California 20252026 Regular Session Status: To Executive 1 D cosponsors

AB 1577 — Data centers: reporting.

Last action — Chaptered by Secretary of State - Chapter 434, Statutes of 2026.

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  1. ✓
    Introduced
  2. ✓
    In Committee
  3. ✓
    Passed Assembly
  4. ✓
    Passed Senate
  5. 5
    To Executive
  6. 6
    Enacted

This bill has been sent to the executive. Introduced January 12, 2026. It awaits signature.

Next likely step: the executive signs it into law or issues a veto.

Prognosis

Likely to advance 64% · moderate confidence

Where this bill stands today.

Odds of enactment

Moderate

How often bills like it became law.

  • To Executive

    Current position in the legislative process.

  • 1 sponsor

    1 primary, 0 co-sponsors signed on.

  • Single-party support

    Sponsorship is currently within one party (1 D).

  • Cleared a recorded vote

    Passed 12 recorded votes so far.

Prognosis reads this bill's own signals — stage, sponsorship breadth, committee status, recorded votes and cross-state momentum. Odds come from a model trained on which bills have become law.

In plain language

The bill requires data centers to report specific energy consumption information to state authorities.

This legislation mandates data center owners to submit details like location, size, and energy usage to the State Energy Commission. The information will help in energy planning and will be published annually in an anonymized format.

What this means for you
  • Small Business: For small businesses operating data centers, this means adhering to new reporting requirements regarding energy use and consumption.

Summary

Data centers: reporting.

Bill Text

Action History

  1. Chaptered by Secretary of State - Chapter 434, Statutes of 2026.

  2. Approved by the Governor.

  3. Enrolled and presented to the Governor at 4 p.m.

  4. In Assembly. Concurrence in Senate amendments pending.

  5. Senate amendments concurred in. To Engrossing and Enrolling. (Ayes 58. Noes 11. Page 6695.).

  6. Read third time. Passed. Ordered to the Assembly. (Ayes 29. Noes 10.).

  7. Read second time. Ordered to third reading.

  8. Read third time and amended. Ordered to second reading.

  9. Read second time. Ordered to third reading.

  10. Read second time and amended. Ordered returned to second reading.

  11. From committee: Amend, and do pass as amended. (Ayes 5. Noes 2.) (August 13).

  12. In committee: Referred to APPR. suspense file.

  13. Read second time and amended. Re-referred to Com. on APPR.

  14. From committee: Amend, and do pass as amended and re-refer to Com. on APPR. (Ayes 11. Noes 2.) (June 30).

  15. From committee: Do pass and re-refer to Com. on JUD. (Ayes 13. Noes 4.) (June 24). Re-referred to Com. on JUD.

  16. From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Com. on E., U & C.

  17. Referred to Coms. on E., U & C. and JUD.

  18. In Senate. Read first time. To Com. on RLS. for assignment.

  19. Read third time. Passed. Ordered to the Senate. (Ayes 57. Noes 16.)

  20. Read second time. Ordered to third reading.

  21. Read second time and amended. Ordered returned to second reading.

  22. From committee: Amend, and do pass as amended. (Ayes 11. Noes 4.) (May 14).

  23. In committee: Set, first hearing. Referred to APPR. suspense file.

  24. From committee: Do pass and re-refer to Com. on APPR. (Ayes 9. Noes 4.) (April 20). Re-referred to Com. on APPR.

  25. Re-referred to Com. on NAT. RES.

  26. Read second time and amended.

  27. From committee: Amend, and do pass as amended and re-refer to Com. on NAT. RES. (Ayes 13. Noes 5.) (April 8).

  28. Re-referred to Com. on U. & E.

  29. From committee chair, with author's amendments: Amend, and re-refer to Com. on U. & E. Read second time and amended.

  30. Referred to Coms. on U. & E. and NAT. RES.

  31. From printer. May be heard in committee February 12.

  32. Read first time. To print.

Sponsors

Sponsorship breakdown

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1 sponsors · 0 co-sponsors · 121 not signed on · 26 voted No

Sponsors (1)

Co-sponsors (0)

None.

Not signed on (121)

121 members have not signed on to this bill.

Show all 121 →

"Not signed on" means a member has not sponsored or co-sponsored this bill — it does not imply opposition. Members flagged Voted No have a recorded No vote on this bill.

