PJM Interconnection

Headquarters: Valley Forge, Pennsylvania

Serves all or part of: Delaware, Illinois, Indiana, Kentucky, Maryland, Michigan, New Jersey, North Carolina, Ohio, Pennsylvania, Tennessee, Virginia, West Virginia and the District of Columbia

Installed Generation: 164,895 MW

Miles of Transmission Lines: 56,499 miles

Population Served: 51 million

Website: pjm.com

Documents: (links open PDFs in new window)
PJM Fast Facts
2008 Annual Report
Quantifying Demand Response Benefits In PJM