Vantage Lighthouse campus (Stargate Wisconsin)
Port Washington, Ozaukee County, WI
Vantage Lighthouse campus (Stargate Wisconsin) is a data center under construction in Port Washington, WI, developed by Vantage Data Centers (OpenAI / Oracle anchor). The project is sized at 1,000 MW with an estimated investment of $15 billion. $15bn+, four-building, ~1GW Stargate campus on 672 acres near I-43; only Midwest Stargate site; broke ground Dec 2025, completion targeted 2028; 4,000+ construction jobs.
- 1,000 MWPlanned capacity
Project status
- Announced Oct 22, 2025
- Permitting
- Under construction December 2025
- Operational
Recorded changes
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Community sentiment
Should this project be built?
What’s next
Election Day is in 10 days.
12:00 PM · WI
Ozaukee County: Budget Public Hearing
Latest news
Nothing written about this data center yet.
Stories about it, and about Ozaukee County, WI, land here.
Records and documentation
- Development Agreement Between the City of Port Washington and VDC Wisco / Vantage Data Centers Management Company, LLCSigned Aug 19, 2025, unanimously approved by Common Council Aug 20, 2025. ~$175M of city infrastructure (water/wastewater, power, water tower) reimbursed via a Tax Incremental District funded by the project's own property-tax revenue.Download
- Voter-Approved Ballot Measure on Data Center Tax IncentivesPort Washington, WI ballot measure requiring voter approval before any data center tax incentive, passed April 2026 with 66% approval.Download
- Ordinance No. 2025-28 — Annexation of 90.642 Acres (Temporary I-3 Zoning) for Vantage/VDC Wisco Data Center CampusPublic hearing Oct 7, 2025 -- annexes 90.642 acres from the Town of Port Washington into the city with temporary I-3 (Technology Campus District) zoning. Applicant: VDC Wisco Realty.Download
- Ordinance No. 2025-29 — Permanent Rezoning of 90.642 Acres to I-3 Technology Campus DistrictPermanent rezoning to I-3, the district the city created May 6, 2025 specifically for this campus. Plan Commission recommended approval; applicant VDC Wisco Realty Investments 1 LLC.Download
Wisconsin state legislation
- AB93 - Water resources reporting before data center business licenseRequires data center operators to report expected water use to water suppliers before applying for a business license.Download
- AB722 - Large energy customer fees and data center building requirementsSets large energy customer fees, renewable resource tariff, building requirements, water usage, and required pay rate on data center projects.Download
- SB729 - Large energy customer fees (Senate companion of AB722)Senate companion setting large energy customer fees, renewable tariff, building requirements, water usage, and pay rate for data centers.Download
- SB1061 - Moratorium on data centersEstablishes a moratorium on new data centers.Download
- SB843 - Certain requirements related to data centers.Description comingDownload
- AB840 - Certain requirements related to data centers.Description comingDownload
- AB1099 - Moratorium on data centers.Description comingDownload
Site details
- County
- Ozaukee County, WI
- Capacity
- 1,000 MW
- Address
- Port Washington, WI
- Stage
- Under construction
Size: not on file
Map
Photos
Google Street View
Google Street View
Google Street View
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