Whip count is in markup. Polling the chamber and every recorded vote this session. Only the first open is slow. It’s instant for you after this. Calling the roll · Tallying · Engrossing

Votes

AB 1577 Bauer-Kahan Concurrence in Senate Amendments

Passed 58 Yea · 11 Nay · 10 Other
Party YeaNayPresentNot Voting
Republican 21006
Democratic 50004
Unaffiliated 6100
Total 5811010
% of votes cast 73%14%0%13%
How each member voted (79)
Member Party Vote
Patterson — Nay
Ávila Farías — Yea
Rivas — Yea
Carrillo — Yea
Fong — Yea
Garcia — Yea
Lowenthal — Yea
Addis, Dawn Democratic Yea
Aguiar-Curry, Cecilia M. Democratic Yea
Ahrens, Patrick Democratic Yea
Alvarez, David Democratic Yea
Arambula, Joaquin Democratic Yea
Bains, Jasmeet Democratic Yea
Bauer-Kahan, Rebecca Democratic Yea
Bennett, Steve Democratic Yea
Berman, Marc Democratic Yea
Boerner, Tasha Democratic Yea
Bonta, Mia Democratic Yea
Bryan, Isaac G. Democratic Yea
Calderon, Lisa Democratic Yea
Caloza, Jessica Democratic Yea
Connolly, Damon Democratic Yea
Elhawary, Sade Democratic Yea
Gabriel, Jesse Democratic Yea
Gipson, Mike A. Democratic Not Voting
González, Mark Democratic Yea
Haney, Matt Democratic Yea
Harabedian, John Democratic Yea
Hart, Gregg Democratic Yea
Irwin, Jacqui Democratic Yea
Jackson, Corey A. Democratic Yea
Kalra, Ash Democratic Yea
Krell, Maggy Democratic Yea
Lee, Alex Democratic Yea
McKinnor, Tina Democratic Not Voting
Muratsuchi, Al Democratic Yea
Nguyen, Stephanie Democratic Yea
Ortega, Liz Democratic Yea
Pacheco, Blanca Democratic Yea
Papan, Diane Democratic Yea
Patel, Darshana R. Democratic Yea
Pellerin, Gail Democratic Yea
Petrie-Norris, Cottie Democratic Yea
Quirk-Silva, Sharon Democratic Yea
Ramos, James C. Democratic Not Voting
Ransom, Rhodesia Democratic Yea
Rodriguez, Celeste Democratic Yea
Rodriguez, Michelle Democratic Yea
Rogers, Chris Democratic Yea
Rubio, Blanca E. Democratic Yea
Schiavo, Pilar Democratic Yea
Schultz, Nick Democratic Yea
Sharp-Collins, LaShae Democratic Yea
Solache, Jr., José Luis Democratic Yea
Soria, Esmeralda Democratic Yea
Stefani, Catherine Democratic Yea
Valencia, Avelino Democratic Not Voting
Ward, Christopher M. Democratic Yea
Wicks, Buffy Democratic Yea
Wilson, Lori D. Democratic Yea
Zbur, Rick Chavez Democratic Yea
Alanis, Juan Republican Not Voting
Castillo, Leticia Republican Nay
Chen, Phillip Republican Nay
Davies, Laurie Republican Nay
DeMaio, Carl Republican Not Voting
Dixon, Diane Republican Nay
Ellis, Stan Republican Nay
Flora, Heath Republican Not Voting
Gonzalez, Jeff Republican Yea
Hadwick, Heather Republican Nay
Hoover, Josh Republican Not Voting
Johnson, Natasha Republican Nay
Lackey, Tom Republican Not Voting
Macedo, Alexandra Republican Not Voting
Sanchez, Kate Republican Yea
Ta, Tri Republican Nay
Tangipa, David J. Republican Nay
Wallis, Greg Republican Nay

