The Energy Cooperative (TEC) Share: Utility Companies The Energy Cooperative (TEC) Visit Website Request Info 1500 Granville Road Newark, OH 43055 (800) 255-6815 About Map About The Energy Cooperative (TEC) is a member owned utility serving electric, natural gas and propane to more than 60,000 residential, industrial and commercial member/owners in eleven central Ohio countie View Larger Map