ERCOT hourly peak load reaches record 91.1 GW

The U.S. Energy Information Administration reported that ERCOT’s hourly peak load set a new record of 91.1 GW on July 22, 2026.

• The peak was 6% above the prior record of 85.5 GW set on August 10, 2023, and occurred at 6:00 p.m. CT.
• Generation at the peak was primarily natural gas (48%) and solar (32%); the article also notes the record occurred during a heat wave and that the Southwest Power Pool later reached 57.9 GW on July 27.