Center Registry · Texas

IREN Sweetwater

IREN · Sweetwater, Nolan County, Texas

Verified by Center RegistryChecked against 5 sources, including primary filings and releases
Open on the map →
Undisclosed
Capacity not yet disclosed
0 MW
Energized today
2026-05
First power
ERCOT
Grid region · location approximate
In brief

What makes it notable.

  1. A direct 1.4 GW substation connected to ERCOT was energized on May 1, 2026, within a 2,000 MW campus plan in Nolan County.
  2. The design follows NVIDIA's DSX architecture with liquid-cooled HGX B300 GPUs, using IREN's in-house air and direct-to-chip liquid cooling.
  3. IREN runs its own vertically integrated AI cloud platform on the site, with full buildout targeted for 2028.
Deal anatomy

Six layers, and who holds each.

Every Registry site is read the same way: a campus is real when each layer has a name. Members see the anchor tenant and the capital.

Power
ERCOT
Site and build
IREN
Compute
NVIDIA
Cloud operator
IREN
Anchor tenant
Members
Capital
Members
Free for professionals in AI infrastructure.
Timeline

From here to full build.

  1. 2026-05First power
  2. Nov 2026Today
  3. 2028Full buildout
The detail

Each party's role.

Power

ERCOT. Direct 1.4 GW substation, energized May 2026; the 2 GW Sweetwater Hub has conditional inclusion in ERCOT's Batch Zero process as base load (Nov 2026)

Site and build

IREN. In-house air + direct-to-chip liquid cooling

Compute

NVIDIA. DSX architecture, HGX B300 liquid-cooled GPUs

Cloud operator

IREN. In-house vertically integrated AI Cloud platform

Related sites

Nearby in the buildout.

All AI data centers in Texas →

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Sources

The record behind this page.

Center Registry

Who keeps this record.

Center Registry tracks the US AI data center buildout site by site. Every record is checked against primary sources: SEC filings, company releases, utility and grid operator records. A record changes when a filing changes it.

The mapEvery verified site, with its stage, capacity and grid region.Open the map → How sites are verifiedWhat gets a site on the Registry, and what each confidence tag means.About the Registry → Free membershipFor professionals in AI infrastructure. Opens the anchor tenant, the capital and the next milestone.Join free →

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