Stargate Port Washington (Lighthouse)

Vantage Data Centers, OpenAI, Oracle · Port Washington, Wisconsin

StatusAnnounced

Capacity1,000 MW

Investment$15B

First seenJun 11, 2025

Latest newsSep 16, 2026

Confidencehigh

Stargate site developed by Vantage for OpenAI and Oracle, reported at close to a gigawatt.

Open in the Project Atlas

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Status timeline

1. Aug 20, 2025Approval BizTimes - Milwaukee Business News
2. Oct 1, 2025Announced (curated)

News about this project

• Oracle plans to cover extra electric costs for Port Washington data centerThe Business Journals · Sep 16, 2026 · Announced
• $11.4M water main project planned to serve Vantage Data Centers site in Port WashingtonThe Business Journals · Sep 9, 2026 · Announced
• Will Vantage live up to jobs expectations when AI facility opens in Port Washington?TMJ4 News · Jul 29, 2026 · Operational
• Vantage and Unions to Build Port Washington Data CentreData Centre Magazine · Oct 31, 2025 · Announced
• Vantage Data Centers and Wisconsin Building Trades Council Partner to Build Port Washington Data Center DevelopmentBusiness Wire · Oct 30, 2025 · Announced
• OpenAI, Oracle plan $15B data center site in WisconsinConstruction Dive · Oct 28, 2025 · Announced
• OpenAI, Oracle and Vantage to build $15B+ data center campus in WisconsinSiliconANGLE · Oct 23, 2025 · Announced
• OpenAI, Oracle, and Vantage plan Stargate Wisconsin data center, expected to be 'close to a gigawatt'Data Center Dynamics · Oct 23, 2025 · Announced
• OpenAI, Oracle and Vantage Data Centers Announce Stargate Data Center Site in WisconsinBusiness Wire · Oct 22, 2025 · Announced
• OpenAI, Oracle and Vantage to build Stargate data center site in WisconsinReuters · Oct 22, 2025 · Announced
• Oracle, OpenAI to Build $15 Billion Data Center Site in WisconsinWSJ · Oct 22, 2025 · Announced
• Port Washington approves $8 billion Vantage Data Centers project - BizTimes - Milwaukee Business NewsBizTimes - Milwaukee Business News · Aug 20, 2025 · Announced
• Vantage identified as operator for Port Washington's proposed 3.5 gigawatt data center campusMilwaukee Journal Sentinel · Jun 11, 2025 · Announced