Official roll call →

Assembly 3rd Reading AB1577 Bauer-Kahan By McGuire

Passed 29 Yea · 10 Nay · 1 Other
Party YeaNayPresentNot Voting
Unaffiliated 5100
Republican 0900
Democratic 24001
Total 291001
% of votes cast 73%25%0%3%
How each member voted (40)
Member Party Vote
Allen — Yea
Gonzalez — Yea
Ochoa Bogh — Nay
Pérez — Yea
Rubio — Yea
Weber Pierson — Yea
Archuleta, Bob Democratic Yea
Arreguín, Jesse Democratic Yea
Ashby, Angelique V. Democratic Yea
Becker, Josh Democratic Yea
Blakespear, Catherine S. Democratic Yea
Cabaldon, Christopher Democratic Yea
Caballero, Anna M. Democratic Yea
Cervantes, Sabrina Democratic Yea
Cortese, Dave Democratic Yea
Durazo, Maria Elena Democratic Yea
Grayson, Timothy S. Democratic Yea
Hurtado, Melissa Democratic Yea
Laird, John Democratic Yea
Limón, Monique Democratic Yea
McGuire, Mike Democratic Yea
McNerney, Jerry Democratic Yea
Menjivar, Caroline Democratic Yea
Padilla, Stephen C. Democratic Yea
Reyes, Eloise Gómez Democratic Yea
Richardson, Laura Democratic Not Voting
Smallwood-Cuevas, Lola Democratic Yea
Stern, Henry I. Democratic Yea
Umberg, Thomas J. Democratic Yea
Wahab, Aisha Democratic Yea
Wiener, Scott D. Democratic Yea
Alvarado-Gil, Marie Republican Nay
Choi, Steven S. Republican Nay
Dahle, Megan Republican Nay
Grove, Shannon Republican Nay
Jones, Brian W. Republican Nay
Niello, Roger W. Republican Nay
Seyarto, Kelly Republican Nay
Strickland, Tony Republican Nay
Valladares, Suzette Martinez Republican Nay

Official roll call →

3rd Reading AB1577 Bauer-Kahan By McGuire

Passed 29 Yea · 10 Nay · 1 Other
Party YeaNayPresentNot Voting
Democratic 29001
Republican 01000
Total 291001
% of votes cast 73%25%0%3%
How each member voted (40)
Member Party Vote
Allen, Benjamin Democratic Yea
Archuleta, Bob Democratic Yea
Arreguín, Jesse Democratic Yea
Ashby, Angelique V. Democratic Yea
Becker, Josh Democratic Yea
Blakespear, Catherine S. Democratic Yea
Cabaldon, Christopher Democratic Yea
Caballero, Anna M. Democratic Yea
Cervantes, Sabrina Democratic Yea
Cortese, Dave Democratic Yea
Durazo, Maria Elena Democratic Yea
Gonzalez, Lena A. Democratic Yea
Grayson, Timothy S. Democratic Yea
Hurtado, Melissa Democratic Yea
Laird, John Democratic Yea
Limón, Monique Democratic Yea
McGuire, Mike Democratic Yea
McNerney, Jerry Democratic Yea
Menjivar, Caroline Democratic Yea
Padilla, Stephen C. Democratic Yea
Pérez, Sasha Renée Democratic Yea
Reyes, Eloise Gómez Democratic Yea
Richardson, Laura Democratic Not Voting
Rubio, Susan Democratic Yea
Smallwood-Cuevas, Lola Democratic Yea
Stern, Henry I. Democratic Yea
Umberg, Thomas J. Democratic Yea
Wahab, Aisha Democratic Yea
Weber Pierson, M.D., Akilah Democratic Yea
Wiener, Scott D. Democratic Yea
Alvarado-Gil, Marie Republican Nay
Choi, Steven S. Republican Nay
Dahle, Megan Republican Nay
Grove, Shannon Republican Nay
Jones, Brian W. Republican Nay
Niello, Roger W. Republican Nay
Ochoa Bogh, Rosilicie Republican Nay
Seyarto, Kelly Republican Nay
Strickland, Tony Republican Nay
Valladares, Suzette Martinez Republican Nay

Official roll call →

Committee vote — Committee CS53 — Committee vote

Passed 11 Yea · 2 Nay
Party YeaNayPresentNot Voting
Democratic 10000
Republican 0200
Unaffiliated 1000
Total 11200
% of votes cast 85%15%0%0%
How each member voted (13)
Member Party Vote
Weber Pierson — Yea
Allen, Benjamin Democratic Yea
Ashby, Angelique V. Democratic Yea
Caballero, Anna M. Democratic Yea
Durazo, Maria Elena Democratic Yea
Laird, John Democratic Yea
Reyes, Eloise Gómez Democratic Yea
Stern, Henry I. Democratic Yea
Umberg, Thomas J. Democratic Yea
Wahab, Aisha Democratic Yea
Wiener, Scott D. Democratic Yea
Niello, Roger W. Republican Nay
Valladares, Suzette Martinez Republican Nay

