Appalachian Power serves about 1 million customers in West Virginia, Virginia and Tennessee. Appalachian Power is part of the American Electric Power (AEP) system, one of the largest electric utilities in the United States, delivering electricity to more than 5 million customers in 11 states. AEP ranks among the nation’s largest generators of electricity, owning nearly 38,000 megawatts of generating capacity in the U.S. AEP also owns the nation’s largest electricity transmission system, a nearly 39,000-mile network that includes more 765 kilovolt extra-high voltage transmission lines than all other U.S. transmission systems combined. 

Virginia SCC Tariff No. 26 Appalachian Power Co.