ERCOT moves to keep CPS Energy's largest Braunig gas-fired unit running past its retirement date

Sara DiNatale | Source: San Antonio Express News | Posted 12/03/2024

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The state grid operator's board is set to vote this week on the expensive plan it says is necessary to head off grid emergencies next summer.


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CPS Energy is facing a decision from the Electric Reliability Council of Texas to continue operating Braunig Power Station's largest gas-powered unit beyond its planned retirement date. The fate of the other two units remains uncertain, with discussions of potentially using mobile generators to replace their capacity.

ERCOT is seeking board approval to keep Braunig Unit 3 running to prevent grid emergencies in the upcoming summer seasons. The temporary shutdown of the 400-megawatt unit in March is expected for inspection and costly repairs, with ERCOT aiming to have it back online before the summer of 2025 to avoid power overloading San Antonio's transmission lines. CPS Energy had initially planned to retire all three Braunig units by 2025 due to high operational costs, but concerns over grid stability have shifted focus to keeping them operational, albeit with substantial associated costs.



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