Power
Power and the grid
Sources on record, size not disclosed
- We Energies grid No contract publicservice would fall under We Energies' very-large-customer rate approved Apr. 2026; no campus-specific agreement found Utility regulator · Oct. 2026
Getting on the grid
- The revised Durand Avenue plan includes two electrical substations. News report · Oct. 2026
- Microsoft's 250 MW solar farm under construction in Portage, about 150 miles away, offsets the campuses' use; it is not on-site power. News report · Sept. 2025
Permits
Permits checklist
1 pending · 2 granted · 1 checked, nothing on file
Village and state approvals on record for the expansion.
- ◷Revised Durand Avenue site plan (seven buildings) PendingMount Pleasant Village Board · Oct. 15, 2026: Plan Commission approved unanimously; the board decides News report · Oct. 2026
- ✓Expansion of up to 15 buildings GrantedMount Pleasant Village Board · Jan. 26, 2026: Durand Avenue and International Drive parcels News report · Jan. 2026
- ✓Very-large-customer electric rate GrantedPublic Service Commission of Wisconsin · April 24, 2026: general We Energies tariff, not a campus contract Company · April 2026
- –Checked, nothing on file: Electric service agreement for the expansion
Risks
What could slow it down
- MediumDesign still changingMicrosoft says it continues to refine the layout of its expansion parcels, and the Durand plan has already shrunk from nine buildings to seven. News report · Oct. 2026
- MediumNo public power contractNo electric service agreement for the expansion is on file, and the new rate makes large customers pay the full cost of generation built for them. see Permits
- WatchLoad figures easily mixed upThe roughly 900 MW in press reports covers the operating Fairwater campus and this expansion together. News report · Oct. 2026
Money
Money on record
$6.1B
projected taxable value of the revised Durand plan
village staff, Oct. 2026 News report · Oct. 2026
$103M
incremental tax revenue over 40 years from the revised Durand plan
village staff estimate News report · Oct. 2026
Timeline
What happened, and what is due
SitePaper trailConstructionPowerPermitsMoneyLegalUpcoming
- Jan. 26, 2026Permits Village board approves up to 15 more Microsoft data-center buildings on two parcels News report · Jan. 2026
- April 24, 2026Power State regulators approve We Energies' rate for very large customers such as data centers Company · April 2026
- June 2026Site Microsoft's first Mount Pleasant building, Fairwater, comes online on the separate base campus News report · Oct. 2026
- July 20, 2026Permits Microsoft's engineer files to build a data-center complex of about 2 million sq ft (dataset) Dataset · July 2026
- Oct. 12, 2026Site Microsoft trims the Durand Avenue plan from nine buildings to seven larger ones (press) News report · Oct. 2026
- Oct. 15, 2026Permits Plan Commission unanimously approves the revised Durand Avenue site plan News report · Oct. 2026
- Oct. 2026Permits Village Board scheduled to take up the revised plan News report · Oct. 2026
The buildings
Specs
5,878,080 sq ft
revised Durand plan: seven data centers, a storage building and two substations
Who is involved
Owners, partners and builders
Owner
- Microsoft: developer and operator
Government
- Village of Mount Pleasant: Village Board and Plan Commission
- Racine County Economic Development Corporation: county development body
Power
- We Energies: serving utility
- Public Service Commission of Wisconsin: approved the large-customer rate
Builders
- Dewberry Engineers Inc.: engineer filing for Microsoft
Still unknown
Open questions
- MW for the expansion parcels.
- The village board's decision on the revised Durand plan.
- Timing for the International Drive parcel.
- 1 unconfirmed county land record near the site: the buyer or location could not be tied to this campus.
Where this comes from
27 records from 11 documents
Drawn from news reports, public and commercial datasets and company statements, each kept with its date and source. The bar shows documents by type.
News report 9Dataset 1Company 1
Evidence
Every quote behind this page
Grade key: A = the primary record itself (permit, filing, exhibit) · B = a dated official statement · C = news reporting. Map distances are our own measurements on OpenStreetMap and carry no grade. Allegations in lawsuits are marked as such in the quotes.
