Sweetwater 1 campus outside Sweetwater, Texas, United States (approximate: Sweetwater town centroid; KTXS and Baxtel place the campuses in Fisher County while Cleanview lists Nolan County)IREN
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IREN's 1 May 2026 release: "today announced the successful energization of its 1.4GW Sweetwater 1 data center site in Texas", meaning the site substation was connected to the ERCOT grid.[1]IREN energized the high-voltage substation of its 1,400 MW Sweetwater 1 site, the first part of a 2,000 MW Sweetwater hub in West Texas, on 1 May 2026, with data-center construction continuing through 2027; no investment figure has been published.
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