Stargate Lighthouse Campus

Facility record

Lifecycle

Under constructionSource-reported lifecycle

Location precision

approximate

Address as listed

Between I-43, Dixie Road, and the Ozaukee Interurban Trail, north of the city of Port Washington

Coordinates

43.3882, -87.8753

Serving utility, source-reported

We Energies (WEC Energy Group)

Operational capacity, source-reported

Not published

Planned capacity, source-reported

902 MW

Source record updated

2026-10-30

Source-reported capacity; not metered consumption. Review underlying documents and notes. Planned capacity may include future phases and is not added to operational capacity here. The source may use facility, grid-feed or IT capacity definitions; consult the linked documents.

Coordinate precision is a source label, not an independent parcel survey. A marker does not confirm utility territory or establish an effect on residential bills.

Reported lifecycle history

1. 2025Proposed

   Announced as Stargate Wisconsin site; $15B, 4-building campus on 674 acres north of Milwaukee

   Underlying source
2. 2025-12Under construction

   Ground broken; foundation work visible in satellite imagery; Phase 1 ($8B) targeted 2028

   Underlying source

Source notes

The planned 902 MW is the campus's IT capacity, per Data Center Knowledge (December 2025).

Vantage commits to '100% Matched Zero-Emission Energy' via solar, wind, and battery storage; the four buildings need ~1.3 GW, served under a dedicated We Energies rate with Vantage underwriting the power infrastructure. A $1.4B transmission line was proposed by American Transmission Co.

Sources and provenance

• OpenAI, Oracle, and Vantage Data Centers Announce Stargate Site in Wisconsin — Vantage · source retrieved 2026-08-04
• Vantage Breaks Ground on $15B Stargate Campus in Wisconsin — Data Center Knowledge · source retrieved 2026-07-05
• $15B Stargate data center breaks ground in Wisconsin · source retrieved 2026-07-06
• Did Port Washington voters stop a $458 million data center project? · source retrieved 2026-07-06
• Port Washington voters pass referendum fueled by concerns about data center project · source retrieved 2026-07-06
• Groundbreaking held as construction begins on $15 billion Port Washington data center · source retrieved 2026-08-04
• Large data center may be coming to Port Washington · source retrieved 2026-09-10
• Tech giant sues Wisconsin regulator over data center restrictions · source retrieved 2026-09-10
• Groups sue Wisconsin DNR over environmental review of Port Washington data centers · source retrieved 2026-09-10
• DOR Qualified Data Center Exemption — Oracle America Cloud Services LLC (formerly Green Chile Ventures, LLC), Port Washington, WI: "Four data center buildings at 531, 533, 701, and 723 E. Lake Drive", certified 10/31/2025 · source retrieved 2026-09-13
• OpenStreetMap/Nominatim geocode of Lake Drive, Town of Port Washington, Ozaukee County, WI 53074 (postal code provenance) · source retrieved 2026-09-13

Power Wars capture: 2026-11-02. Compute Atlas, CC BY 4.0. Entries are not independently verified by Power Wars unless stated.