About Us


About Transource

Transource® is a partnership between American Electric Power (AEP) and Great Plains Energy (GPE) focused on the development and investment in competitive electric transmission projects across the U.S. AEP owns 86.5 percent of Transource. GPE owns 13.5 percent of Transource.

Transource's parent companies combine more than 100 years of expertise in the planning, design, engineering, construction and operation of transmission systems. In all, AEP and GPE own and operate nearly 50,000 miles of transmission lines.

Transource is a member of three regional transmission organizations—the PJM Interconnection, the Midwest Independent System Operator (MISO) and the Southwest Power Pool (SPP)—which together serve all or part of 28 U.S. states, the District of Columbia and the province of Manitoba in Canada.

Transource is headquartered in Columbus, Ohio, with offices in Kansas City, Missouri; Tulsa, Oklahoma and Dallas, Texas.

About American Electric Power

American Electric Power is one of the largest electric utilities in the United States, delivering electricity to nearly 5.4 million customers through 223,000 miles of distribution lines in 11 states. AEP 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 also ranks among the nation’s largest generators of electricity, owning approximately 32,000 megawatts of generating capacity in the U.S. 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.

AEP owns and operates assets in the Electric Reliability Council of Texas (ERCOT), the PJM Interconnection, L.L.C. (PJM), and the Southwest Power Pool, Inc. (SPP). AEP is also actively developing projects through joint ventures in the Midwest Independent Transmission System Operator, Inc. (MISO), PJM and SPP.

AEP's transmission system directly or indirectly serves about 10% of the electricity demand in the Eastern Interconnection and approximately 11% of the electricity demand in the ERCOT.

AEP owns over $61 billion in assets and operates in Arkansas, Indiana, Kansas, Kentucky, Louisiana, Michigan, Missouri, Ohio, Oklahoma, Tennessee, Texas, Virginia and West Virginia.

Information about AEP is available at www.AEP.com, and at www.AEPsustainability.com.

About Great Plains Energy

Headquartered in Kansas City, Missouri, Great Plains Energy Incorporated (GPE) is the holding company of Kansas City Power & Light Company and KCP&L Greater Missouri Operations Company (GMO). The utilities operate under the brand name KCP&L.

Our electric utilities serve over 838,000 customers in 47 counties in Missouri and Kansas with a combined diverse generation platform of more than 6,600 MW of capacity. The companies operate nearly 3,500 miles of transmission lines.

Information about GPE is available at www.greatplainsenergy.com.