PJM, ERCOT, and SWPP set peak load records this summer

Three major U.S. regional transmission operators hit record-high hourly electricity demand during summer 2026, signaling intensifying grid stress amid climate pressures and growing electrification.

First covered Oct 15, 2026 · 7:00 AM PT · 2 articles · no longer in the live window

PJM, ERCOT, and SWPP set peak load records this summer — Image via eia.gov

Coverage

26d CleanTechnica PJM, ERCOT, and SWPP All Set Peak Load Records This Summer — Three regional transmission organizations (RTOs) set records for peak hourly load this past summer, according to data reported on Form EIA-930 and presented in…

26d EIA Today in Energy PJM, ERCOT, and SWPP all set peak load records this summer — Three regional transmission organizations (RTOs) set records for peak hourly load this past summer, according to data reported on Form EIA-930 and presented in…

Primary sources

nyiso.com PRESS RELEASE | NYISO Provides Update on Heatwave Preparation and Demand on the High Voltage Electric System - NYISO — cited by 2 of the outlets above

spp.org Fast Facts - Southwest Power Pool — cited by 2 of the outlets above

foxweather.com Summer 2026 officially ranks as the hottest summer on record across the US — cited by 2 of the outlets above

More coverage from around the web

ercot.com Item 7: Summer 2024 Operational and Market Review Dan Woodfin

insidelines.pjm.com PJM Publishes 2024 Long-Term Load Forecast

utilitydive.com ERCOT successfully navigates heat wave, new peak demand record

spglobal.com PJM Interconnection sets new all-time peakload record of 168.158 GW in heat wave

Appeared in: 2026-10-15 (#2) · 2026-10-16 (#1)

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