It is part of the Eastern Interconnection grid operating an electric transmission system serving all or parts of Delaware, Illinois, Indiana, Kentucky, Maryland, Michigan, New Jersey, North Carolina, Ohio, Pennsylvania, Tennessee, Virginia, West Virginia, and the District of Columbia.

1 day ago · Pennsylvania Governor Josh Shapiro on Tuesday said he has reached an agreement with grid operator PJM Interconnection to settle his recent complaint about its power market rules and save consumers ...

3 days ago · The agreement will avoid historic price hikes on consumers across all 13 states PJM serves, including Pennsylvania. Left unaddressed, PJM’s next capacity auction scheduled for July 2025 would have resulted in billions in unnecessary …

6 hours ago · A settlement between PJM Interconnection, the regional grid operator, and the state of Pennsylvania will temporarily cap soaring electricity costs for 65 million consumers across the Mid-Atlantic ...

3 days ago · Pennsylvania and the region’s electrical grid operator PJM Interconnection have reached an agreement that Gov. Josh Shapiro’s office said Tuesday will protect consumers against steep increases in their power bills. PJM Interconnection, which operates the long-distance electric power distribution network in all or parts of 13 states including Pennsylvania, has agreed to reduce the maximum ...

2 days ago · PJM agrees to lower price cap for upcoming capacity auctions If approved, the agreement would settle a complaint by Pennsylvania Gov. Shapiro over the PJM Interconnection’s capacity auction ...

1 day ago · PJM Interconnection, which controls the flow of electricity to a dozen states, planned to hike rates for consumers through 2028. Shapiro joined the governors of Maryland, Delaware and New Jersey ...

1 day ago · (WHTM) — Governor Josh Shapiro has reached an agreement with PJM Interconnection after filing a lawsuit over its capacity auction design that could have imposed new price increases. Both parties ...

2 days ago · Pennsylvania Gov. Josh Shapiro on Tuesday announced he's reached agreement with the regional grid operator PJM Interconnection that he said will blunt the expected sharp rise in the cost of ...

In 1956, with the addition of two Maryland utilities, it became the Pennsylvania-New Jersey-Maryland Interconnection, or PJM. PJM became a fully functioning ISO in 1996 and, in 1997, it introduced markets with bid-based pricing and locational market pricing (LMP). PJM was designated an RTO in 2001. List of Orders