Potomac Appalachian Transmission Highline Project (PATH)

Potomac Appalachian Transmission Highline Project (PATH) is a proposed 275-mile line, 765-kV transmission line, which is designed to supply power from the Amos Substation in Putnam County, W.Va., to a proposed electrical substation in Frederick County, Md. PATH is a joint venture between Allegheny Energy and American Electric Power, which will improve reliability and congestion. Allegheny Energy merged with FirstEnergy, effective Feb. 25, 2011. On Feb. 28, 2011, PJM Interconnection asked AEP and FirstEnergy to suspend further development of the PATH project while PJM conducts a more rigorous analysis of the potential need for PATH as part of its continuing Regional Transmission Expansion Plan. In August 2012, PJM made the decision to officially remove the project from the RTEP 15 year plan due to lower demand and adequate generation resources.

Project Sponsor Line Miles Voltage (kV) From State To State Year in Service
FirstEnergy Corp. 275 765 WV MD 2012
Estimated Costs ($M) Voltage Type Project Status Project Group Origin Point Destination Point
2100 Suspended PATH Amos Kempton
Interstate Build Start NERC ISO/RTO Country Project Partners
RFC PJM US FirstEnergy (50%) and American Electric Power (50%)