More than 100 Data Centers Already Dot Silicon Valley Landscape, More on the Way
San Jose and other California cities are grappling with the rapid expansion of data centers, facing public demands for a construction moratorium due to concerns over electricity and water usage, and carbon emissions. While San Jose's mayor is championing data center growth, a proposed AI data center in Siskiyou County was recently blocked due to significant community opposition. The situation highlights a broader statewide and national debate on responsible data center development.
California cities, including San Jose and Gilroy, along with the state Legislature, are actively seeking ways to regulate the booming data center industry. This comes as Silicon Valley continues to see significant data center expansion, with San Jose alone reporting 47 existing facilities and 34 new projects under review. The growth has sparked calls for a temporary construction moratorium from residents and climate groups, who cite concerns about the strain on the power grid, water consumption, and carbon emissions.
San Jose Mayor Matt Mahan, however, views data center development as crucial for the city's future, having announced an agreement with PG&E to deliver over 2,000 megawatts of energy to establish San Jose as a premier destination for data centers. He recently presided over a groundbreaking ceremony for a Microsoft data center in Alviso, within San Jose.
In contrast, a proposed artificial intelligence data center near Mount Shasta in unincorporated Siskiyou County faced overwhelming public opposition and was ultimately abandoned. The project, planned for a former Crystal Geyser water bottling facility, was rejected by City Manager Todd Juhasz after significant pushback from residents, environmental groups, and the Winnemem Wintu Tribe, including an online petition and hostile communications. Siskiyou County officials confirmed no formal development applications were filed.
The debate extends beyond California, with national data showing hundreds of data centers across major tech hubs. Energy and water watchdogs nationwide are raising alarms about the increased demand on public utilities, potential rate increases, and the environmental and health impacts, including projected increases in energy use, greenhouse gas emissions, and associated health costs.