CAL.Regulation
California requires large data centers to report energy and operating metrics
AB 1577 (Chapter 434), signed September 21, requires owners or operators of data centers with at least 10 megawatts of electrical capacity to report energy and operating data to the California Energy Commission at energization and annually thereafter. The commission must publish the data in anonymized, aggregated form on its website and assess data-center electricity load trends in its biennial Integrated Energy Policy Report beginning in 2029.
Enrolled text (California Legislative Information) → · Governor of California
Key points
- Applies to data centers of at least 10 megawatts; excludes research, public safety, national security, and publicly owned facilities.California Legislative Information
- Initial report at energization covers name, addresses, start date, floor area, and anticipated peak capacity.California Legislative Information
- Annual reports cover maximum load, energy use, power usage effectiveness, refrigerants, and onsite generation.California Legislative Information
- The commission must publish submitted data annually in anonymized, aggregated form on its website.California Legislative Information
- Starting with the 2029 Integrated Energy Policy Report, the commission assesses data-center load trends biennially.California Legislative Information
- Reporting rules must reduce duplicate filings and allow for delays in obtaining utility data; the law takes effect January 1, 2027.California Legislative Information
Sources2 articles across 2 outlets
California Legislative Information
Governor of California