Data center campus
Vantage Port Washington (Lighthouse) Campus
Vantage Port Washington (Lighthouse) Campus is an announced AI data center campus. 0.90 GW of capacity has been announced; none is energized yet. The gap is what this page tracks: what is claimed versus what is actually built, each figure dated and sourced.
Under construction · greenfield · MISO · Port Washington, Wisconsin, United States
Capacity: announced vs energized
Announced-to-energized gap: 0.90 GW. Every figure below is a single dated, sourced claim. Current best per series resolves by evidence tier, then date. See the methodology.
| Source | ||||
|---|---|---|---|---|
| Announced | 0.90 GW | 2025-10-22 | reported | press release |
| Contracted | 1.30 GW | 2025-10-01 | reported | utility filing |
The deal
- developer
- Vantage Data Centers · Underwriting 100% of power infrastructure
- operator
- Vantage Data Centers
- offtaker
- OpenAI · Stargate program
- offtaker
- Oracle · Stargate program
- utility
- We Energies (WEC Energy Group) · Dedicated large-customer electricity rate
- financier
- Cloverleaf Infrastructure · Co-party on PSC collateral tariff filing
Power
- Power source
- grid
- Grid operator
- MISO
- Interconnection
45 diesel emergency generators (Wisconsin DNR permit 25-MIN-094), grid interconnect, Permitted. Backup generation air permit issued 2026-06-12
Sources
- Port Washington Data Center Proposal (environmental review, air permit 25-MIN-094)
- Vantage seeking 1.3GW grid connection for data center in Port Washington
- Utility, data center developers want tech giant exempted from collateral requirements
- OpenAI, Oracle and Vantage Announce Stargate Site in Wisconsin
ac248e13-c7bf-4ec3-a3bf-7819994a8940 · Tracked with DEPLOY's verified-vs-claimed methodology. Announced numbers are claims, not built capacity.