IREN Sweetwater 1
Sweetwater, Nolan County, TX
Construction is under way on IREN Sweetwater 1 in Sweetwater, TX. The project is sized at 1,400 MW. IREN's FY2026 10-K (Item 2 Properties) lists Sweetwater 1, Texas at 1,400MW gross planned capacity among sites that are operating, under construction or in development; the FY26 results release says development is progressing at Sweetwater. Capacity is gross MW per the filing; ERCOT Batch Zero changes flagged as a possible grid-connection delay risk. Status set to under_construction as an approximation of 'in development'.
- 1,400 MWPlanned capacity
Project status
- Announced
- Permitting
- Under construction
- Operational
Recorded changes
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Community sentiment
Should this project be built?
What’s next
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Latest news
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Stories about it, and about Nolan County, TX, land here.
Records and documentation
Texas state legislation
- PUCT Docket No. 59475 - Oncor/LCRA Bell County East Switch-Big Hill 765kV Transmission LineFiled March 2026; 122 alternative routes, 835+ protests. Explicitly justified by data-center load concentration in the Temple/Bell/Williamson County corridor; an intervenor has questioned whether specific "Temple Data Centers" were properly included in the load forecast.Download
- PUCT Docket No. 59142 - ERCOT Large Load Interconnection "Batch Zero" ProcessPUCT approved (~June 2026) ERCOT's one-time transitional study process for ≥75MW load interconnection requests; tied to Gov. Abbott's Aug 2026 directive pausing/auditing the queue. CenterPoint reported ~14GW of its own projects positioned in this batch.Download
- PUCT Project No. 58481 - Large Load Interconnection Standards Rulemaking (PURA §37.0561)Statewide rulemaking adopting 16 TAC §25.194, interconnection standards for new/expanding loads ≥75MW (data centers). Adopted 2026 with a flat $100k study fee, eliminated non-refundable interconnection fee.Download
- Economic Development Program Agreement (Seafox) / Tax Abatement & Road Improvements AgreementsMOU-based economic development program agreement (plus a Chapter 312 tax abatement agreement and a road-improvements development agreement) covering a data center project in El Paso.Download
- PUCT Docket No. 59399 - Comanche Peak Power Company Net Metering Application (Amazon)Pending as of mid-2026 -- test case for data center co-location against dispatchable (nuclear) generation. Amazon data center campus paired with the Comanche Peak nuclear plant, Somervell County.Download
Site details
- Operator
- IREN
- County
- Nolan County, TX
- Capacity
- 1,400 MW
- Address
- Sweetwater, TX
- Stage
- Under construction
Size: not on file
Map
Photos
Google Street View
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