2024, prices jumped 800% at PJM Interconnection, a “traffic controller” part of the grid that provides service in 13 states as well as D.C. .. PJM operates the largest power grid in the U.S., with around 67 million customers—that’s more than 20% of the American population. ... amid a dwindling supply and an increase in demand, “Prices for power plants landed at $269.92 per megawatt-day, compared to $28.92 per megawatt-day” in 2023. ... prices are set to spike again, and the projection for this year is around 20%. If you live in Delaware, Illinois, Indiana, Kentucky, Maryland, Michigan, New Jersey,...