Official roll call →

Do pass, but first be re-referred to the Committee on [Judiciary]

Passed 13 Yea · 4 Nay
Party YeaNayPresentNot Voting
Democratic 13000
Republican 0400
Total 13400
% of votes cast 76%24%0%0%
How each member voted (17)
Member Party Vote
Allen, Benjamin Democratic Yea
Archuleta, Bob Democratic Yea
Arreguín, Jesse Democratic Yea
Becker, Josh Democratic Yea
Caballero, Anna M. Democratic Yea
Gonzalez, Lena A. Democratic Yea
Hurtado, Melissa Democratic Yea
McNerney, Jerry Democratic Yea
Reyes, Eloise Gómez Democratic Yea
Richardson, Laura Democratic Yea
Rubio, Susan Democratic Yea
Stern, Henry I. Democratic Yea
Wahab, Aisha Democratic Yea
Dahle, Megan Republican Nay
Grove, Shannon Republican Nay
Ochoa Bogh, Rosilicie Republican Nay
Strickland, Tony Republican Nay

Official roll call →

AB 1577 Bauer-Kahan Assembly Third Reading

Passed 57 Yea · 16 Nay · 7 Other
Party YeaNayPresentNot Voting
Democratic 53006
Republican 31601
Unaffiliated 1000
Total 571607
% of votes cast 71%20%0%9%
How each member voted (80)
Member Party Vote
Ávila Farías — Yea
Addis, Dawn Democratic Yea
Aguiar-Curry, Cecilia M. Democratic Yea
Ahrens, Patrick Democratic Yea
Alvarez, David Democratic Yea
Arambula, Joaquin Democratic Yea
Bains, Jasmeet Democratic Yea
Bauer-Kahan, Rebecca Democratic Yea
Bennett, Steve Democratic Yea
Berman, Marc Democratic Yea
Boerner, Tasha Democratic Yea
Bonta, Mia Democratic Yea
Bryan, Isaac G. Democratic Yea
Calderon, Lisa Democratic Yea
Caloza, Jessica Democratic Yea
Carrillo, Juan Democratic Yea
Connolly, Damon Democratic Yea
Elhawary, Sade Democratic Yea
Fong, Mike Democratic Yea
Gabriel, Jesse Democratic Yea
Garcia, Robert Democratic Yea
Gipson, Mike A. Democratic Not Voting
González, Mark Democratic Yea
Haney, Matt Democratic Yea
Harabedian, John Democratic Yea
Hart, Gregg Democratic Yea
Irwin, Jacqui Democratic Yea
Jackson, Corey A. Democratic Yea
Kalra, Ash Democratic Yea
Krell, Maggy Democratic Yea
Lee, Alex Democratic Yea
Lowenthal, Josh Democratic Yea
McKinnor, Tina Democratic Yea
Muratsuchi, Al Democratic Not Voting
Nguyen, Stephanie Democratic Not Voting
Ortega, Liz Democratic Yea
Pacheco, Blanca Democratic Yea
Papan, Diane Democratic Yea
Patel, Darshana R. Democratic Yea
Pellerin, Gail Democratic Yea
Petrie-Norris, Cottie Democratic Yea
Quirk-Silva, Sharon Democratic Yea
Ramos, James C. Democratic Not Voting
Ransom, Rhodesia Democratic Yea
Rivas, Robert Democratic Yea
Rodriguez, Celeste Democratic Not Voting
Rodriguez, Michelle Democratic Yea
Rogers, Chris Democratic Yea
Rubio, Blanca E. Democratic Yea
Schiavo, Pilar Democratic Yea
Schultz, Nick Democratic Yea
Sharp-Collins, LaShae Democratic Yea
Solache, Jr., José Luis Democratic Yea
Soria, Esmeralda Democratic Yea
Stefani, Catherine Democratic Yea
Valencia, Avelino Democratic Not Voting
Ward, Christopher M. Democratic Yea
Wicks, Buffy Democratic Yea
Wilson, Lori D. Democratic Yea
Zbur, Rick Chavez Democratic Yea
Alanis, Juan Republican Nay
Castillo, Leticia Republican Nay
Chen, Phillip Republican Nay
Davies, Laurie Republican Nay
DeMaio, Carl Republican Nay
Dixon, Diane Republican Nay
Ellis, Stan Republican Nay
Flora, Heath Republican Not Voting
Gallagher, James Republican Yea
Gonzalez, Jeff Republican Yea
Hadwick, Heather Republican Nay
Hoover, Josh Republican Nay
Johnson, Natasha Republican Nay
Lackey, Tom Republican Nay
Macedo, Alexandra Republican Nay
Patterson, Joe Republican Nay
Sanchez, Kate Republican Yea
Ta, Tri Republican Nay
Tangipa, David J. Republican Nay
Wallis, Greg Republican Nay

