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AB-527 • 2026

California Environmental Quality Act: geothermal exploratory projects: geothermal field development projects: enhanced geothermal system wells.

California Environmental Quality Act: geothermal exploratory projects: geothermal field development projects: enhanced geothermal system wells.

Energy
Vetoed

The latest official action shows the governor vetoed this bill. Check the bill history to see whether lawmakers later overrode that veto.

Sponsor
Papan
Last action
Official status
Vetoed
Effective date
Not listed

Plain English Breakdown

The official source confirms the governor vetoed this bill; therefore, none of its provisions are currently active law.

AB-527: Proposed Rules for Geothermal Well Projects

This vetoed bill proposed a temporary exemption from environmental review rules for certain geothermal exploratory projects while adding new reporting and safety requirements.

What This Bill Does

  • Proposed to exempt qualifying geothermal exploratory projects from the California Environmental Quality Act (CEQA) until January 1, 2031.
  • Required project developers to submit a reconnaissance survey when applying for an exemption.
  • Mandated that lead agencies consult with affiliated California Native American tribes before approving exemptions.
  • Authorized lead agencies to require applicants to file an indemnity bond as security.
  • Required full reclamation of the project site after operations end or stop.
  • Required public notice on websites and at the project site 30 days before a decision is made.

Who It Names or Affects

  • Project developers seeking to drill geothermal exploratory wells.
  • The Geologic Energy Management Division in the Department of Conservation.
  • Counties that act as lead agencies for these projects.
  • California Native American tribes affiliated with project areas.

Terms To Know

CEQA
The California Environmental Quality Act, a law requiring environmental impact reports or declarations before approving certain projects.
Geothermal exploratory project
A project with up to six wells designed to test for and evaluate geothermal resources underground.
Indemnity bond
A financial guarantee filed by an applicant to cover potential costs or damages related to the project.

Limits and Unknowns

  • The bill was vetoed by the governor, so it did not become law.
  • The official text provided is truncated and does not fully explain rules for geothermal field development projects on existing sites.
  • Specific conditions required to qualify for the CEQA exemption are listed as 'specified' but not detailed in this summary.

Bill History

  1. California Legislative Information

    Vetoed

Official Summary Text

California Environmental Quality Act: geothermal exploratory projects: geothermal field development projects: enhanced geothermal system wells.