Delaware
˙Ambit Energy
˙Calpine
˙Delmarva Power (a subsidiary of Pepco Holdings, Inc.)
˙City of Milford Electric Department
˙Delaware Electric Cooperative, NRG Energy
District of Columbia
˙Ambit Energy
˙PEPCO
Florida
˙Florida Power & Light
˙Florida Municipal Power Agency
˙Florida Public UtilityCompany Palm Beach
˙Gainesville Regional Utilities
˙Gulf Power, a part of the Southern Company,
˙JEA
˙Kissimmee Utility Authority
˙Lakeland Electric
˙Lake Worth Utilities
˙LCEC
˙Ocala Electric
˙Orlando Utilities Commission
˙Duke Energy
˙City of Tallahassee utilities
˙TECO
˙Fort Pierce Utilities Authority (Fort Pierce, Florida)
Georgia
˙Georgia Natural Gas
˙Scana Energy
˙Flint Energies
˙Georgia Power, a part of the Southern Company
˙Tennessee Valley Authority
˙Oglethorpe Power Corporation
Hawaii
˙Hawaiian Electric Industries (Hawaiian Electric Company (HELCO))
˙Kauai Island Utility Cooperative (KIUC)
Idaho
˙Avista Utilities
˙IDACORP (Idaho Power)
˙Clearwater Power
˙PacifiCorp (Rocky Mountain Power)
˙Kootenai Electric Cooperative
˙Northern Lights
Illinois
