California governor signs seven bills tightening data centre energy and water rules

Sep 21, 2026 · Issue 8 · 7 sources, 7 articles

California Governor Gavin Newsom signed seven bills on Monday covering the data centre industry and setting new requirements. The package also affects the energy and water use of AI data centres.

Who is affected and how

energy specialist

The new requirements also affect grid connection and energy-use planning, so they must be built into the preparation of California projects.

supplier

Suppliers of energy- and water-saving cooling and power solutions can prepare offers tailored to the requirements.

engineer

In California data centre designs, energy and water metrics must be documented according to the new rules.

Sources

• California tightens rules on AI data center energy and water usethe verge · Sep 21, 2026
• California Won’t Cap AI Data Centers’ Water Use — Only Make Them Disclose Itmartin cid magazine · Sep 21, 2026
• The EU will force data centers to disclose their energy and water use - Engadgetengadget.com · Sep 21, 2026
• California tightens rules on AI data center energy and water use | The Vergetheverge.com · Sep 21, 2026
• EU to Require Data Centers to Disclose Energy and Water Efficiency - Insurance Journalinsurancejournal.com · Sep 22, 2026 · magyar
• Texas AG Paxton investigates hundreds of data centers over water useusatoday.com · Sep 24, 2026
• California governor signs broad data center oversight bill package - Reutersreuters.com · Sep 21, 2026

Machine-generated summary based on the titles and excerpts of the source articles. The facts come from the linked article.