Involta data center Involta
An operating Involta data center site in Calumet County, WI, mapped in OpenStreetMap and the IM3 Open Source Data Center Atlas. About 60,000 square feet of building is mapped.
Data centers in Calumet County
We track 1 project inside Calumet County and 0 more within 25 miles of it. For a distance-specific answer, check your own address.
In Calumet County
Power bills in Calumet County
Transmission upgrades like this are typically billed to every electric customer in the state through transmission charges, not just to the data center that made the new line necessary, which is why the cost allocation question matters for ordinary bills even outside the four counties involved.
American Transmission Company's roughly 1.3 to 1.7 billion dollar transmission project to serve the Vantage data center campus, whose tenants include OpenAI and Oracle, in Port Washington had been deemed a complete application on December 15, 2025. On August 6, 2026 the Public Service Commission of Wisconsin voted unanimously to revoke that completeness determination, the first time in the agency's 95 year history it has done so, citing 564 revised or refiled documents that made the record too murky to review. ATC refiled the application on September 14, 2026 under a new name, the Ozaukee County Distribution Interconnection Project, restarting the roughly six month review clock; broader regional upgrades tied to the project have pushed total contingency cost estimates as high as 2.5 to 2.7 billion dollars.
Every Wisconsin rate case in dollars a month, with hearing dates: willmybillgoup.com, our rate case tracker.
Alerts for Calumet County
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