Fossil-fuel plants can see reliability challenges during winter: When temperatures drop, pressures in natural-gas lines fall too, which can lead to issues for fuel supply. Freezing temperatures can ...

Transmission line congestion on the largest U.S. power grid is expected to soar on Thursday as the PJM Interconnection forecasts record winter power demand ahead of the weekend, boosting electricity ...

Grid operator PJM Interconnection said on Wednesday that it has begun discussion on creating a backstop auction, marking a step toward a procurement process designed to address rapidly growing power ...