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Sweetwater, TX · Nolan County County · 32.471°N 100.406°W

IREN Sweetwater Campus

IREN (Iris Energy)

Under constructionAI-specificConfirmed

Key facts

Location
Sweetwater, TX, Nolan County County
Capacity
2,000 MW planned
Powered by
ERCOT grid
Announced
2025
Last updated

Civic impact

Economics

Land
2,200 acres

Energy & water

Energy source
Grid · Utility: ERCOT
Cooling
Closed-loop

345kV high-voltage connection to ERCOT grid. IREN and third-party sources describe West Texas as one of the world's largest renewable energy markets; interconnection.fyi lists renewable energy via RECs (wind/solar) for this site.

Direct-to-chip liquid cooling plus supplemental air cooling. Closed-loop design described by IREN and analysts as dramatically reducing water consumption vs. traditional evaporative approaches. West Texas arid climate noted as a water-conservation design driver. No reported MGD figure confirmed.

Community sentiment

Mixed

No documented site-specific opposition to IREN Sweetwater found. Nolan County TIRZ public hearing (June 2025) recorded zero opposition comments. Broader rural West Texas context: Texas Tribune (Oct 2025) reported growing community concern over data center water use; Texas PUC water survey (June 2026) found most operators non-responsive. TIRZ was approved by Nolan County to enable hyperscale data center development; specific operator in TIRZ article is Deriva Energy (ROW agreement), not confirmed as IREN.

Rural Texas casting skeptical eye on data center openings — water concerns (Oct 2025)

Status history

  1. Proposed

    Jan 21, 2025 IREN business update: first formal public announcement of 1,400 MW Sweetwater data center development. October 2024 update had disclosed HPC/AI pivot on 1,300+ acres.

    IREN Business Update Jan 21, 2025 — first 1,400 MW Sweetwater announcement
  2. Proposed

    Mar 17, 2025: IREN announces 600 MW grid connection agreement for Sweetwater 2 in Fisher County, bringing total secured power to 2.75 GW across West Texas.

    IREN Secures 2.75GW for Data Centers in West Texas — Sweetwater 2 600 MW announcement (Mar 17, 2025)
  3. Under construction

    May 1, 2026: Sweetwater 1 1,400 MW substation energized, connecting to ERCOT grid via 345kV high-voltage line. Data centers commissioning in phases; power to ramp with construction.

    IREN Announces Successful Energization of Sweetwater 1

Location

Sources & data provenance

Confirmed: data verified against official filings, permits, or direct operator announcements.

Last updated:

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