of Chatham
Village of Greenup
Village of Ladd
Village of Rantoul
Village of Riverton
Wayne-White Counties Elec Coop
Western Illinois Elec Coop
Winnetka Village of
