Protests and political debate over data centre construction have emerged across California’s San Francisco Bay Area as communities grapple with the rapid expansion of facilities needed to support artificial intelligence services. Activists and residents have raised concerns that data centres consume substantial amounts of electricity and water, potentially driving up local power costs and straining regional infrastructure. The movement has gained sufficient momentum that at least seven Bay Area cities, including San Francisco, Oakland, and Richmond, have implemented temporary moratoriums on new data centre construction within the final two months leading up to midterm elections.
The issue has become particularly prominent in a closely watched congressional race to fill the seat vacated by retiring Democratic leader Nancy Pelosi. The two Democratic candidates competing for the position—San Francisco Supervisor Connie Chan and state Senator Scott Wiener—have taken opposing stances on data centre regulation. Wiener opposes comprehensive bans, arguing they could undermine artificial intelligence regulation efforts, while Chan has called for a nationwide moratorium until responsible AI regulations are established. A mid-October poll showed Wiener leading Chan by six percentage points.
Public sentiment appears strongly aligned with opponents of data centre expansion. An October poll found that 63 percent of registered US voters oppose building data centres within ten miles of their homes. Political analysts note that widespread public opposition and the proximity to elections have likely contributed to the passage of moratoriums with relatively little industry pushback during local hearings. However, observers suggest that opposition to the bans may intensify once the temporary moratoriums expire.
Several obstacles complicate efforts to regulate data centre development. San Francisco’s planning code definition of data centres, established in 2001, predates the artificial intelligence boom and may not accurately reflect current technology. This outdated language has hindered city authorities’ ability to identify and monitor data centres for their power and water consumption. Additionally, environmental advocates note that 45-day moratorium periods may be insufficient for comprehensive impact assessments, and non-disclosure agreements between data centres and operators limit transparency regarding their environmental effects.
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