American Electric Power is a major investor owned electric utility in America. The company was formed in 1906 and was known as American Gas and Electric Company. It is one of the largest electric utilities in the U.S., serving over 5 million customers in 11 states. It is into regulated utility operations and enjoys the strongest transmission network in the country. It is also one of the nation's largest, most efficient and most innovative generation fleets. It has it’s headquarter in Columbus OH. It boasts of around 38,000 megawatts of generating capacity, a nearly 39,000-mile electricity transmission network and an edge of 765-kilovolt extra-high voltage transmission lines than all other U.S. transmission systems combined.