Seattle's city council unanimously approved a year-long moratorium on new datacenter construction Tuesday, making it the largest U.S. city to enact such a ban as concerns over AI infrastructure's energy consumption intensify nationwide.
The moratorium targets datacenters designed to support artificial intelligence operations, reflecting growing tensions between tech expansion and environmental sustainability in major metropolitan areas.
Seattle, home to Amazon and Microsoft headquarters, joins a growing list of jurisdictions scrutinizing AI infrastructure development. The ban prevents new datacenter permits from being issued during the 12-month period, though the council unanimously supported the measure.
Datacenters powering AI systems consume massive amounts of electricity. Training large language models and running inference operations require continuous power, straining local grids and water supplies used for cooling systems. The environmental impact has sparked debate in tech-heavy regions worldwide.
The moratorium gives Seattle time to develop policies addressing datacenter expansion. City officials plan to study the infrastructure's effects on energy demand, water usage, and grid capacity. The temporary ban also allows for public input on long-term regulations.
Tech companies have faced increasing pushback over datacenter projects. Other cities have considered or implemented similar restrictions as energy demands from AI proliferate. Utilities in multiple states have warned that AI infrastructure could strain existing power systems.
Amazon and Microsoft, both headquartered in the Seattle area, have announced significant AI investments and datacenter expansion plans. The ban applies to new construction permits, but existing projects and facilities remain unaffected.
The council's unanimous vote suggests broad political alignment on the issue. City leaders indicated they want to balance technological innovation with environmental and infrastructure concerns.
Seattle's action comes as the federal government, states, and municipalities grapple with regulating AI infrastructure growth. The ban represents one of the most aggressive local responses to date, potentially influencing policy in other tech hubs facing similar pressures.
British Columbia filed a lawsuit against OpenAI in California, claiming the company could have used ChatGPT logs to alert police and prevent a mass shooting in the province earlier this year.
California Gov. Gavin Newsom signed seven bills Monday to regulate the data center industry, imposing new requirements on electricity costs, water use, and local oversight.
Samsung C&T committed up to $100 million to help Kairos Power build its first 50-megawatt nuclear facility, which will supply power to Google's data centers.
Democratic Rep. Suhas Subramanyam of Virginia is calling for a federal strategy to manage AI data center expansion, arguing that state-by-state approaches leave communities shouldering infrastructure costs without coordination.