Power (4)
- Project status: EXPANSION APPROVED AND REVISED SITE PLAN ADVANCING: the Village Board approved the up-to-15-building expansion in January 2026; on October 15, 2026 the Plan Commission unanimously approved site plan modif“The Village of Mount Pleasant Planning Commission met Thursday at 1 p.m. and unanimously approved the site plan modifications for Microsoft's Durand Avenue data center campus.”News report · Oct. 2026 · grade C
- The operating Fairwater building (online June 2026, 315 acres, close to 550 employees) is the base Mount Pleasant campus; this item covers only the Durand Avenue and International Drive expansion parcels“Microsoft's first Mount Pleasant building, branded Fairwater, came online in June 2026 on 315 acres and employs close to 550 people”News report · Oct. 2026 · grade C
- Press reporting (Milwaukee Journal Sentinel via Daily Reporter) puts Microsoft's TWO Mount Pleasant data centers at around 900 MW combined; Microsoft's own Sep 2025 estimate for the two phases was also about 900 MW; No c“Microsoft’s two data centers in Mount Pleasant will use around 900 megawatts.”News report · Oct. 2026 · grade C
- Microsoft is building a 250 MW solar farm in Portage (about 150 miles northwest) to contribute power against the Mount Pleasant campuses' consumption - an off-site portfolio offset, not on-site generation for this campus“A solar farm that’s under construction 150 miles northwest of the data centers, in Portage, will contribute 250 megawatts of power.”News report · Sept. 2025 · grade C
Money and contracts (5)
- Source record“Mount Pleasant approved revised Microsoft data center plans with seven buildings totaling 5.88 million square feet and projected tax revenue of $103 million.”News report · Oct. 2026 · grade C
- Durand Avenue as filed: nine data centers of roughly 580,000 sq ft each plus a 96,000 sq ft office and storage building, 5.2M sq ft and $7.97B estimated taxable value; revised Oct 2026 to seven larger buildings“As filed, the Durand Avenue campus was to hold nine data centers of roughly 580,000 square feet each plus a 96,000-square-foot office and storage building, across 5.2 million square feet with an estimated taxable value of $7.97 billion”News report · Oct. 2026 · grade C
- $13.3B expansion across the Durand Avenue and International Drive parcels per the January 2026 approval coverage, inside Tax Incremental District No. 5; no MW figure is attached to the expansion in any fetched source“The Mount Pleasant Village board on Jan. 26 approved Microsoft's plan to build 15 additional Microsoft data centers.”News report · Jan. 2026 · grade C
- Project identity: Microsoft Mount Pleasant expansion: up to 15 additional data center buildings across two campuses near the original Foxconn site in Mount Pleasant, Racine County, WI - the Durand Avenue campus (791 acre“A 791-acre parcel along Durand Avenue would host nine buildings totaling roughly 5.2 million square feet, with a projected taxable value of $7.97 billion”News report · Jan. 2026 · grade C
- Announced: Jan. 21, 2026“Microsoft Corp. is planning 15 more data centers and adding 8.7 million square feet to its operation in Racine County.”News report · Jan. 2026 · grade C
Permits and government (4)
- Wisconsin Electric Power Company (We Energies) application filed Mar 31, 2025. A: Very Large Customer and Bespoke Resources tariffs approved (unanimous)“On April 24, the Public Service Commission of Wisconsin approved our Customer Protection Plan for new Very Large Customer (VLC) rate”Company · April 2026 · grade B
- Village of Mount Pleasant Plan Commission:“The Village of Mount Pleasant Planning Commission met Thursday at 1 p.m. and unanimously approved the site plan modifications for Microsoft's Durand Avenue data center campus.”News report · Oct. 2026 · grade C
- County code: 55101“Microsoft secured approval from the Mount Pleasant Village Board to build up to 15 additional data centers in the village”News report · Jan. 2026 · grade C
- Village of Mount Pleasant Village Board:“Microsoft secured approval from the Mount Pleasant Village Board to build up to 15 additional data centers in the village”News report · Jan. 2026 · grade C
Legal (1)
- In July 2026 a group of Sturtevant residents sued Microsoft over data center noise from the Mount Pleasant campus, drawing national attention“Microsoft's Mount Pleasant campus drew national attention recently when a group of Sturtevant residents sued the company over data center noise back in July.”News report · July 2026 · grade C
Site and other (1)
- Microsoft says it continues to refine the design and layout of its Mount Pleasant expansion parcels (village communications, via WRJN)“We continue to refine the design and layout of our expansion parcels in the Village of Mount Pleasant.”News report · Oct. 2026 · grade C