Switchgrass Industrial Park near U.S. 85, about 8 miles south of Cheyenne, Laramie County, Wyoming (approximate: pin set at Cheyenne city centre; no street address published)
Google
Cowboy State Daily[1] (8 July 2026): "Planned completion in 2031"; Cleanview[3] lists Building 2 (464 MW) for 2029, Building 3 (464 MW) for 2030 and Building 4 (678 MW) for 2031.
Google, through its subsidiary Jupiter Star Holdings, is behind Project Tembo (formerly Project Jade), a 2.7 GW (2,700 MW) data-center campus on 716 acres in Switchgrass Industrial Park south of Cheyenne, Wyoming, planned for completion in 2031; no cost has been published.