RSS feed source: US Energy Information Administration

In-brief analysis

June 27, 2025

Electricity demand in the PJM Interconnection and ISO New England (two regional grid operators covering the Northeast United States) reached multiyear highs on June 23 and June 24, respectively. Electricity demand increased significantly due to a heat wave that affected most of the Eastern United States this week.

PJM Interconnection
Electricity load in the PJM Interconnection, the largest wholesale electricity market in the country, peaked at 160,560 megawatts (MW) on Monday, June 23, between 5:00 p.m. and 6:00 p.m. according to data from our Hourly Electric Grid Monitor. The load on the grid surpassed PJM’s seasonal peak load forecast of 154,000 MW but remained below the record load of 165,563 MW in 2006 (PJM has expanded numerous times, and this data point is based on PJM’s current footprint). PJM’s footprint includes 13 states

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