Program · Multiple connections
Microsoft Cheyenne Expansion Program
Status Under Review · Cheyenne, Wyoming, United States
Same locality: CheyenneShared participant: Black Hills EnergyShared participant: City of Cheyenne
All records
Data center siteSite record
Related Digital Cheyenne Campus
Cheyenne, Wyoming, United StatesUnder construction
Capacity
420 MW
Planned / design
Lead participant
Related Digital
Operator
Last updated
Aug 25, 2026
Most recent public record update
About Related Digital Cheyenne Campus
Related Digital is building a data center campus in Cheyenne whose first 184,000-square-foot building is leased to CoreWeave for 88 MW of critical IT capacity. The current up-to-420 MW campus figure is a future design envelope, not operating load.
Related projects
Projects sharing a market, utility, or organization.
Same locality: Cheyenne
Capacity
Planned / designOperating capacity—An operating IT-capacity figure has not been publicly disclosed.
Design420 MWDesign · Related Digital Cheyenne Campus
Design88 MWDesign · Related Digital Cheyenne Campus
Development
2 phases · 3 milestonesFirst building / CoreWeave phaseUnder Construction
184,000 sf on 36 acres with 88 MW critical IT; late-2026 completion remains a target.
1 building
Future campus expansionAnnounced Or Preconstruction
Current future envelope supersedes the 302 MW launch scope for marketing, but neither is delivered capacity.
Oct 7, 2025
First 88 MW CoreWeave building breaks ground
CompletedApr 4, 2026
Local reporting confirms construction underway
CompletedOct 1, 2026
First building completion target
ForecastInfrastructure
Electric GridPlanned Or Represented
Black Hills Energy service is identified; contracted and energized MW are undisclosed.
Cooling SystemUnder Construction
Air-cooled chillers support a nominal-water-use design claim.
Project map
0 of 1 project point mappedInfrastructure facts
2
Mapped records
1
Capacity figures
0
No map point available
Power & interconnection: 1Cooling & water: 1
Facts & sources
Published claims and their source links.
Current Full Campus Design Capacity420 MWDesign
420 MW
First Building Critical It Capacity88 MW critical ITDesign
88 MW critical IT
Campus Area115 acresFact
115 acres
First Phase Site Area36 acresFact
36 acres
First Building Floor Area184,000 square feetFact
184,000 square feet
StatusConstructionActual
Construction
Construction Start2025-10-07Actual
2025-10-07
Target CompletionLate 2026Fact
Late 2026
Anchor TenantCoreWeaveActual
CoreWeave
Lease Term CharacterizationLong termActual
Long term
First Phase Investment Estimate$1.20 billionFact
$1.20 billion
Cooling DesignAir cooled chillersActual
Air cooled chillers
Electric Service ProviderBlack Hills EnergyActual
Black Hills Energy
Construction ManagerClaycoActual
Clayco
Capacity Boundary Decision88 MW leased phase; 302 MW launch history; up to 420 MW current future designActual
88 MW leased phase; 302 MW launch history; up to 420 MW current future design