Microsoft Fairwater 1 (Mount Pleasant)
Microsoft. , 338 MW
Microsoft's first Mount Pleasant data center, called Fairwater, sits on about 200 acres and became fully operational in June 2026 with roughly 550 full time employees on site. It runs on 337.6 megawatts of power and Microsoft describes it as home to one of its most powerful AI supercomputing clusters. It is served by We Energies under the utility's new large customer tariff for data centers.
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- Status
- Operator
- Microsoft
- Applicant on record
- Microsoft
- Location
- Braun Road, Mount Pleasant, WI, Racine County, WI
- Size
- 338 MW, 200 acres
- Cooling
- Not reported
- Utility
- We Energies
- First reported
- 2023-03
- Last updated
- August 29, 2026
What happens next
The site is operating. A future expansion would show up here as a status change, or as a new project nearby.
Sources
- Microsoft completes construction on first datacenter facility in Mount Pleasant, Wisconsin, Microsoft Source, 2026-06-23
- Microsoft in Racine County - News & Updates, Racine County Economic Development Corporation
What it would mean nearby
The cooling design has not been reported. If it uses evaporative cooling, a 338 MW facility would draw roughly 1.1 million to 3.9 million gallons of water a day, about what 12,300 households use.
We Energies is asking the commission for a 9.3% residential increase (We Energies general electric and gas rate case for 2027 and 2028 (docket 5-UR-112)). On a $160 monthly bill that is about $13 to $17 a month. This tariff does not change home electric rates by itself, but it is meant to make large new data centers pay the full cost of the power plants and lines built to serve them instead of spreading those costs across everyone's bill. 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.
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Common questions
Where is the Microsoft Fairwater 1 (Mount Pleasant) data center?
It is in Mount Pleasant, Racine County, WI.
How big is the Microsoft Fairwater 1 (Mount Pleasant) data center?
Reported size: 338 MW, 200 acres.
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