Benton County Electric System ♦ Bolivar Energy Authority ♦ Brownsville Utility Department ♦ Carroll County Electrical Department ♦ Covington Electric System ♦ Dyersburg Electric System ♦ Humboldt Utilities Authority ♦ Jackson Energy Authority ♦ Lexington Electric System ♦ Memphis Light, Gas & Water Division ♦ Milan Public  Utilities Authority ♦ Newbern Electric Department ♦ Paris Utility Authority ♦ Ripley Power and Light ♦ Trenton Light & Water Department ♦ Union City Energy Authority ♦ Weakley County Municipal Electric System

Southeastern
 

Athens Utilities Board ♦ EPB of Chattanooga ♦ Cleveland Utilities ♦ Dayton Electric Department ♦ Etowah Utilities Department ♦ Loudon Utilities ♦ Rockwood Electric Utility ♦ Sweetwater Utilities Board

 

Alcoa Electric Department ♦ BrightRidge ♦ Bristol Tennessee Essential Services ♦ Clinton Utilities Board ♦ City of Elizabethton Electric Department ♦ Erwin Utilities ♦ Greeneville Light & Power System ♦ Harriman Utility Board ♦ Jellico Utilities ♦ Knoxville Utilities Board ♦ LaFollette Utilities ♦ Lenoir City Utilities Board ♦ City of Maryville Electric Department ♦ Morristown Utilities ♦ Newport Utilities ♦ City of Oak Ridge Electric Department ♦ Sevier County Electric System

 

Clarksville Department of Electricity ♦ Columbia Power & Water System ♦ Cookeville Department of Electricity ♦  Dickson Electric System ♦ Fayetteville Public Utilities ♦ Gallatin Department of Electricity ♦ Lawrenceburg Electric System ♦ Lewisburg Electric System ♦ McMinnville Electric System ♦ Mt. Pleasant Power System ♦ Nashville Electric System ♦ Pulaski Electric System ♦ Shelbyville Electric System ♦ Smithville Electric System ♦ Sparta Electric & Water System ♦ Springfield Electric Department ♦ Tullahoma Utilities Authority ♦ Winchester Utilities