Utilities
Alabama Electric
Alamo Hydroelectric
American Electric Power
American Energy
Atlantic Electric
Austin Energy
Boston Edison
Brazos Electric Cooperative
California Energy
Carolina Electric & Gas
City of Bremerton
City of Camarilo
CMS Energy
City of Farmington
City of Los Alamos
City of Los Angeles
City of Salina
City of St. Petersburg
Con Edison
Eagle Point
Key Span
Florida Power & Light
Freeport Electric
Long Island Lighting Co.
Marketspan
MidAmerican Energy Co.
Muscatine Power National Grid
Niagra Falls
Northeast Nuclear
Ocean County Utilities
Oklahoma Energy
Passaic Valley
Pennsylvania Power Philadelphia Electric
Potomac Electric Power
Public Service Electric
Rentech Energy
South Carolina Electric
STP Nuclear
Tampa Electric
Texas Genco
Turner Electric
TVA  Paradise
United Illuminating
United Water
Wisvest Connecticut