More than 40% of Texas power was carbon-free in 2022
Wind and solar now compose nearly a third of the ERCOT power mix
The share of Texas electricity coming from carbon-free resources doubled over the last decade, from a fifth of the power mix in 2012 to over 40% in 2022.
Wind and solar generation have soared while coal has been squeezed between zero marginal cost renewables and (typically) less-expensive natural gas.
The chart below shows the annual share of ERCOT generation by fuel type. Wind alone supplied a quarter of Texas electricity in 2022. Combined, wind and solar now make up close to a third of the power mix.
The share of combined coal + gas generation has eroded as growing volumes of wind and solar run ahead of fuel-burning plants in the merit order. Between the two, gas has tended run at the expense of coal.
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