Cassville Data Center Campus (Undisclosed Developer)
Undisclosed (major tech company, NDA not signed) · Cassville, WI · United States
Facility record
- Lifecycle
- CancelledSource-reported lifecycle
- Location precision
- approximate
- Address as listed
- Not published
- Coordinates
- 42.716, -91.007
- Serving utility, source-reported
- Alliant Energy
- Operational capacity, source-reported
- Not published
- Planned capacity, source-reported
- Not published
- Source record updated
- 2026-10-22
Source-reported capacity; not metered consumption. Review underlying documents and notes. Planned capacity may include future phases and is not added to operational capacity here. The source may use facility, grid-feed or IT capacity definitions; consult the linked documents.
Coordinate precision is a source label, not an independent parcel survey. A marker does not confirm utility territory or establish an effect on residential bills.
Reported lifecycle history
- Proposed
Grant County Economic Development Corp. disclosed proposal for $1B-$2B campus; developer identity withheld; proximity to Cardinal-Hickory Creek transmission line cited as appeal
Underlying source - Cancelled
Town of Cassville voters approved 44-0 an ordinance banning data centers in the township on April 16, 2026; developer went silent after the vote and was reported considering sites in Indiana and North Dakota
Underlying source
Source notes
Coordinates are Cassville city centroid; proposed site was ~400-500 acres in the town of Cassville. Grant County ED director confirmed company 'people will recognize' but declined to name it. Energy requirement estimated at 400-500 MW (per Wisconsin Watch, citing economic development director estimate). Investment range $1B-$2B; the recorded investment represents the floor. Town vote was April 16, 2026: 44-0 to ban data centers (ordinance lasts up to two years). Developer went silent post-vote and was reportedly considering Indiana and North Dakota sites.
Sources and provenance
- Another $1 billion Wisconsin data center eyed in Grant County town of Cassville · source retrieved 2026-07-06
- Another billion-dollar Wisconsin data center is eyed for Cassville in Grant County · source retrieved 2026-07-06
- In rural Wisconsin, a town rejects a plan to build a massive data center · source retrieved 2026-07-06
- HIFLD Electric Retail Service Territories (ORNL/DOE-CESER, 2023-08 vintage) · source retrieved 2026-07-23
- A $2 billion proposal, then silence: How a Driftless Area data center deal fell apart · source retrieved 2026-08-04
Power Wars capture: 2026-11-02. Compute Atlas, CC BY 4.0. Entries are not independently verified by Power Wars unless stated.