Back to the mapSee this site on the map/All of Wisconsin
Ark Data Centers
Ark Data Centers Harrison (formerly Involta)
Calumet County, Wisconsin
Operating
- Capacity
- 20 MWreported
- To protected land
- ~30miabout, from Winnebago County Waterfowl Production Area Of Wi
- Capacity20 MWreported
- FootprintMid-size
The source
Data Center DynamicsSource-checked, read back against the document on Sep 10, 2026.
What’s happened here
Nothing dated on this site yet beyond its listing. A hearing, a filing, a vote, a photograph from the road: if you know of one, it belongs here.
Add to the record
What you post goes on this page the moment its source checks, labeled as a reader’s report. We don’t edit it and we don’t take sides on it.
Something on this page wrong?
Tell us what’s wrong and where you saw it. We check it in the public record, and a listing that changes says so on this page.
Also in Wisconsin
- Oracle Port Washington Data Center (Vantage Lighthouse Campus)Oracle · Ozaukee County
- LighthouseVantage Data Centers · Ozaukee County
- Microsoft International Drive Campus (Mount Pleasant)Microsoft · Racine County
- Meta Beaver Dam Data CenterMeta · Dodge County
- Dane County Data Exchange 2Dane County Data Exchange · Dane County
- DPO Wisconsin Rapids Data CenterDigital Power Optimization (DPO) · Wood County