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AB-1577 • 2026

Data centers: reporting.

Data centers: reporting.

Energy Privacy Taxes
Active

The official status still shows this bill as active or still awaiting another formal step.

Sponsor
Bauer-Kahan
Last action
Official status
Senate - Appropriations
Effective date
Not listed

Plain English Breakdown

The specific definition of 'data center' is referenced but not provided in the source text.

AB-1577: Data Center Reporting Requirements

This law requires data center owners to share specific energy and location details with state officials and local agencies while protecting customer privacy.

What This Bill Does

  • Requires the State Energy Resources Conservation and Development Commission to create a process for data centers to report their size, location, power usage effectiveness, and fuel use from onsite generators or other specified systems.
  • Mandates that the commission include an analysis of electricity load trends from data centers in its biennial energy policy reports starting with the 2029 edition.
  • Requires the commission to publish reported information annually on its website in a format that hides individual identities and aggregates the data.
  • Asks data center owners or developers to provide local agencies with expected yearly energy use and sound levels when applying for construction permits, entitlements, or land use authorizations.
  • Allows local agencies to use this new information for land planning, infrastructure projects, energy supply assessment, and environmental reviews.
  • Creates a way for data centers to get an exemption from reporting if the data would reveal trade secrets.

Who It Names or Affects

  • Owners or developers of data centers
  • The State Energy Resources Conservation and Development Commission
  • Local agencies that issue permits

Terms To Know

Power usage effectiveness
A measure defined by the bill to show how efficiently a data center uses electricity.
Discretionary permit, entitlement, or land use authorization
An official approval required from local agencies before building or operating a facility.
Integrated energy policy report
A biennial document created by the state commission that outlines California's energy plans and trends.

Limits and Unknowns

  • The bill does not specify exact dates for when data centers must submit their first reports, leaving this to be decided by the commission.
  • It is unclear which specific types of fuel-based systems are included in the reporting requirements beyond onsite generators as specified by the commission.
  • The law limits public access to certain details but allows exceptions described only as 'except as provided' without full detail.

Bill History

  1. California Legislative Information

    Senate - Appropriations

Official Summary Text

Data centers: reporting.