IREN Sweetwater 1
Under constructionIREN Sweetwater 1 is a data center in Sweetwater, TX, United States, operated by IREN, with 1400 MW of published IT capacity, currently under construction.
Sweetwater 1 is a 1.4 GW grid-connected site in West Texas; IREN reported energization of the ERCOT connection in April 2026. It forms part of a planned 2 GW Sweetwater hub with closed-loop liquid cooling.
- Operator
- IREN
- City
- Sweetwater, TX, United States
- Power, MW
- 1400 MW
- Cooling
- Liquid
- AI-ready
- Yes
- Market benchmark
- $196 per kW per month wholesale · United States
- Index rate for the market, not this operator’s price list
1 sources · data pending on-site verification
Coloprice Score
22 out of 100
limited data · #648 of 1349 in United States
- Resilience0/35
- Compliance0/20
- Transparency4/20
- Scale15/15
- Maturity3/10
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</a>Sweetwater 1 is IREN's grid-connected site in West Texas, described in the company's March 2025 press release (filed with the SEC as a 6-K exhibit) as an existing 1.4 GW connection. The same release announces a binding 600 MW agreement for the neighbouring Sweetwater 2, roughly 28 miles away, and a planned fiber loop linking the two into a 2 GW Sweetwater hub; IREN states 2.75 GW is secured across West Texas including its Abilene site. IREN gave April 2026 as the energization date for Sweetwater 1 and late 2027 for Sweetwater 2, and later reported the ERCOT connection energized. Marketing points include renewable-rich ERCOT power, diverse fiber paths, about 6 ms latency to Dallas, and closed-loop liquid cooling to cut water use. The 1.4 GW figure is grid connection capacity, not installed IT load, and the company has not published data hall counts, rack density or a completion date for the data center buildings.
- ▮1.4 GW grid connection for Sweetwater 1, per IREN's March 2025 release.
- ▮Sweetwater 2 adds 600 MW under a binding grid agreement, energization late 2027.
- ▮Planned fiber loop to form a 2 GW Sweetwater hub.
- ▮About 6 ms latency to Dallas and closed-loop liquid cooling stated by IREN.
- ▮Figure is grid capacity, not installed IT load.
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Data release:
More data centers in Sweetwater, TX
| Facility | Operator | Power, MW | Tier | Status |
|---|---|---|---|---|
| IREN Sweetwater 1 | IREN | 1400 | — | Under construction |
| IREN Sweetwater 2 | IREN | 600 | — | Announced |
Source — Verified against operator sources · data pending on-site verification
- IREN Sweetwater press release (SEC 6-K)