California Gov. Gavin Newsom signs seven bills aimed at regulating data centers, imposing new requirements on electricity costs, water use, and local oversight

New data center projects in California must now disclose water use and face stricter cost allocation for electricity.

California Governor Gavin Newsom has signed seven new bills imposing significant regulations on data center development within the state. These laws address concerns about the environmental and economic impacts of the burgeoning AI industry. Key provisions include preventing data centers from passing on electricity costs to general ratepayers and introducing new requirements for developers to disclose their projected water usage. Furthermore, the legislation mandates that data centers undergo state-mandated environmental reviews and establishes new power rate structures managed by the California Public Utilities Commission to cover grid connection and electricity costs. The governor previously vetoed a water-reporting bill, seeking more understanding of its business and consumer impacts, but has since committed to increased regulation amid growing local opposition and community concerns about the energy and water demands of AI-driven data centers. Business groups, including those representing Google and Microsoft, argued the bills would stifle economic growth, while a recent survey indicated strong public opposition to new data center construction in California.

The newly signed legislation directly addresses the significant resource demands of data centers, particularly those supporting AI, by imposing new financial and transparency requirements. By preventing cost-shifting of electricity expenses and mandating water usage disclosure, California is attempting to internalize the externalities of data center development. This move signals a potential trend for other states to follow as they grapple with similar growth and resource concerns, potentially increasing the operational costs and complexity for data center developers nationwide.

The regulatory shift could affect the economic calculus for companies looking to build or expand data center infrastructure in California. While business groups argue this will hinder growth, the legislation aims to ensure that the benefits of data centers, such as job creation, do not come at an unacceptable cost to existing residents and the environment. Future developments will likely involve closer scrutiny of project proposals, with a greater emphasis on community engagement and environmental impact assessments, potentially slowing down the pace of new construction.