AB 531
Geothermal powerplants and projects: certification and environmental review.
Became law · by Rogers · full text and history
Latest floor vote
Assembly floor, 2025-09-12: (PASS), 69 ayes, 4 noes, 7 not voting · AB 531 Rogers Concurrence in Senate Amendments
Aye (69): Al Muratsuchi D, Alex Lee D, Alexandra Macedo R, Anamarie Ávila Farías D, Ash Kalra D, Avelino Valencia D, Blanca Pacheco D, Blanca Rubio D, Buffy Wicks D, Carl DeMaio R, Catherine Stefani D, Celeste Rodriguez D, Chris Rogers D, Christopher Ward D, Corey Jackson D, Cottie Petrie-Norris D, Damon Connolly D, Darshana R. Patel D, David Alvarez D, Dawn Addis D, Diane Papan D, Esmeralda Soria D, Gail Pellerin D, Gregg Hart D, Isaac Bryan D, Jacqui Irwin D, James Ramos D, Jasmeet Bains D, Jeff Gonzalez R, Jesse Gabriel D, Jessica Caloza D, Joaquin Arambula D, Joe Patterson R, John Harabedian D, José Luis Solache D, Josh Hoover R, Josh Lowenthal D, Juan Carrillo D, Kate Sanchez R, LaShae Sharp-Collins D, Laurie Davies R, Leticia Castillo R, Lisa Calderon D, Liz Ortega D, Lori Wilson D, Maggy Krell D, Marc Berman D, Mark González D, Matt Haney D, Mia Bonta D, Michelle Rodriguez D, Mike Fong D, Mike Gipson D, Natasha Johnson R, Nick Schultz D, Patrick Ahrens D, Pilar Schiavo D, Rebecca Bauer-Kahan D, Rhodesia Ransom D, Rick Chavez Zbur D, Robert Garcia D, Robert Rivas D, Sade Elhawary D, Sharon Quirk-Silva D, Stan Ellis R, Stephanie Nguyen D, Steve Bennett D, Tasha Boerner D, Tri Ta R
No (4): Diane Dixon R, Greg Wallis R, Heather Hadwick R, James Gallagher R
Not voting (7): Cecilia Aguiar-Curry D, David Tangipa R, Heath Flora R, Juan Alanis R, Phillip Chen R, Tina McKinnor D, Tom Lackey R
Who lobbied on it
21 lobbyist employers, lobbying firms and others name AB 531 in their reports since 2025 (not their position). Linked: those who gave to two or more 2026 state candidates.
AMERICAN CLEAN POWER ASSOCIATION · CALIFORNIA STATE ASSOCIATION OF ELECTRICAL WORKERS · CALIFORNIA STATE PIPE TRADES COUNCIL · INDEPENDENT ENERGY PRODUCERS ASSOCIATION · INVENERGY, LLC · ADVANCED ENERGY UNITED · CALIFORNIA-NEVADA CONFERENCE OF OPERATING ENGINEERS · CLEAN AIR TASK FORCE · CLIMATE CENTER, THE · IMPERIAL; COUNTY OF · INTERNATIONAL UNION OF ELEVATOR CONSTRUCTORS, LOCAL 18 · INTERNATIONAL UNION OF ELEVATOR CONSTRUCTORS, LOCAL 8 · Imperial Irrigation District · International Brotherhood of Boilermakers, Western States Section · RYE DEVELOPMENT, LLC · SACRAMENTO REGIONAL BUILDERS EXCHANGE · SISKIYOU, COUNTY OF · SONOMA CLEAN POWER · State Building & Construction Trades Council of California · UNITED CHAMBER ADVOCACY NETWORK UCAN · WESTERN STATES COUNCIL SHEET METAL, AIR, RAIL AND TRANSPORTATION (SMART)
Every recorded vote
| Date | Where | Result | Ayes | Noes |
|---|---|---|---|---|
| 2025-04-02 | Asm Utilities and Energy Do pass and be re-referred to the Committee on [Natural Resources] with recommendation: To Consent Calendar | (PASS) | 18 | 0 |
| 2025-04-21 | Asm Natural Resources Do pass and be re-referred to the Committee on [Appropriations] with recommendation: To Consent Calendar | (PASS) | 14 | 0 |
| 2025-05-23 | Asm Appropriations Do pass. | (PASS) | 13 | 0 |
| 2025-06-02 | Assembly floor AB 531 Rogers Assembly Third Reading | (PASS) | 79 | 0 |
| 2025-07-01 | Sen Energy, Utilities and Communications Do pass as amended, but first amend, and re-refer to the Committee on [Environmental Quality] | (PASS) | 16 | 0 |
| 2025-07-16 | Sen Environmental Quality Do pass, but first be re-referred to the Committee on [Appropriations] | (PASS) | 6 | 1 |
| 2025-08-18 | Sen Appropriations Placed on suspense file | (PASS) | 7 | 0 |
| 2025-08-29 | Sen Appropriations Do pass | (PASS) | 6 | 1 |
| 2025-09-11 | Senate floor Assembly 3rd Reading AB531 Rogers et al. By Becker | (PASS) | 37 | 1 |
| 2025-09-12 | Assembly floor AB 531 Rogers Concurrence in Senate Amendments | (PASS) | 69 | 4 |