Operational
Microsoft Fairwater Wisconsin
Microsoft · Mount Pleasant, United States
Microsoft Fairwater Wisconsin is a operational data center project in Mount Pleasant, United States. This record brings together its location, estimated IT capacity, construction timeline, water-disclosure gaps and original sources.
Epoch AI · Checked 2026-09-15 · Owner confidence: confident
AI data center listed by Epoch AI.
Request water-use information →Estimated operating IT capacity
369 MW
Source observation: 2026-05-15
Site water use
Not yet verified
No site-level value published in this atlas
Local water stress
Not yet assessed
Regional context has not been added
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Project timeline
Source notes reproduced from Epoch AI. Future projections are excluded. Status may have changed since the latest observation.
The main shell of Building 2 looks almost completed. In Area 2 (northwest of Buildings 1-2), the grading for the original design has been replaced with grading for the new 9-building design, making way for Buildings 3-11. Work continues on the northern substation in Area 2.
Building 1 is operational. X post from Microsoft saying this date for Fairwater becoming operational.
Building 1 looks complete, but based on Microsoft announcements, it's not fully operational yet. Steel framing is underway for Building 2.
Building 1 cooling and backup generators all look complete from above but there is still construction visible around the building. Building 2 is well underway with a foundation and a complete substation. Large carpark and concrete area north of Building 2. Building 3 has a concrete foundation and a substation underway.
Land clearing begins for Building 1.
Location
4800 90th St, Mount Pleasant, WI 53403
View the surrounding area ↗Sources & further reading
- Epoch AI — dataset and methodology ↗
- Microsoft blog with engineering details ↗
- Microsoft blog with more general information ↗
- Construction Permit Application for building 1 ↗
- Plan for 9-building and 6-building expansions ↗
- OpenAI article mentioning they use Microsoft's Fairwater supercomputers ↗
Dataset attribution: Epoch AI, CC BY.
Local context is still being researched
No independently reviewed permit summary or community report has been added here. This does not mean there are no permits, concerns or impacts.
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Frequently asked questions about Microsoft Fairwater Wisconsin
Where is Microsoft Fairwater Wisconsin?
Microsoft Fairwater Wisconsin is listed at 4800 90th St, Mount Pleasant, WI 53403. The project is in Mount Pleasant, United States.
How much power does Microsoft Fairwater Wisconsin use?
The latest source-backed estimate in this atlas is 369 MW of operating IT capacity, observed for 2026-05-15. This is an estimate of computing capacity, not metered annual electricity consumption.
How much water does Microsoft Fairwater Wisconsin use?
No verified site-level water withdrawal or consumption figure has been added to this atlas. A missing figure means the value is not verified here, not that the project uses no water.