PROJECT Operating + construction

Microsoft Mount Pleasant / Fairwater

Microsoft's first facility is operating. The adjacent second facility remains under construction, with foundations, structural steel and underground utilities underway and completion targeted for 2028. Separate early earthwork supports further development; it is not a third operating facility.

Mount Pleasant, WisconsinMicrosoft
64-day coverage window Coverage

Project facts

Developer / owner
Microsoft
Site
Campus phases near County Road KR, County Road H and Durand Avenue, Mount Pleasant, WI
Industry
Data centers
Record status
Verified Sep 7, 2026
View project source ↗

Workforce outlook

No linked openings yet; tracked from public milestones.

Openings are linked by project employer and labor market, so a posting may also serve other sites in the market. See hiring in Mount Pleasant, Wisconsin →

DevelopmentConstructionCommissioningOperations

Project participants

General Contractor
Walsh Construction · Source ↗

Phase 2 expansion: foundations, structural steel and underground utilities. Microsoft also identifies Walsh as the current construction contact.

General Contractor
Kiewit · Source ↗

A separate site-preparation package reported in September 2024; not attributed to Walsh's Phase 2 work.

Milestones and targets

July 25, 2023 Reported
Site-preparation permits reported · Source ↗
June 23, 2026 Reported
First facility confirmed fully operational · Source ↗
2028 Target
Second facility completion · Source ↗

Targets reflect published schedules and are not confirmed completions.

Construction progress

Running
About 369 MW in 1 building · Epoch estimate, May 2026
Planned
About 2,263 MW in 11 buildings by May 2028 · Epoch projection
May 15, 2026 Seen
Building 2's main shell is nearly complete. The area to the northwest has been regraded for nine more buildings, and work continues on its substation.
Apr 16, 2026 Reported
Microsoft announced that Building 1 is running.
Jan 28, 2026 Seen
Building 1 looks complete, and steel framing is under way on Building 2.
Jul 14, 2023 Seen
Land clearing begins for Building 1.
Epoch site page ↗

Seen: visible in satellite or drone images. Reported: stated by the company or a public agency. Estimate: Epoch AI’s judgment from progress so far. Building numbers are Epoch’s. Summarized from Epoch AI, AI data centers (updated Nov 1, 2026), CC BY 4.0.