California Air Resources Board

Would have required local air districts to allow critical facility operators to use a permitted emergency backup generator in exceedance of the applicable runtime, testing, and maintenance limits under certain conditions. This requirement would have gone into effect on January 1, 2026, and would have applied to local air districts that do not have existing rules for emergency backup generators but will be adopting rules in the future. The bill would have required a critical facility allowed to exceed applicable limits, as specified, to attest to and provide evidence of having taken demonstrable steps toward implementing the use of backup power technologies that meet or exceed emission standards set by CARB. Was not heard in the Senate Environmental Quality Committee.

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