American Electric Power Company, Inc. (AEP) is a major public utility holding company in the United States that is involved in the generation, transmission, and distribution of electricity for both retail and wholesale customers. With operations spanning across Vertically Integrated Utilities, Transmission and Distribution Utilities, AEP Transmission Holdco, and Generation & Marketing segments, the company boasts a diversified portfolio of electricity sources that includes coal and lignite, natural gas, renewable, nuclear, hydro, solar, wind, and other energy sources. AEP also operates as a wholesale electric power supplier and markets its power to other electric utility companies, rural electric cooperatives, municipalities, and other market participants. Having been established back in 1906, AEP is headquartered in Columbus, Ohio, and has cemented itself as a key player in the electric utility space.