Why Seattle’s data center moratorium isn’t stopping new projects
Seattle's one-year moratorium on new large data centers does not apply to projects whose permit applications were submitted before the ban. Equinix and Digital Realty projects could add nearly 100 megawatts of peak electricity demand, while Prologis continues to explore two additional projects in the utility's service area.
Seattle adopted a one-year moratorium on new large data centers after a public backlash fueled by concerns that five proposed projects could consume 369 megawatts. However, a nine-story Equinix facility in Sodo and a six-story Digital Realty facility downtown are moving forward because their permit applications were filed before the moratorium took effect. Together, the projects could require nearly 100 megawatts of peak demand.
Seattle City Light has created a framework requiring large data centers to help pay for grid infrastructure and reduce electricity use during peak periods. Equinix's Sodo project would require a dedicated transmission connection, a company-owned substation and upgrades to an existing substation. Prologis has not withdrawn two exploratory proposals, including projects in Sodo and nearby Tukwila within Seattle City Light's service area, while state lawmakers and regulators consider similar protections for large electricity loads.