IREN Sweetwater 1
AI data center site · Nolan County, TX
Status Substation energized · halls under construction VERIFIED · HIGH
Last checked against its sources Sep 24, 2026
The atlas adds the map, nearby response resources, infrastructure dependencies, hazards, and illustrative planning scenarios for this site.
Profile
IREN's Sweetwater 1 is a 1.4 GW site whose high-voltage substation was connected to the ERCOT grid in May 2026. Construction of 300 MW (gross) of data center capacity is targeted for Q4 2027. With Sweetwater 2 (600 MW, about 28 miles away) it forms IREN's 2 GW Sweetwater hub, which the company says was conditionally included in ERCOT's Batch Zero process. VERIFIED · MODERATE
Key facts
- Grid connection capacity
- 1,400 MW
- VERIFIED · HIGH
- Substation energized
- May 2026
- VERIFIED · HIGH
- First data center phase (target)
- 300 MW gross · Q4 2027 target
- VERIFIED · MODERATE
- ERCOT large-load process
- Batch Zero · conditional, as base load
- VERIFIED · MODERATE
VERIFIED values are stated by a cited source; DERIVED values are calculated from them; ESTIMATED values are approximations; UNKNOWN means no reliable public information, not absence. The map point is approximate and is not a parcel boundary.
Open questions
- UNKNOWN Site location (only a locality point is shown)
- UNKNOWN Cooling method and water source
- UNKNOWN Local response resources not yet recorded
Changes (1)
- 2026-09-24 Added to the atlas IREN Sweetwater 1: Added to the atlas.
Sources (6)
- IREN Secures 2.75GW for Data Centers in West Texas with New 600MW Grid Connection Agreement
- IREN Announces Successful Energization of Sweetwater 1
- IREN’s 2GW Sweetwater Hub Included as Base Load in ERCOT Batch Zero
- NERIS Public: Fire Departments (departments, stations, jurisdiction boundaries)
- IREN Sweetwater 1 — Nolan, Texas
- DCRA manual location approximation