Official roll call →

Do pass as amended.

Passed 11 Yea · 4 Nay
Party YeaNayPresentNot Voting
Democratic 11000
Republican 0400
Total 11400
% of votes cast 73%27%0%0%
How each member voted (15)
Member Party Vote
Aguiar-Curry, Cecilia M. Democratic Yea
Calderon, Lisa Democratic Yea
Caloza, Jessica Democratic Yea
Fong, Mike Democratic Yea
González, Mark Democratic Yea
Krell, Maggy Democratic Yea
Pacheco, Blanca Democratic Yea
Pellerin, Gail Democratic Yea
Sharp-Collins, LaShae Democratic Yea
Solache, Jr., José Luis Democratic Yea
Wicks, Buffy Democratic Yea
Dixon, Diane Republican Nay
Hoover, Josh Republican Nay
Ta, Tri Republican Nay
Tangipa, David J. Republican Nay

Official roll call →

Do pass and be re-referred to the Committee on [Appropriations]

Passed 9 Yea · 4 Nay · 1 Other
Party YeaNayPresentNot Voting
Democratic 9001
Republican 0400
Total 9401
% of votes cast 64%29%0%7%
How each member voted (14)
Member Party Vote
Bryan, Isaac G. Democratic Yea
Connolly, Damon Democratic Yea
Garcia, Robert Democratic Not Voting
Haney, Matt Democratic Yea
Kalra, Ash Democratic Yea
Muratsuchi, Al Democratic Yea
Pellerin, Gail Democratic Yea
Schultz, Nick Democratic Yea
Wicks, Buffy Democratic Yea
Zbur, Rick Chavez Democratic Yea
Alanis, Juan Republican Nay
Ellis, Stan Republican Nay
Hoover, Josh Republican Nay
Macedo, Alexandra Republican Nay

Official roll call →

Do pass as amended and be re-referred to the Committee on [Natural Resources]

Passed 13 Yea · 5 Nay
Party YeaNayPresentNot Voting
Democratic 13000
Republican 0500
Total 13500
% of votes cast 72%28%0%0%
How each member voted (18)
Member Party Vote
Boerner, Tasha Democratic Yea
Calderon, Lisa Democratic Yea
González, Mark Democratic Yea
Harabedian, John Democratic Yea
Hart, Gregg Democratic Yea
Irwin, Jacqui Democratic Yea
Kalra, Ash Democratic Yea
Papan, Diane Democratic Yea
Petrie-Norris, Cottie Democratic Yea
Rogers, Chris Democratic Yea
Schiavo, Pilar Democratic Yea
Schultz, Nick Democratic Yea
Zbur, Rick Chavez Democratic Yea
Chen, Phillip Republican Nay
Davies, Laurie Republican Nay
Patterson, Joe Republican Nay
Ta, Tri Republican Nay
Wallis, Greg Republican Nay

Official roll call →

Subjects

technology energy
Cross-referencing the record. Reading this bill against every other bill in the corpus by meaning, not keywords. Only the first open is slow. It’s instant for you after this. Matching · Ranking · Engrossing

Frequently asked questions

What does AB 1577 do?
Data centers: reporting.
Who sponsors AB 1577?
AB 1577 is sponsored by Bauer-Kahan, Rebecca (Democratic).
What is the current status of AB 1577?
This bill has been sent to the executive. Introduced January 12, 2026. It awaits signature.
Where can I track AB 1577?
Track AB 1577 free on One Click Politics — get push/email alerts when it moves.

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