Public Utilities go Results Found: 4 Button group with nested dropdown Duke Energy 330 S. Pike W. Sumter SC 29150 (800) 452-2777 Black River Electric Cooperative Black River Electric Cooperative 1121 N Pike W Sumter SC 29151 (803) 469-8060 Dominion Energy Dominion Energy 520 Farmers Telephone Rd. Sumter SC 29153 (803) 217-1150 High Hills Rural Water Co. High Hills Rural Water Co. 2720 Peach Orchard Rd. Dalzell SC 29040 (803) 499-4118 Mark Your Calendar View All Events