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Bill

SB 842

Energy: firm zero-carbon resources.

2025-2026 Regular Session Introduced by Henry Stern

California mandates procurement of reliable zero-carbon electricity sources like nuclear and geothermal to stabilize the grid while eliminating fossil fuels.

August 29 hearing: Held in committee and under submission.
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Bill Summary · SB 842

Legislative bill overview

SB 842 establishes requirements for California's electricity grid to procure and utilize "firm zero-carbon resources"—power sources that generate electricity without carbon emissions on a reliable, dispatchable basis (such as nuclear, geothermal, or energy storage). The bill aims to ensure baseload clean energy capacity as California transitions away from fossil fuels while maintaining grid reliability.

Why is this important

California's renewable energy mandate has prioritized intermittent sources like solar and wind, creating grid stability challenges during peak demand hours. This bill addresses the need for dependable zero-carbon generation to replace retiring natural gas plants while meeting growing electricity demand from electrification of transportation and heating.

Potential points of contention

  • Nuclear energy inclusion: The bill likely includes nuclear power as a firm resource, which divides environmental advocates between those supporting it for decarbonization and those opposing it due to waste and safety concerns
  • Cost implications: Firm zero-carbon resources (particularly new nuclear or enhanced geothermal) are capital-intensive, potentially increasing electricity rates for consumers and businesses
  • Technology maturity: Some "firm" technologies remain unproven or commercially unavailable at scale, raising questions about feasibility and timeline
  • Grid reliability vs. renewable prioritization: May create regulatory tension between mandated renewable percentages and new firm resource procurement requirements

Compiled from official sources — confirm details with the bill’s official record.

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