AI Data Center List

Stargate Wisconsin (Port Washington)

AI data center in Port Washington, Wisconsin, operated by Oracle (for OpenAI).

Vantage Data Centers' campus in Port Washington, Wisconsin, a Stargate site with Oracle as operator for OpenAI. Oracle and Vantage are working with WEC Energy Group on new generation.

Live power
— Nothing live yet
Planned power
1,300MW 3 Epoch AI estimate
Status
Under construction First power not announced
Accelerators
— No audited count published

Power: what each source says

Epoch AI projects ~1.3 GW facility (902 MW IT) by end-2028 from the site's environmental analysis (estimate). Ground broken 2026-01; Epoch satellite review 2026-07-24: buildings 1-2 roughly half roofed.

Figures labelled Epoch AI are estimates from satellite imagery, permits and filings. Company figures come from the operator, owner or its filings. IT power is what the servers draw; in Epoch AI’s figures for these campuses it runs about 15–35% below total facility power.

Tenants

OpenAI

Campus facts

Operator
Oracle (for OpenAI) 1
Owner / developer
Vantage Data Centers 1
City
Port Washington 1
State / region
Wisconsin 1
Country
United States 1
First power
Not published
Chips
Not published
GPUs / accelerators
Not published
Cooling
Not published
Power source
grid (We Energies / WEC Energy Group) 1
Coordinates
43.39° N, 87.88° W (town level)
Verified

Sources

  1. Vantage Data Centers: Port Washington, Wisconsin accessed 2026-11-09
  2. OpenAI: Stargate Community accessed 2026-11-09
  3. Epoch AI: OpenAI Stargate, where the US sites stand (licence: CC BY 4.0) accessed 2026-11-09