Data center profile · Sweetwater, Nolan County, Texas

IREN Sweetwater Hub (Sweetwater 1 + 2)

Data center campus developed by IREN in Nolan County, Texas, on grid power; about 1.6 GW of IT capacity planned.

Site work under way. Utility and grid approval granted. The campus substation is energized; no building is in service yet. Newest record Sept. 2026.
The campus, Lower-resolution satellite image, Oct. 18, 2026
2,000 MW
campus power the company states
facility power, not split into IT capacity
2,200
acres in the site
2027
first building in service, our estimate
range 2027 to 2028; company says 2027
OperatorIREN
CustomerNone named
Planned IT capacity1.6 GW at full build-out (our estimate from the company's 2 GW campus power figure)
First building in serviceOur estimate: 2027 (range 2027 to 2028); company says 2027.
The site

The site from above

Satellite overview
Lower-resolution satellite image, Oct. 18, 2026.
Power

Power and the grid

The plan on record is a grid connection. The campus substation is energized; no building is in service yet.

We checked utility filings, regulator dockets and air-permit records for this campus.

Permits

Permits checklist

1 granted · 4 checked, nothing on file

Approvals a campus like this normally needs, and what we found.

Timeline

What happened, and what is due

SitePaper trailConstructionPowerPermitsMoneyLegalUpcoming
  1. May 1, 2026
    Site IREN was selected as the first global AI infrastructure partner for NVIDIA DSX, supporting the AI/HPC plan for its campuses. Company · May 2026
  2. May 1, 2026
    Power Sweetwater 1's high-voltage substation was energized on May 1, 2026. Company · May 2026
  3. May 7, 2026
    Money Cloud capacity signed. Company · May 2026
  4. Sept. 8, 2026
    Power Interconnection queue approved by ERCOT. Company · Sept. 2026
Construction activity

Satellite captures by quarter

Since Sept. 2025: 3 satellite captures.

Satellite
’26
Dot size: records in the quarter, largest = 1. Two-digit years mark each first quarter.
Who is involved

Owners, partners and builders

Owners and developers
  • IREN Limited, developer
Still unknown

Open questions

Where this comes from

19 records from 8 documents

Drawn from company statements, public and commercial datasets, satellite captures, securities filings and news reports, each kept with its date and source. The bar shows documents by type.

Company 4Dataset 1Satellite 1SEC filing 1News report 1
Evidence

Every quote behind this page

Grade key: A = the primary record itself (permit, filing, exhibit) · B = a dated official statement · C = news reporting. Map distances are our own measurements on OpenStreetMap and carry no grade. Allegations in lawsuits are marked as such in the quotes.

Power (6)
  • Project status: under construction
    “At Sweetwater 1, IREN's high-voltage substation was energized earlier this year, and construction of 300MW (gross) of data center capacity continues with delivery targeted for Q4 2027”
    Company · Sept. 2026 · grade B
  • Stated campus size: 2,000 MW
    “Sweetwater 1 (1,400MW) and Sweetwater 2 (600MW) form part of IREN's announced >5GW global data center development portfolio”
    Company · Sept. 2026 · grade B
  • Grid region: ERCOT
    “has been conditionally included in the Electric Reliability Council of Texas ("ERCOT") Batch Zero process as Base Load”
    Company · Sept. 2026 · grade B
  • interconnection queue (ERCOT): conditionally included
    “ERCOT's classifications remain conditional and subject to ongoing approval processes”
    Company · Sept. 2026 · grade B
  • Sweetwater 1's high-voltage substation was energized on May 1, 2026. Under the in-service rule this is a grid milestone only: no data hall is serving IT capacity at the hub.
    “Energization marks the connection of the site's high-voltage substation to the ERCOT grid”
    Company · May 2026 · grade B
  • Site acreage: 2200 acres
    “sitting on 1,700 acres with an expected power capacity of 1,400 MW when construction is complete. Sweetwater 2 will sit on 500 acres with an expected power capacity of 600 MW”
    News report · Sept. 2026 · grade C
Money and contracts (1)
  • cloud capacity (fleet): scope not named end customer
    “Future deployments are expected to focus on IREN's 2-gigawatt Sweetwater campus in Texas, which the companies expect to serve as a flagship deployment for NVIDIA's DSX architecture.”
    Company · May 2026 · grade B
Permits and government (1)
  • Campus name: IREN Sweetwater Hub (Sweetwater 1 and Sweetwater 2)
    “its 2GW Sweetwater Hub (Sweetwater 1 and Sweetwater 2) has been conditionally included in the Electric Reliability Council of Texas”
    Company · Sept. 2026 · grade B
Site and other (4)
  • Announced: Dec. 6, 2024
    “Sweetwater (Texas, USA) 1,400 Q2 2026 Connection underway”
    SEC filing · Dec. 2024 · grade A
  • County code: 48353
    “its 2GW Sweetwater Hub (Sweetwater 1 and Sweetwater 2)”
    Company · Sept. 2026 · grade B
  • Operator model: AI cloud / HPC
    “IREN is a vertically integrated AI Cloud platform, delivering data centers, compute and software for AI training and inference”
    Company · Sept. 2026 · grade B
  • IREN was selected as the first global AI infrastructure partner for NVIDIA DSX (May 2026), supporting the AI/HPC plan for its campuses including Sweetwater.
    “IREN has been selected as the first global AI infrastructure partner for NVIDIA DSX”
    Company · May 2026 · grade B

Imagery and records: Satellite imagery: Sentinel-2 (ESA Copernicus).