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Maguire: Texas cuts gas consumption as ERCOT clean energy momentum continues to grow

Texas's share of natural-gas power generation has dropped to a multi-year low so far this year, as the use of clean energy continues to supplant fossil fuels in the nation's top oil and gas production hub.

The Electric?Reliability?Council?of Texas' (ERCOT), according to data from ERCOT, has generated less than 35% of the total electricity supplied by the utility in its power system in 2026.

This gas share is up from over 40% two years ago and shows the rapid growth of clean energy in the biggest power producing state in the nation.

RENEWABLES RISE

The main driver for the growth of ERCOT's clean?power is an 11% increase in the combined output of Texas's wind and solar farms between January 1 and May 19, compared with the same period in the year 2025.

The total clean energy generation this year up to May 19 has been 93.3 megawatt hours (MWh), an increase of 8% over the same period in 2025.

ERCOT data, compiled by EIA, shows that solar power output has increased 27% to 27 million MWh. Wind output is up 5% at nearly 51 millionMWh.

The growth in renewables has helped to offset the year-to date declines in nuclear and hydropower output. These accounted for approximately 8.8% and 0.1 % of ERCOT’s total mix this year.

The record?clean energy generation has also helped boost total power supply by 2% compared to a year earlier, reaching all-time highs at 174 million MWh. This ensures that Texas' total power supply continues?to increase along with its total energy needs.

FOSSIL MILESTONE

Clean power through ERCOT's power system allows producers to reduce their production of both coal and gas-fired power stations until 2026.

Total gas-fired production dropped by 3% compared to 2025, and is now at its lowest level since 2023. Coal-fired production dropped by 8% (to 21 million MWh), the lowest it has been since 2024.

This year, the ERCOT generation mix has been shifted to include clean energy sources more than fossil fuels for the first ever time.

Clean power generated nearly 54% share of the total generation from January 1 to May 19. Fossil fuels had a share of just 46%.

The rapid shift towards cleaner power generation in Texas - so far this decade - is a testament to the energy transition that has been taking place.

The production of gas-fired electricity is expected to increase steadily in the summer, to meet the increased demand for air conditioners when ERCOT’s total consumption of electricity reaches its annual peak.

The rapid deployment of battery-storage systems to store excess solar power and discharge it later is also likely to extend the solar contribution to the mix well into the evening.

This suggests that ERCOT is likely to continue to achieve additional clean energy milestones by 2026 in order to keep Texas at the forefront of the power system energy transformation efforts in the nation.

These are the opinions of a columnist, who is also referred to as 'the author.

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(source: Reuters)