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California enacts 7 bills that could reshape AI data centre rules, tightening responsibility for power and water costs

California Governor Gavin Newsom signed seven bills to tighten rules on how AI data centres use electricity and water and how related costs are shared. The package focuses on clearer disclosure of impacts on local grids and water supplies and aims to prevent shifting costs to other customers. Measures require reporting to regulators, revise rate structures and set rules for water approvals and infrastructure upgrades. The bills also direct regulators to update interconnection and tariff rules by 2028.