Curated reference and analysis. Last full review: June 17, 2026
Verify all figures against ISO sources before relying on them for project decisions.
Grid Interconnection Tracker
U.S. ISO / RTO Large-Load Positioning
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Exhibit 2 · Project signal

Stargate Lighthouse (Vantage, Port Washington)

Data Center · Permitting
ISO/RTO:MISOConfidence:Medium
Status
Permitting
State
WI
County
Ozaukee County
Nearest city
Port Washington
ISO / RTO
Midcontinent Independent System Operator
Utility
We Energies (WEC)
Developer / owner
Vantage Data Centers; Stargate JV
Estimated load
900 MW
Estimated generation
Not disclosed
Reported capex (as cited)
Not publicly itemized
Announced
2025
Expected COD
Not confirmed
Public summary
A planned Vantage campus tied to the Stargate program, the largest proposed data center in Wisconsin at roughly 900 MW. Grid-supplied; utility coordinating new generation.
Grid relevance
A second gigawatt-class Stargate site in MISO, signaling the program is spreading beyond ERCOT into the upper Midwest.
Last updated
2026-06-17
Sources
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