The PJM has forecast a peak electricity use demand of 142,639 MW across its entire 13 state system for July 21 at 4:00 p.m. The forecast peak for July 22 is 131,833 MW.
Natural gas, coal and nuclear power plants were taking on the biggest parts of that load as of 7:00 p.m. on July 20. The total generation available then was 145,515 MW with renewables contributing 7,584 of that capacity.
PJM issued a hot weather advisories on July 18 and extended that advisory through July 21.
In May, PJM was forecasting a hotter than usual summer and said it expected to experience peaks of around 151,000 MW. Last summer’s peak was 150,830 MW.
PJM's required reserve is 16 percent of the forecasted demand level, and this summer PJM's expected reserve margin is more than 28 percent, or around 40,000 MW. PJM has 183,454 MW of installed generating capacity available.
To monitor PJM’s forecasts on demand, current use and cost of electricity, visit PJM’s Markets & Operations webpage.
(Photo: Left chart is overall generation fuel max as of 7:00 p.m. EPT July 20, Right chart is for renewable energy sources same time.)
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