Texas's Electricity Grid on Pace for Continued Growth as Renewable Energy Sources Surge Texas's Electric Reliability Council (ERCOT) has witnessed significant growth in electricity demand since 2021, with record-high usage recorded in the first nine months of 2025, a 23% increase compared to the same period in 2021, and marking the fastest rate of growth among all U.S. grids during that timeframe, driven by increasing contributions from wind and solar energy sources, which now account for nearly 36% of ERCOT's electricity demand.

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