A.B. 1577: Data centers: reporting.

What happened, and when

1. September 21, 2026 Signed

   A.B. 1577 was signed. leginfo.legislature.ca.gov primary source [1] The official action text: Chaptered by Secretary of State - Chapter 434, Statutes of 2026..

2. August 27, 2026 Passed second chamber

   A.B. 1577 passed the Assembly. leginfo.legislature.ca.gov primary source [1] The official action text: Senate amendments concurred in. To Engrossing and Enrolling. (Ayes 58. Noes 11.)..

3. August 13, 2026 In committee

   A.B. 1577 went to committee in the Senate. leginfo.legislature.ca.gov primary source [1] The official action text: From committee: Amend, and do pass as amended. (Ayes 5. Noes 2.) (August 13)..

4. August 3, 2026 In committee

   A.B. 1577 went to committee in the Senate. leginfo.legislature.ca.gov primary source [1] The official action text: In committee: Referred to APPR. suspense file..

5. July 2, 2026 In committee

   A.B. 1577 went to committee in the Senate. leginfo.legislature.ca.gov primary source [1] The official action text: Read second time and amended. Re-referred to Com. on APPR..

6. July 1, 2026 In committee

   A.B. 1577 went to committee in the Senate. leginfo.legislature.ca.gov primary source [1] The official action text: From committee: Amend, and do pass as amended and re-refer to Com. on APPR. (Ayes 11. Noes 2.) (June 30)..

7. June 24, 2026 In committee

   A.B. 1577 went to committee in the Senate. leginfo.legislature.ca.gov primary source [1] The official action text: From committee: Do pass and re-refer to Com. on JUD. (Ayes 13. Noes 4.) (June 24). Re-referred to Com. on JUD..

8. June 11, 2026 In committee

   A.B. 1577 went to committee in the Senate. leginfo.legislature.ca.gov primary source [1] The official action text: 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..

9. June 10, 2026 In committee

   A.B. 1577 went to committee in the Senate. leginfo.legislature.ca.gov primary source [1] The official action text: Referred to Coms. on E., U & C. and JUD..

10. May 27, 2026 In committee

    A.B. 1577 went to committee in the Senate. leginfo.legislature.ca.gov primary source [1] The official action text: In Senate. Read first time. To Com. on RLS. for assignment..

11. May 26, 2026 Passed first chamber

    A.B. 1577 passed the Assembly. leginfo.legislature.ca.gov primary source [1] The official action text: Read third time. Passed. Ordered to the Senate. (Ayes 57. Noes 16.).

12. May 14, 2026 In committee

    A.B. 1577 went to committee in the Assembly. leginfo.legislature.ca.gov primary source [1] The official action text: From committee: Amend, and do pass as amended. (Ayes 11. Noes 4.) (May 14)..

13. May 6, 2026 In committee

    A.B. 1577 went to committee in the Assembly. leginfo.legislature.ca.gov primary source [1] The official action text: In committee: Set, first hearing. Referred to APPR. suspense file..

14. April 21, 2026 In committee

    A.B. 1577 went to committee in the Assembly. leginfo.legislature.ca.gov primary source [1] The official action text: From committee: Do pass and re-refer to Com. on APPR. (Ayes 9. Noes 4.) (April 20). Re-referred to Com. on APPR..

15. April 14, 2026 In committee

    A.B. 1577 went to committee in the Assembly. leginfo.legislature.ca.gov primary source [1] The official action text: Re-referred to Com. on NAT. RES..

16. April 9, 2026 In committee

    A.B. 1577 went to committee in the Assembly. leginfo.legislature.ca.gov primary source [1] The official action text: From committee: Amend, and do pass as amended and re-refer to Com. on NAT. RES. (Ayes 13. Noes 5.) (April 8)..

17. April 6, 2026 In committee

    A.B. 1577 went to committee in the Assembly. leginfo.legislature.ca.gov primary source [1] The official action text: Re-referred to Com. on U. & E..

18. March 26, 2026 In committee

    A.B. 1577 went to committee in the Assembly. leginfo.legislature.ca.gov primary source [1] The official action text: From committee chair, with author's amendments: Amend, and re-refer to Com. on U. & E. Read second time and amended..

19. March 16, 2026 In committee

    A.B. 1577 went to committee in the Assembly. leginfo.legislature.ca.gov primary source [1] The official action text: Referred to Coms. on U. & E. and NAT. RES..

20. January 12, 2026 Introduced

    A.B. 1577 was introduced in the Assembly. leginfo.legislature.ca.gov primary source [1] The official action text: Read first time. To print..

Newest first. A stage is never overwritten; each entry carries the source it rests on. The status at the top is derived from the newest entry. The action text in Researcher mode is the legislature's own wording.

Sources

1. A.B. 1577 on the legislature's site leginfo.legislature.ca.gov

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