O PERATING C OMPANIES OUR REGULATED COMPANIES We serve nearly 5.5 million customers in our regulated service territory, spanning more than 200,000 square miles in 11 states. Maintaining the nation’s largest electricity transmission system and more than 223,000 miles of distribution lines, we deliver safe, reliable power to customers in Arkansas, Indiana, Kentucky, Louisiana, Michigan, Ohio, Oklahoma, Tennessee, Texas, Virginia and West Virginia. Customer Service Customers can pay their bill, report an outage, and manage their account through the operating company websites. AEP Ohio 1.5 million customers AEP Texas 1 million customers Appalachian Power 1 million customers Indiana Michigan Power 600,000 customers Kentucky Power 170,000 customers Public Service Company of Oklahoma 560,000 customers Southwestern Electric Power Company 540,000 customers National Customers Business customers with national accounts should visit AEPNationalCustomers.com ECONOMIC DEVELOPMENT Helping you find a location that will help you create jobs, drive local economic growth, and build the places we call home. Learn more B2B & SUPPLIERS RECREATION ENVIRONMENT SAFETY & HEALTH Use of this site constitutes acceptance of the AEP Terms and Conditions. © 1996-2021 American Electric Power Company, Inc. All Rights Reserved. REQUIRED INTERNET POSTINGS | SITEMAP | DO NOT SELL MY PERSONAL INFO | PRIVACY POLICY