TechnicalUp to date · Jan 15, 2026
PJM Interconnection
A regional transmission organization (RTO) coordinating the movement of wholesale electricity in 13 states and D.C., from Illinois to the mid-Atlantic coast. The largest power market in North America.
Related Terms
Transmission Charges
Fees for transporting electricity over high-voltage power lines from generation plants to local distribution substations. Usually a smaller portion of residential bills.
Demand Response
A program where utilities pay customers to reduce electricity usage during peak demand events, often by cycling AC units, adjusting thermostats, or discharging batteries to the grid.