AEP Ohio serves nearly 1.5 million customers in Ohio. We provide power to more than 920 communities located in 61 of the state's 88 counties. Our headquarters is in Gahanna, with regulatory and external affairs offices in downtown Columbus. A subsidiary of American Electric Power and the largest of its regional utility divisions, AEP Ohio consists of Ohio Power Company.
AEP Ohio is part of the American Electric Power 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 more than 40,000-mile network that includes more 765 kilovolt extra-high voltage transmission lines than all other U.S. transmission systems combined. AEP's transmission system directly
or indirectly serves about 10 percent of the electricity demand in the Eastern Interconnection,
the interconnected transmission system that covers 38 eastern and central U.S. states
and eastern Canada, and approximately 11 percent of the electricity demand in ERCOT,
the transmission system that covers much of Texas. AEP's utility units operate
as AEP Ohio, AEP Texas, Appalachian Power (in Virginia and West Virginia), AEP Appalachian
Power (in Tennessee), Indiana Michigan Power, Kentucky Power, Public Service Company
of Oklahoma, and Southwestern Electric Power Company (in Arkansas, Louisiana and
east Texas). AEP's headquarters are in Columbus, Ohio. For more information,
see our corporate web site, AEP.com.