Google Project Tembo (Cheyenne)
1.8 GW AI data center in Cheyenne, WY, United States: permitted.
- Capacity: 1.8 GW
- Location: Cheyenne, WY, United States
- Developer: Google
- Status: permitted
- Estimated cost: $17B
Google Project Tembo (Cheyenne) is a 1.8 GW AI data center project located in Cheyenne, WY, United States, currently permitted. It is being built by Google. The estimated build cost is $17B. This project is one of thousands of data-center facilities tracked by Data Center Index across WY, United States, covering operational, under-construction, announced, and permitted sites.
Project description
Project Tembo is Google's planned 1.8 GW data center campus on about 700 acres at the Switchgrass Industrial Park south of Cheyenne, Wyoming, supplied by a separate Tallgrass power hub approved for up to 2.7 GW of gas-fired generation.
Related data center projects
- Google Project Spade (New Florence), 1.2 GW, New Florence, MO, United States · under construction
- Google Project Mica, 700 MW, Kansas City, MO, United States · under construction
- Google Fredericia (Taulov) AI Data Center, 550 MW, Fredericia, Denmark · operational
- Google-Kairos Power AI Data Center Initiative, 500 MW, Oak Ridge, TN, United States · announced
- Haskell County Campus, 440 MW, Haskell, TX, United States · under construction
- Google Eemshaven AI Data Center, 400 MW, Eemshaven, Netherlands · operational
- Google LaGrange (Project Pegasus), 400 MW, LaGrange, GA, United States · under construction
- Google Berkeley County Data Center Campus, 380 MW, Moncks Corner, SC, United States · operational
Frequently asked questions
- What is Google Project Tembo (Cheyenne)?
- Google Project Tembo (Cheyenne) is an AI data center project in Cheyenne, Wyoming tracked by Data Center Index. Its status is permitted.
- Where is Google Project Tembo (Cheyenne)?
- Google Project Tembo (Cheyenne) is in Cheyenne, Wyoming. Every tracked Wyoming campus, with counts and capacity, is at https://datacenterindex.ai/markets/wyoming.
- How big is Google Project Tembo (Cheyenne)?
- Data Center Index tracks Google Project Tembo (Cheyenne) at 1.8 GW, on an estimated $17B build. The developer or the press states that capacity, in a source dated June 12, 2026.
- Who is building Google Project Tembo (Cheyenne)?
- Google is developing Google Project Tembo (Cheyenne).
- When will Google Project Tembo (Cheyenne) come online?
- The next building at Google Project Tembo (Cheyenne) is expected online 2028. That date is the first building going live, not the full build-out.
Sources
- New Data Center Developments: August 2026 (datacenterknowledge.com · press · 2026-08-04)
- Cowboy State Daily (cowboystatedaily.com · press · 2026-07-08)
- Project Jade data center to continue development without partner Crusoe (capcity.news · press · 2026-06-12)
- Data Center Dynamics (datacenterdynamics.com · press · 2026-07-14)
- Power Engineering (power-eng.com · press · 2026-05-28)
- Laramie County Board of Commissioners memo: Project Tembo Data Center Site Plan and Conditional Use Permit (laramiecountywy.gov · public record · 2026-07-08)
- Wyoming Tribune Eagle (via Gillette News Record) (gillettenewsrecord.com · press · 2026-09-10)
- Wyoming Public Media (wyomingpublicmedia.org · press · 2026-09-17)
- Cap City News (capcity.news · press · 2026-09-10)
- Wyoming Tribune Eagle / WyomingNews (wyomingnews.com · press · 2026-07-08)
- WyoFile (wyofile.com · press · 2026-01-20)
- POWER Magazine (powermag.com · press · 2026-01-08)