Senate expands draft reliability rules to cover existing ERCOT generators, adds phase-in protections

May 8, 2025

The Senate advanced a committee substitute to Senate Bill 715 to apply firming and reliability requirements to existing electric generators in ERCOT, with an amendment exempting generators under existing power-purchase agreements until those contracts expire and giving the PUC flexibility on ramping hours and phased implementation.

The full story

Senate Bill 715 moved forward on the Senate floor on May 8 with a committee substitute that would expand reliability obligations — sometimes called "firming" — beyond future generation to include existing power plants in ERCOT.

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