FACILITY PROFILE · WI

Stargate Lighthouse Campus

Vantage Data Centers · Port Washington · WI

PROJECT FACTS

Facility overview

Under Construction

Operator: Vantage Data Centers
Location: Port Washington, Ozaukee, WI
Operating power capacity: Not publicly reported
Planned power capacity: 902.0 MW
AI classification: Confirmed
Source confidence: Reported
Reported energy source: mixed
Reported utility: We Energies (WEC Energy Group)
Cooling system: closed_loop
Location accuracy: exact
Original announcement: 2025
Source record updated: 2026-09-13

Operating MW and planned MW are separate disclosures, not automatically additive. Blank values mean no established source figure; they do not mean zero. Geolocation may be approximate or represent multiple sites.

SOURCE DOCUMENTATION

Original source links

OpenAI, Oracle, and Vantage Data Centers Announce Stargate Site in Wisconsin — Vantage ↗2026-08-04

Vantage Breaks Ground on $15B Stargate Campus in Wisconsin — Data Center Knowledge ↗2026-07-05

$15B Stargate data center breaks ground in Wisconsin ↗2026-07-06

Did Port Washington voters stop a $458 million data center project? ↗2026-07-06

Port Washington voters pass referendum fueled by concerns about data center project ↗2026-07-06

Groundbreaking held as construction begins on $15 billion Port Washington data center ↗2026-08-04

Large data center may be coming to Port Washington ↗2026-09-10

Tech giant sues Wisconsin regulator over data center restrictions ↗2026-09-10

Groups sue Wisconsin DNR over environmental review of Port Washington data centers ↗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 ↗2026-09-13

OpenStreetMap/Nominatim geocode of Lake Drive, Town of Port Washington, Ozaukee County, WI 53074 (postal code provenance) ↗2026-09-13

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