Microsoft CYS Datacenter
Laramie County, WY
Source: OpenStreetMap
Microsoft CYS Datacenter is a mapped data center in Laramie County, WY, operated by Microsoft Data Center LLC and ultimately owned by Microsoft Corporation.
Reporting by Eric Keller · Updated Jun 14, 2026
Overview
source: linkMicrosoft CYS Datacenter is a mapped data center in Laramie County, Wyoming, run by Microsoft Data Center LLC and owned through its parent, Microsoft Corporation. The site draws power from Cheyenne Light Fuel & Power inside the WACM balancing authority. No capacity or operational details appear in available records.
Operator chain
- Ultimate parentMicrosoft Corporation
- Files asMicrosoft Data Center LLC
- This facilityMicrosoft CYS Datacenter
Grid & water — why here
source: HIFLD · EPAThe closest existing grid infrastructure and the municipal water system this location sits in — the same constraints the buildout model screens on (it won't site a campus more than ~2 km from a substation or ~5 km from municipal water). Distances are straight-line to public HIFLD/EPA features, not a metered connection.
In the news
source: GDELT- Microsoft presents data center expansion plans to the public - WyomingNews.comWyomingNews.com· Jun 1, 2026
- Lummis family could cash in on Microsoft data center expansion through Cheyenne land sales - WyoFileWyoFile· May 29, 2026
- Weeks After Unveiling 3,200-Acre Data Center Expansion, Microsoft Adds Another 420 - Cowboy State DailyCowboy State Daily· May 28, 2026
- Microsoft intends to purchase 3,200 acres south of Cheyenne for data centers - WyomingNews.comWyomingNews.com· Apr 20, 2026
- Microsoft plans 3,200-acre data center expansion in Cheyenne - Your Wyoming LinkYour Wyoming Link· Apr 15, 2026
- Microsoft plans to buy 3,200 acres of land for data center project in Cheyenne, Wyoming - Data Center DynamicsData Center Dynamics· Apr 15, 2026
Data-center discussions in Laramie County
source: LocalView (CC0)Local-government meetings in this county that discussed data centers, each cued to the moment. From the public LocalView corpus of government meetings on YouTube — a county-level signal, not necessarily about this specific site.
Tax breaks & subsidies
source: Good Jobs First / GASB 77No per-deal tax break is linked to this site yet. No state discloses the recipient of a data-center abatement at the facility level, so per-site deals are rare in the public record. If you have a development agreement or board resolution for this site, send it to us.
Wyoming reported $15.2M in Sales/use tax exemption for qualifying data processing services centers (W.S. § 39-15-105(a)(viii)(S)) for FY2021 (Wyoming Department of Revenue, Excise Tax Division (report to Joint Revenue Interim Committee)). Program-wide, not attributable to this site.
Water use
No measured record exists, so this is a low-confidence model from 175 MW (interconnection capacity): 1.2 L/kWh cooling (cool climate) + 0.45 gal/kWh embedded in US grid average. How we estimate. Have a utility document? Send it and we'll replace this with the real figure.
EPA permits & violations
source: EPA ECHONo reported violations as of last sync.
Environmental permits
source: Permit register- Clean Air Act permitted sourceWY000000000F030296NAICS 518210; ECHO compliance status: No Violation Identified
- Clean Air Act permitted sourceWY000000000F030348NAICS 518210; ECHO compliance status: No Violation Identified
Air quality near this site
source: AirNowAir Quality Index from the nearest AirNow reporting area (Cheyenne), as of 2026-06-10. Regional context — not this facility's own emissions.
Who lives nearby
source: Census ACS 2023Demographics of the census tract this facility sits in (American Community Survey 5-year estimates). Environmental-justice context for who bears the local impacts.
Nearest school
source: HIFLD / NCESThe nearest public school, Freedom Elementary in Cheyenne, is 2.7 mi from this site (333 students).
Schools are sensitive receptors for the noise, backup-generator exhaust, and traffic a large data center brings. Straight-line distance to the nearest public school (HIFLD/NCES, US public schools only).
Hearings timeline
No public-hearing records linked to this site yet. We surface planning-commission and board-of-supervisors dates when a record names a facility. If you know of a hearing on this site, tell us.