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State Government / California / Legislation / AB 1577

AB 1577Session 20252026HouseSent to governor

Data centers: reporting.

Source-provided summary

Existing law establishes the State Energy Resources Conservation and Development Commission and vests the commission with various responsibilities with respect to developing and implementing the state's energy policies. Existing law requires the commission to biennially adopt an integrated energy policy report, as specified, and to make the reports accessible to state, local, and federal entities and to the general public. This bill would require the commission to establish a process for the owner or operator of a data center, as defined, to submit specified information to the commission, including, among other information, the data center's location and size, the data center's power usage effectiveness, as defined, and the quantity of fuel consumed by onsite generators or other fuel-based energy systems, as specified. The bill would require the owner or operator of a data center to submit the required information in the manner and timeframe specified by the commission. The bill would require the commission, beginning with the 2029 integrated energy policy report, and in subsequent biennial reports thereafter as determined by the commission, to include an assessment of electrical load trends for data centers, as provided. The bill would require the commission to annually publish the information submitted in an anonymized and aggregated format on its internet website. The bill would require the commission to establish a process for the owner or operator of a data center to identify information that the owner or operator claims is exempted or prohibited from disclosure pursuant to federal or state law, as provided. The bill would require the owner or operator of a data center, upon applying for a discretionary permit, entitlement, or land use authorization required for the construction or operation of the data center, to submit to the applicable local agency, as defined, specified information, including the expected annual energy consumption, as specified, and the expected sound levels attributable to the operation of the data center, as provided. The bill would authorize the local agency to use this information for various purposes, including, but not limited to, land use planning, infrastructure planning, energy supply assessment, and environmental review. The bill would exempt a publicly funded research facility, public safety facility, publicly funded national security facility, publicly owned facility, or other utility facility, as provided, from the above-described provisions. The bill would prohibit the commission or a local agency from disclosing the information described above in a manner that would result in the disclosure of personally identifiable information or energy consumption data for a data center customer, as provided. Existing constitutional provisions require that a statute that limits the right of access to the meetings of public bodies or the writings of public officials and agencies be adopted with findings demonstrating the interest protected by the limitation and the need for protecting that interest. This bill would make legislative findings to that effect.

Latest development · Sep 4, 2026

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

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Source record ↗
Session
20252026
Introduced
Jan 12, 2026
Latest passage
Aug 26, 2026
TopicsSponsorsActionsRelated billsDiscussion

Topics and classification

Civixly topics

Justice & Public SafetyEnvironment & EnergyTechnology & Communications

Source subjects

Datacentersreporting

Document type

Bill

Sponsors

Primary sponsors are listed before cosponsors and other sponsoring entities.

Primary sponsorBauer-Kahan

Action timeline

Newest action first. Action language is supplied by the state source.

View full action timeline30 actions⌄
  1. Sep 4, 2026

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

    Executive ReceiptCalifornia State Legislature
  2. Aug 27, 2026

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

    Amendment PassageCommittee PassageCommittee Passage FavorableAssembly
  3. Aug 27, 2026

    In Assembly. Concurrence in Senate amendments pending.

    Assembly
  4. Aug 26, 2026

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

    PassageReading 1Reading 3Senate
  5. Aug 24, 2026

    Read second time. Ordered to third reading.

    Reading 1Reading 2Reading 3Senate
  6. Aug 21, 2026

    Read third time and amended. Ordered to second reading.

    Amendment PassageReading 1Reading 2Reading 3Senate
  7. Aug 17, 2026

    Read second time. Ordered to third reading.

    Reading 1Reading 2Reading 3Senate
  8. Aug 13, 2026

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

    Amendment PassageReading 1Reading 2Senate
  9. Aug 13, 2026

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

    Amendment IntroductionAmendment PassageCommittee PassageSenate
  10. Aug 3, 2026

    In committee: Referred to APPR. suspense file.

    Referral CommitteeSenate
  11. Jul 2, 2026

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

    Amendment PassageReading 1Reading 2Referral CommitteeSenate
  12. Jul 1, 2026

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

    Amendment IntroductionAmendment PassageCommittee PassageReferral CommitteeSenate
  13. Jun 24, 2026

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

    Committee PassageCommittee Passage FavorableReferral CommitteeSenate
  14. Jun 11, 2026

    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.

    Amendment IntroductionAmendment PassageCommittee PassageReading 1Reading 2Referral CommitteeSenate
  15. Jun 10, 2026

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

    Referral CommitteeSenate
  16. May 27, 2026

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

    Reading 1Referral CommitteeSenate
  17. May 26, 2026

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

    PassageReading 1Reading 3Assembly
  18. May 19, 2026

    Read second time. Ordered to third reading.

    Reading 1Reading 2Reading 3Assembly
  19. May 18, 2026

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

    Amendment PassageReading 1Reading 2Assembly
  20. May 14, 2026

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

    Amendment IntroductionAmendment PassageCommittee PassageAssembly
  21. May 6, 2026

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

    Referral CommitteeAssembly
  22. Apr 21, 2026

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

    Committee PassageCommittee Passage FavorableReferral CommitteeAssembly
  23. Apr 14, 2026

    Re-referred to Com. on NAT. RES.

    Referral CommitteeAssembly
  24. Apr 13, 2026

    Read second time and amended.

    Amendment PassageReading 1Reading 2Assembly
  25. Apr 9, 2026

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

    Amendment IntroductionAmendment PassageCommittee PassageReferral CommitteeAssembly
  26. Apr 6, 2026

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

    Referral CommitteeAssembly
  27. Mar 26, 2026

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

    Amendment IntroductionAmendment PassageCommittee PassageReading 1Reading 2Referral CommitteeAssembly
  28. Mar 16, 2026

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

    Referral CommitteeAssembly
  29. Jan 13, 2026

    From printer. May be heard in committee February 12.

    Assembly
  30. Jan 12, 2026

    Read first time. To print.

    Reading 1Assembly

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State legislative data provided by Open States and linked legislature sources when available.

Civixly tracks state bill actions, passage dates, and sponsors. Member-level state roll-call histories are not included.

Source data last updated Sep 5, 2026.