Microsoft Caledonia Data Center (Project Nova)
AI data center in Caledonia, WI, United States: cancelled.
- Location: Caledonia, WI, United States
- Developer: Microsoft
- Status: cancelled
Status: Cancelled
Microsoft planned a data center on 244 acres at Douglas Avenue and County Line Road in Caledonia, near the Milwaukee County line, under the name Project Nova. A week after the village Plan Commission approved it, Microsoft said on October 8, 2025 that it would not move forward with the site because of community feedback (BizTimes Milwaukee, October 8, 2025). Microsoft said it would look for another site in the area and continues to build in nearby Mount Pleasant. No capacity was published. Source: BizTimes Milwaukee, 2025-10-08.
Paused and cancelled projects stay listed in the directory but are not counted in state totals, capacity totals or rankings.
Microsoft Caledonia Data Center (Project Nova) is a AI data center project located in Caledonia, WI, United States, currently cancelled. It was being developed by Microsoft. This project is one of thousands of data-center facilities tracked by Data Center Index across WI, United States, covering operational, under-construction, announced, and permitted sites.
Project description
Microsoft dropped its 244-acre Caledonia data center at Douglas Avenue and County Line Road in October 2025 after resident opposition, a week after Plan Commission approval.
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Frequently asked questions
- What is Microsoft Caledonia Data Center (Project Nova)?
- Microsoft Caledonia Data Center (Project Nova) is an AI data center project in Caledonia, Wisconsin tracked by Data Center Index. Its status is cancelled. A cancelled campus stays listed with its source, but is never counted in state totals, capacity totals or rankings.
- Where is Microsoft Caledonia Data Center (Project Nova)?
- Microsoft Caledonia Data Center (Project Nova) is in Caledonia, Wisconsin. Every tracked Wisconsin campus, with counts and capacity, is at https://datacenterindex.ai/markets/wisconsin.
- Who is building Microsoft Caledonia Data Center (Project Nova)?
- Microsoft was developing Microsoft Caledonia Data Center (Project Nova).
Sources
- Microsoft drops plans for Caledonia data center, but is looking for a new site (biztimes.com · press · 2025-10-08)
- Data Center Dynamics (datacenterdynamics.com · press · 2025-10-08)