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Posted 2 weeks ago | 1 minute read

PJM expects adequate power supplies this Winter

Under expected conditions, PJM has sufficient resources this winter, though electricity demand continues to outpace the addition of new generating resources.

In its Winter Outlook, published on November 3, the grid operator said it expects to have 180,800MW of operational capacity to serve a forecasted peak electricity demand of approximately 145,700MW. PJM forecasts a generation reserve margin of 7,500MW. This is down from 8,700MW last year. Significantly higher levels of generator outages, however, such as those that occurred during Winter Storm Elliott (~46,000MW), could leave the system vulnerable to power outages.

PJM reached an all-time winter high of 143,700MW on January 22 of this year, 2,000MW less than this winter’s forecast peak. PJM has added approximately 4,800MW of new generation (nameplate capacity) since last winter, most of it solar; that translates to approximately 1,000MW more operational capacity for the 2025–26 Winter.

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