The new, interactive History Highway timeline on the PJM Learning Center takes readers on a brief tour of the history of PJM.
It all started in 1927 when three utilities from New Jersey and Pennsylvania formed an integrated power pool. Cruise the History Highway and watch as the PJM story moves along.
After traveling the History Highway, readers can browse other topics on the PJM Learning Center. The PJM Learning Center is the online source dedicated to explaining in simple terms the power industry and PJM’s key priority of ensuring reliable power supply.