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Data center project · Racine County, Wisconsin

Microsoft Mount Pleasant Campus One (Durand Avenue)

Approved · The larger of two new Microsoft campuses approved in January 2026 on land bought in 2024, first filed as nine datacenters plus an office building. Also known as: Campus One.

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Status
Approved · as of Oct. 14, 2026
Location
Near Durand Avenue (Highway 11), Village of Mount Pleasant · Racine County
Status note
The village board approved a nine-building site plan in January 2026; on Oct. 14, 2026, the plan commission approved an amended plan with seven larger buildings (about 5.8 million square feet including offices and guard houses), with a village board vote expected later in October.
Power
Not reported
No power figure published in the sources reviewed.
Floor area
5,200,000 sq ft
Land
791 acres
Investment
Estimated taxable value of about $7.97 billion as filed (nine buildings); the village's estimated value per acre fell from about $10 million to about $7.7 million in the amended plan
Developer and team
Microsoft
End user
Microsoft
Utility
We Energies
Water
Planning commission conditions require Microsoft to meet all local and state water-use rules
Incentives
Inside a village tax incremental district; village projected about $45 million a year in revenue once district debts are paid
Evidence
News reports; primary records not yet obtained
Size class
50 MW or more (tracker scope)
Map position approximate, from the reported address or area. Updated Oct. 17, 2026.

Updates, newest first

  1. Oct. 14, 2026 The plan commission unanimously approved an amended site plan with seven buildings instead of nine and more total floor space, with added conditions including noise protection. (WPR, Oct. 15, 2026)
  2. Oct. 12, 2026 Baxtel reported Microsoft reduced this campus to seven buildings, lowering its projected taxable value by about 24%. (Baxtel, Oct. 12, 2026)
  3. Jan. 26, 2026 The village board approved the two expansion campuses unanimously. (Spectrum News 1, Jan. 27, 2026)
  4. Jan. 21, 2026 The village planning commission approved the plan with conditions, including a traffic study. (Spectrum News 1, Jan. 21, 2026)
  5. Jan. 20, 2026 WPR reported Microsoft's site plan for nine datacenters and a 96,000-square-foot office on a 791-acre parcel. (WPR, Jan. 20, 2026)

Conflicts and open questions

  • sqft is the 5.2 million square feet approved in January 2026; the amended plan (about 5.8 million) awaited a village board vote as of Oct. 15, 2026.
  • Baxtel (Oct. 12) put the drop in projected taxable value at about 24%, citing the Milwaukee Business Journal; WPR reported the village's per-acre estimate falling from about $10 million to $7.7 million.

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