Substations & Service Area

Substations house equipment that reduces high voltage electricity so it can be used by residential and commercial customers safely. Serving over 28,500 customers, Alcoa Electric maintains six main substations to ensure proper operating voltage to bring you reliable and affordable power each day.

For questions about substations and service areas, please call us at 865-380-4890.

Communities Served by Substations


Chandler Substation


  • Alcoa Highway
  • Bear Hollow
  • Jackson Bend
  • Jones Bend
  • Mentor
  • Topside Road

Proffitt Springs Substation


  • Airport
  • Alnwick
  • Hamilton Crossing
  • Hunters Crossing
  • Louisville
  • Louisville Road
  • Springbrook Corporate Center
  • Walmart
  • West Hunt

Duncan Substation


  • Bassel
  • Eagleton Village
  • Hall Road
  • Knoxville-McGhee-Tyson Airport
  • Lakemont
  • Martin Mill
  • McArthur Road
  • Meadowbrook
  • Midland
  • Overlook
  • Payne Avenue
  • Rock Gardens
  • Springbrook

Wildwood Substation


  • 411 Highway
  • Cold Springs
  • Ellejoy
  • River Ford
  • Temple Road
  • Wildwood
  • Yankee Hill

Blockhouse Substation


  • Blockhouse
  • Carpenters
  • Chilhowee
  • Forrest Hill
  • Hubbard
  • Laws Chapel
  • Montvale
  • Old Piney
  • Six Mile

Heritage Substation


  • Cold Springs
  • Davis Ford
  • East and West Millers Cove
  • Ellejoy
  • Heritage
  • Hubbard
  • Laurel Valley
  • Rocky Branch
  • Walland