IREN Sweetwater 1 data center campus
Also called: Sweetwater 1, Sweetwater Hub
IREN is building a 1.4-gigawatt data center campus outside Sweetwater. Its substation was connected to the grid in 2026. With a second site, IREN plans a 2-gigawatt hub.
Where things stand: The site's big substation was connected to the grid in spring 2026. Data center buildings are still being built.
🕒 Latest update (May 2026): IREN connected the 1.4-gigawatt Sweetwater 1 substation to the ERCOT grid.
What we know
- 📍 WhereOutside Sweetwater. Sources disagree on the county: some say Nolan County, one says Fisher County., Unincorporated Nolan County, Nolan County
- 🏢 CompanyIREN Limited
- 👤 Built forIREN AI cloud (customers not named for this site)
- ⚡ Power it needs1,400 megawatts (about as much as 1,120,000 homes)
- 🔌 Where the power comes fromTexas power grid (ERCOT); new high-voltage substation on site
- 💸 Tax breaksThe Sweetwater Municipal Development District said local taxing bodies would decide any tax breaks; no details were public.
❓ Still unanswered
Nobody has answered these in public yet. Can you help find out?
- Is Sweetwater 1 in Nolan County or Fisher County? 🙋 I'll find out
- How much water will it use? 🙋 I'll find out
- Who will use the computing power here? 🙋 I'll find out
- Were tax breaks given? 🙋 I'll find out
What happened so far
- May 2026IREN connected the 1.4-gigawatt Sweetwater 1 substation to the ERCOT grid.
Local votes and rules
🤝 Agreement with the company
Nolan County commissioners approved a 10-year property tax break for a $7 billion, 200-megawatt Crusoe data center near Sweetwater. The deal includes more than $3 million a year in payments instead of taxes, more than $2 million a year in donations to the county, and limits on water use with well meters to protect the aquifer. The site will make its own power.
Drag the slider to compare the land before and now.
Where this comes from
- IREN powers up initial phase of Sweetwater data center campus · Baxtel · May 6, 2026
- IREN announces plans to expand in Sweetwater with 2GW data center hub · KTAB / BigCountryHomepage · 2025
See something wrong? Tell us and we'll fix it.