Sweetwater, TX · Nolan County County · 32.471°N 100.406°W
IREN Sweetwater Campus
IREN (Iris Energy)
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
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
- 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 - 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) - 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:
- IREN investor relationsRetrieved:
- GlobeNewswireRetrieved:
- IREN investor relationsRetrieved:
- IREN Secures 2.75GW for Data Centers in West Texas — Sweetwater 2 600 MW announcement (Mar 17, 2025)pressIREN investor relationsRetrieved:
- IREN investor relationsRetrieved:
- Data Center DynamicsRetrieved:
- StockTitanRetrieved:
- Global Data Center HubRetrieved:
- Sweetwater ReporterRetrieved:
- Texas TribuneRetrieved:
- Interconnection.fyiRetrieved:
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