Businessweek

American Electric Power Company, Inc. operates as an utility holding company. The service areas of the company’s public utility subsidiaries cover portions of the states of Arkansas, Indiana, Kentucky, Louisiana, Michigan, Ohio, Oklahoma, Tennessee, Texas, Virginia, and West Virginia. The generating and transmission facilities of the company’s public utility subsidiaries are interconnected and their operations are coordinated. Transmission networks are interconnected with distribution facilities in the territories served. The public utility subsidiaries of the company have provided electric service, including generation, transmission, and distribution, on an integrated basis to their retail customers. Subsidiaries Appalachian Power Company (APCo) APCo engages in the generation, transmission and distribution of electric power to approximately 960,000 retail customers in the southwestern portion of Virginia and southern West Virginia, and in supplying and marketing electric power at wholesale to other electric utility companies, municipalities, and other market participants. Among the principal industries served by APCo are paper, rubber, coal mining, textile mill products, and stone, clay, and glass products. In addition to its AEP System interconnections, APCo is interconnected with various nonaffiliated utility companies, such as Carolina Power & Light Company, Duke Carolina, and Virginia Electric and Power Company. Indiana Michigan Power Company (I&M) I&M engages in the generation, transmission, and distribution of electric power to approximately 584,000 retail customers in northern and eastern Indiana and southwestern Michigan, and in supplying and marketing electric power at wholesale to other electric utility companies, rural electric cooperatives, municipalities, and other market participants. Among the principal industries served are primary metals, transportation equipment, electrical and electronic machinery, fabricated metal products, rubber and chemicals and allied products, rubber products, and transportation equipment. In addition to its AEP System interconnections, I&M is interconnected with various nonaffiliated utility companies, such as Central Illinois Public Service Company; Duke Energy Ohio, Inc.; Commonwealth Edison Company; Consumers Energy Company; Illinois Power Company; Indianapolis Power & Light Company; Louisville Gas and Electric Company; Northern Indiana Public Service Company; Duke Indiana; and Richmond Power & Light Company. I&M is a member of Pennsylvania – New Jersey – Maryland regional transmission organization (PJM). Kentucky Power Company (KPCo) KPCo engages in the generation, transmission, and distribution of electric power to approximately 173,000 retail customers in an area in eastern Kentucky, and in supplying and marketing electric power at wholesale to other electric utility companies, municipalities, and other market participants. Among the principal industries served are petroleum refining, coal mining, and chemical production. In addition to its AEP System interconnections, KPCo is interconnected with various nonaffiliated utility companies, such as Kentucky Utilities Company and East Kentucky Power Cooperative Inc. KPCo is also interconnected with Tennessee Valley Authority (TVA). KPCo is a member of PJM. Kingsport Power Company (KGPCo) KGPCo provides electric service to approximately 47,000 retail customers in Kingsport and 8 neighboring communities in northeastern Tennessee. KGPCo is a member of PJM. It purchases electric power from APCo for distribution to its customers. Ohio Power Company (OPCo) OPCo engages in the generation, transmission, and distribution of electric power to approximately 1,459,000 retail customers in Ohio, and in supplying and marketing electric power at wholesale to other electric utility companies, municipalities, and other market participants. OPCo also provides generation capacity to support shopping customer load. Among the principal industries served by OPCo are primary metals, chemicals and allied products, health services, electronic machinery, petroleum refining, and rubber and plastic products. In addition