Highlands annexation and Business Park rezoning (3,459.99 acres / 3,034.7 acres)
Description
The largest annexation in Cheyenne's history, approved for a future Microsoft data center campus with a 500-acre agricultural buffer retained.
Impact summary
Sets the stage for one of the nation's largest data center campuses adjacent to the Sweetgrass neighborhood; the city retains utility metering, noise/light ordinances, and DEQ oversight.
Applicant
- Name
- Microsoft (property owner); petitioners ARP, Hammond Hardware, and Lummis Livestock Company
- Address
- East of South Greeley Highway and south of the Sweetgrass Subdivision
At a glance
- Hearings
- 2
- Public comments
- 32
- Total mentions
- 2
Last vote · City Council
Last discussed Jul 13, 2026.
Meeting timeline (2)
City Council Meeting - Jul 13, 2026
The largest annexation in Cheyenne's history, approved for a future Microsoft data center campus with a 500-acre agricultural buffer retained.
City Council Meeting - Jun 23, 2026
A roughly 3,460-acre owner-initiated annexation for a possible Microsoft data center campus passed second reading 7-3 after a postponement motion failed.
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