Cartis diligence evidence schedule
Microsoft Cheyenne Expansion Program
PRJ-0103 · Program · Cheyenne, Wyoming, United States
Record last updated Oct 28, 2026
Scope and capacity
Microsoft is expanding its long-running Cheyenne data-center presence through a large Highlands land program and two additional development applications filed in 2026. Microsoft Cheyenne Expansion Program is in Cheyenne, WY, US and is a program with preconstruction status.
Headline: See constituent sites
Numbers refer to their stated physical boundaries and are not added together. Source dates, claim dates and record updates have different meanings. Missing dates and locators are not inferred.
Claims and exhibit sources
Jump to a claim (4)
Announced land acquisition area · 3,200 acres
Actual · Microsoft Cheyenne Expansion Program (Project)
Claim 11829 · Recorded claim type: Actual · Review: Approved · Claim date: Apr 14, 2026
- Cheyenne approves Microsoft Highlands annexation
Cowboy State Daily · Document date: Jul 14, 2026 · Corroborating
Source reference: SRC-0703 · News report · Recorded authority: Secondary
Source URL
https://cowboystatedaily.com/2026/07/14/why-microsoft-can-skip-state-review-for-3-500-more-data-center-acres-in-cheyenne/
https://cowboystatedaily.com/2026/07/14/why-microsoft-can-skip-state-review-for-3-500-more-data-center-acres-in-cheyenne/
- Microsoft datacenters in Wyoming
Microsoft · Document date: Jun 1, 2026 · Corroborating
Source reference: SRC-0700 · Fact sheet · Recorded authority: Party primary
Source URL
https://local.microsoft.com/wp-content/uploads/2025/10/Microsoft-datacenters-in-Wyoming.pdf
https://local.microsoft.com/wp-content/uploads/2025/10/Microsoft-datacenters-in-Wyoming.pdf
- Cheyenne datacenter update
Microsoft Local · Document date: May 28, 2026 · Corroborating
Source reference: SRC-0699 · Company announcement · Recorded authority: Party primary
Source URL
https://local.microsoft.com/blog/cheyenne-datacenter-update/
https://local.microsoft.com/blog/cheyenne-datacenter-update/
- Microsoft announces intent to expand datacenter operations in Cheyenne
Microsoft · Document date: Apr 14, 2026 · Primary
Source reference: SRC-0698 · Company announcement · Recorded authority: Party primary
Source URL
https://news.microsoft.com/source/2026/04/14/microsoft-announces-intent-to-expand-datacenter-operations-in-cheyenne-accelerating-innovation-and-economic-growth/
https://news.microsoft.com/source/2026/04/14/microsoft-announces-intent-to-expand-datacenter-operations-in-cheyenne-accelerating-innovation-and-economic-growth/
- Microsoft plans to triple Cheyenne data-center footprint
Cowboy State Daily · Document date: Apr 14, 2026 · Corroborating
Source reference: SRC-0704 · News report · Recorded authority: Secondary
Source URL
https://cowboystatedaily.com/2026/04/14/microsoft-to-triple-its-cheyenne-data-center-footprint-with-3-200-acre-land-buy/
https://cowboystatedaily.com/2026/04/14/microsoft-to-triple-its-cheyenne-data-center-footprint-with-3-200-acre-land-buy/
- Energy solutions for data centers
Black Hills Energy · Document date: Not stated · Corroborating
Source reference: SRC-0701 · Company announcement · Recorded authority: Party primary
Source URL
https://datacenters.blackhillsenergy.com/resources/energy-solutions-data-centers
https://datacenters.blackhillsenergy.com/resources/energy-solutions-data-centers
Offsite infrastructure investment · $68 millions
Source report · Microsoft Cheyenne Expansion Program (Project)
Claim 11833 · Recorded claim type: Not stated · Review: Approved · Claim date: Apr 14, 2026
- Microsoft announces intent to expand datacenter operations in Cheyenne
Microsoft · Document date: Apr 14, 2026 · Primary
Source reference: SRC-0698 · Company announcement · Recorded authority: Party primary
Source URL
https://news.microsoft.com/source/2026/04/14/microsoft-announces-intent-to-expand-datacenter-operations-in-cheyenne-accelerating-innovation-and-economic-growth/
https://news.microsoft.com/source/2026/04/14/microsoft-announces-intent-to-expand-datacenter-operations-in-cheyenne-accelerating-innovation-and-economic-growth/
Existing full time employees · 320 employees
Reported rounded · Microsoft Cheyenne Expansion Program (Project)
Claim 11834 · Recorded claim type: Reported rounded · Review: Approved · Claim date: Apr 14, 2026
- Microsoft datacenters in Wyoming
Microsoft · Document date: Jun 1, 2026 · Corroborating
Source reference: SRC-0700 · Fact sheet · Recorded authority: Party primary
Source URL
https://local.microsoft.com/wp-content/uploads/2025/10/Microsoft-datacenters-in-Wyoming.pdf
https://local.microsoft.com/wp-content/uploads/2025/10/Microsoft-datacenters-in-Wyoming.pdf
- Microsoft announces intent to expand datacenter operations in Cheyenne
Microsoft · Document date: Apr 14, 2026 · Primary
Source reference: SRC-0698 · Company announcement · Recorded authority: Party primary
Source URL
https://news.microsoft.com/source/2026/04/14/microsoft-announces-intent-to-expand-datacenter-operations-in-cheyenne-accelerating-innovation-and-economic-growth/
https://news.microsoft.com/source/2026/04/14/microsoft-announces-intent-to-expand-datacenter-operations-in-cheyenne-accelerating-innovation-and-economic-growth/
Water replenishment commitment · 566 million gallons
Reported rounded · Microsoft Cheyenne Expansion Program (Project)
Claim 11835 · Recorded claim type: Reported rounded · Review: Approved · Claim date: Apr 14, 2026
- Microsoft announces intent to expand datacenter operations in Cheyenne
Microsoft · Document date: Apr 14, 2026 · Primary
Source reference: SRC-0698 · Company announcement · Recorded authority: Party primary
Source URL
https://news.microsoft.com/source/2026/04/14/microsoft-announces-intent-to-expand-datacenter-operations-in-cheyenne-accelerating-innovation-and-economic-growth/
https://news.microsoft.com/source/2026/04/14/microsoft-announces-intent-to-expand-datacenter-operations-in-cheyenne-accelerating-innovation-and-economic-growth/
Counterparties and capital
Black Hills Energy · Utility provider · CMP-0391
City of Cheyenne · Government authority · CMP-0389
Microsoft · Developer · CMP-0017
This schedule captures public Cartis research. It is not a title, lien or legal-opinion report. Document page/section locators and claim review timestamps are included only when published; this version has no separate locator or claim-review-time feed.