California Files

Bills

AB 1577

Data centers: reporting.

Became law · by Bauer-Kahan · full text and history

Latest floor vote

Assembly floor, 2026-08-27: (PASS), 58 ayes, 11 noes, 10 not voting · AB 1577 Bauer-Kahan Concurrence in Senate Amendments

Aye (58): Al Muratsuchi D, Alex Lee D, Anamarie Ávila Farías D, Ash Kalra D, Blanca Pacheco D, Blanca Rubio D, Buffy Wicks D, Catherine Stefani D, Cecilia Aguiar-Curry 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, Jasmeet Bains D, Jeff Gonzalez R, Jesse Gabriel D, Jessica Caloza D, Joaquin Arambula D, John Harabedian D, José Luis Solache D, Josh Lowenthal D, Juan Carrillo D, Kate Sanchez R, LaShae Sharp-Collins D, 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, 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, Stephanie Nguyen D, Steve Bennett D, Tasha Boerner D

No (11): David Tangipa R, Diane Dixon R, Greg Wallis R, Heather Hadwick R, Joe Patterson R, Laurie Davies R, Leticia Castillo R, Natasha Johnson R, Phillip Chen R, Stan Ellis R, Tri Ta R

Not voting (10): Alexandra Macedo R, Avelino Valencia D, Carl DeMaio R, Heath Flora R, James Ramos D, Josh Hoover R, Juan Alanis R, Mike Gipson D, Tina McKinnor D, Tom Lackey R

Who lobbied on it

21 lobbyist employers, lobbying firms and others name AB 1577 in their reports since 2025 (not their position). Linked: those who gave to two or more 2026 state candidates.

AT&T Services Inc. and its Affiliates · Amazon.com Services LLC · ASSOCIATION OF INDEPENDENT CALIFORNIA COLLEGES & UNIVERSITIES (AICCU) · Ava Community Energy Authority · BAY AREA AIR QUALITY MANAGEMENT DISTRICT · CALASIAN CHAMBER OF COMMERCE · CHAMBER OF PROGRESS · COX CORPORATE SERVICES, INC. AND AFFILIATED ENTITIES · California Environmental Justice Alliance Action, a project of Beyond Impact · Leadership Counsel Action, a project of Beyond Impact · MAINSPRING ENERGY, INC. · MONTEREY PARK, CITY OF · REGIONAL WATER AUTHORITY · SANTA ANA WATERSHED PROJECT AUTHORITY · SILICON VALLEY LEADERSHIP GROUP · STACK INFRASTRUCTURE INC. · TECHNOLOGY INDUSTRY ASSOCIATION OF CALIFORNIA (TECHCA) · Tech Oversight Project dba Tech Oversight California · UNITED CHAMBER ADVOCACY NETWORK UCAN · UNITED STATES TELECOM ASSOCIATION dba USTELECOM - THE BROADBAND ASSOCIATION · WATEREUSE ASSOCIATION

Every recorded vote

DateWhereResultAyesNoes
2026-04-08Asm Utilities and Energy
Do pass as amended and be re-referred to the Committee on [Natural Resources]
(PASS)135
2026-04-20Asm Natural Resources
Do pass and be re-referred to the Committee on [Appropriations]
(PASS)94
2026-05-14Asm Appropriations
Do pass as amended.
(PASS)114
2026-05-26Assembly floor
AB 1577 Bauer-Kahan Assembly Third Reading
(PASS)5716
2026-06-24Sen Energy, Utilities and Communications
Do pass, but first be re-referred to the Committee on [Judiciary]
(PASS)134
2026-06-30Sen Judiciary
Do pass as amended, but first amend, and re-refer to the Committee on [Appropriations]
(PASS)112
2026-08-03Sen Appropriations
Placed on suspense file
(PASS)70
2026-08-13Sen Appropriations
Do pass as amended
(PASS)52
2026-08-26Senate floor
Assembly 3rd Reading AB1577 Bauer-Kahan By McGuire
(PASS)2910
2026-08-27Assembly floor
AB 1577 Bauer-Kahan Concurrence in Senate Amendments
(PASS)5811