Aterio Flags Delay Risk for Oracle’s 1.3 GW Wisconsin Data Center

Restarted transmission review puts meaningful power at Vantage's Port Washington campus closer to mid-2028 than Oracle's 2027 target VANCOUVER, British Columbia, September 30, 2026--(BUSINESS WIRE)--Aterio, a provider of forward-looking data on U.S. infrastructure development, today published an analysis of Project Lighthouse, the Port Washington, Wisconsin campus Vantage Data Centers is building for Oracle (NYSE: ORCL). Based on regulatory filings reviewed through September 24, 2026, Aterio sees a material risk the site misses Oracle's second-half 2027 delivery guidance, with meaningful load unlikely before mid-2028. Vantage has said it expects full campus buildout by 2028. The full report is available on the Aterio website.