Data centers in Wisconsin
41 campuses on record across 17 of 72 counties.
Operating
21
Under construction
2
Proposed
18
Withdrawn
7
Rejected
2
By county
| County | On record | Operating | Proposed | Collected at |
|---|---|---|---|---|
| Racine County | 8 | 2 | 6 | tier2 |
| Dane County | 7 | 7 | 0 | tier2 |
| Milwaukee County | 5 | 4 | 1 | tier2 |
| Ozaukee County | 4 | 0 | 3 | tier1 |
| Rock County | 4 | 0 | 4 | tier1 |
| Dodge County | 3 | 0 | 2 | tier1 |
| Brown County | 1 | 1 | 0 | tier1 |
| Calumet County | 2 | 2 | 0 | tier2 |
| Dunn County | 1 | 1 | 0 | tier2 |
| Kenosha County | 2 | 0 | 2 | tier1 |
| Grant County | 0 | 0 | 0 | tier1 |
| Kewaunee County | 0 | 0 | 0 | tier1 |
| Marquette County | 1 | 1 | 0 | tier2 |
| Walworth County | 1 | 1 | 0 | tier2 |
| Washington County | 1 | 1 | 0 | tier1 |
| Waukesha County | 1 | 1 | 0 | tier2 |
| Wood County | 0 | 0 | 0 | tier1 |
55 counties in Wisconsin have nothing on record at the depth we collect there. That is an absence of records, not proof of an absence of data centers.
Capacity
- On record from a filing
- not stated
- 0 of 50 campuses
- As reported by directories
- 5,290 MW
- 20 of 50 campuses, unverified
The largest on record
| Campus | Status | County | Owner | Capacity |
|---|---|---|---|---|
| 324 E Wisconsin directory listing, unverified | Operating (inferred) | Milwaukee County | not resolved | not stated |
| 5Nines Data directory listing, unverified | Operating (inferred) | Dane County | not resolved | not stated |
| ark data centers - Green Bay, WI directory listing, unverified | Operating (inferred) | Calumet County | not resolved | not stated |
| Central Office | Operating (inferred) | Walworth County | AT&T | not stated |
| Data Holdings Data Center | Operating (inferred) | Milwaukee County | not traced | not stated |
| EdgeConneX MAD01 directory listing, unverified | Operating (inferred) | Dane County | not resolved | not stated |
| Ethoplex Data Center directory listing, unverified | Operating (inferred) | Washington County | not resolved | not stated |
| Ethoplex Edge DC - Green Bay directory listing, unverified | Operating (inferred) | Brown County | not resolved | not stated |
| Expedient Milwaukee | Operating (inferred) | Milwaukee County | not traced | not stated |
| Involta data center | Operating (inferred) | Calumet County | likely Involta | not stated |
| Lumen Madison 1 Data Center | Operating (inferred) | Dane County | likely Lumen Technologies | not stated |
| Marquette-Adams Telephone Coop | Operating (inferred) | Marquette County | not resolved | not stated |
| Microsoft Corporation - Mke 3B Data Center | Operating (inferred) | Racine County | Microsoft | not stated |
| Pewaukee Data Center | Operating (inferred) | Waukesha County | likely WE Energies | not stated |
| SupraNet Communications Madison directory listing, unverified | Operating (inferred) | Dane County | not resolved | not stated |
| TierPoint Milwaukee | Operating (inferred) | Milwaukee County | not traced | not stated |
| University of Wisconsin-Madison directory listing, unverified | Operating (inferred) | Dane County | not resolved | not stated |
| Unnamed data center (way/447803368) | Operating (inferred) | Dane County | not resolved | not stated |
| Unnamed data center (way/919948160) | Operating (inferred) | Racine County | not resolved | not stated |
| US Signal WI02 - Madison directory listing, unverified | Operating (inferred) | Dane County | not resolved | not stated |
| West Wisconsin Telcom data center | Operating (inferred) | Dunn County | likely West Wisconsin Telcom | not stated |
| Beaver Dam Meta Data Center directory listing, unverified | Under construction (inferred) | Dodge County | not traced | not stated |
| Project Lighthouse directory listing, unverified | Under construction (inferred) | Ozaukee County | not traced | not stated |
| Data center directory listing, unverified | Proposed (inferred) | Milwaukee County | not resolved | not stated |
| Edge Data Center directory listing, unverified | Proposed (inferred) | Dodge County | not resolved | not stated |
| Fredonia Data Center directory listing, unverified | Proposed (inferred) | Ozaukee County | not resolved | not stated |
| Janesville Data Center directory listing, unverified | Proposed (inferred) | Rock County | not resolved | not stated |
| Kenosha Campus directory listing, unverified | Proposed (inferred) | Kenosha County | not resolved | not stated |
| Kenosha Microsoft Data Center directory listing, unverified | Proposed (inferred) | Kenosha County | not traced | not stated |
| Meta Data Center directory listing, unverified | Proposed (inferred) | Rock County | not traced | not stated |
| Meta data center, Beaver Dam, WI | Proposed (inferred) | Dodge County | Meta | not stated |
| Microsoft Fairwater B10 (Durand Ave) | Proposed (inferred) | Racine County | Microsoft | not stated |
| Microsoft Fairwater B12 (International Dr) | Proposed (inferred) | Racine County | Microsoft | not stated |
| Microsoft Fairwater B16 (International Dr) directory listing, unverified | Proposed (inferred) | Racine County | not resolved | not stated |
| Microsoft Fairwater B2 (MKE04) | Proposed (inferred) | Racine County | Microsoft | not stated |
| Microsoft Fairwater B3 (Durand Ave) | Proposed (inferred) | Racine County | Microsoft | not stated |
| Microsoft Fairwater Wisconsin | Proposed (inferred) | Racine County | likely Microsoft | not stated |
| OpenAI Stargate Wisconsin directory listing, unverified | Proposed (inferred) | Ozaukee County | not traced | not stated |
| Panattoni Turtle Data Center directory listing, unverified | Proposed (inferred) | Rock County | not resolved | not stated |
| Stargate Lighthouse - Building 1 directory listing, unverified | Proposed (inferred) | Ozaukee County | not resolved | not stated |
| Viridian Janesville GM Plant Data Center directory listing, unverified | Proposed (inferred) | Rock County | not resolved | not stated |
| Caledonia Campus (Oak Creek) directory listing, unverified | Withdrawn (inferred) | Racine County | not resolved | not stated |
| Carlton Cloverleaf Data Center directory listing, unverified | Withdrawn (inferred) | Kewaunee County | not traced | not stated |
| Cassville Data Center directory listing, unverified | Withdrawn (inferred) | Grant County | not resolved | not stated |
| Cloverleaf Data Center directory listing, unverified | Withdrawn (inferred) | Brown County | not resolved | not stated |
| DeForest QTS Data Center directory listing, unverified | Withdrawn (inferred) | Dane County | not resolved | not stated |
| Digital Power Optimization directory listing, unverified | Withdrawn (inferred) | Wood County | not resolved | not stated |
| Project Nova (Microsoft Caledonia) | Withdrawn (inferred) | Racine County | likely Microsoft | not stated |
| Caledonia Data Center directory listing, unverified | Rejected (inferred) | Racine County | not traced | not stated |
| Menomonie Data Center directory listing, unverified | Rejected (inferred) | Dunn County | not resolved | not stated |