Companies/IREN
Australia
IREN
Vertically integrated data center and AI cloud operator (formerly Iris Energy) delivering NVIDIA GB300 NVL72 capacity to Microsoft at its Childress, Texas campus.
Systems this company appears in
- Systems
- 3
- Aggregate Rmax
- 0.0 GFlop/s
- Aggregate power
- 0 kW
- First appearance
- 2026-06-04
- Most recent
- 2026-08
- Concentration
- -
systems it appears in
where disclosed
largest is IREN Childress Horizons 1-4 (Microsoft)
Aggregate Rmax is the sum of the systems this company supplies any part of. It is not revenue and not attributable share: an integrator and a memory vendor in the same machine both count its full FLOPS here. Attribution weighted by role is Phase 4.
Role breakdown
| Role | Systems | Rmax in those systems |
|---|---|---|
| Integrator | 2 | 0.0 GFlop/s |
| Cooling | 1 | 0.0 GFlop/s |
Appearances
| System | Supplied as | Shipped under | Rmax | Rank |
|---|---|---|---|---|
| IREN Childress Horizons 1-4 (Microsoft) USA · 2026-08 | Cooling | IREN | - | unranked |
| IREN Sweetwater Hub USA · | Integrator | IREN | - | unranked |
| IREN Bundey Campus Australia · | Integrator | IREN | - | unranked |
AI datacenters operated
| System | Status | Accelerators | Stated power (MW) |
|---|---|---|---|
| IREN Childress Horizons 1-4 (Microsoft) | operational | - | 750 |
| IREN Sweetwater Hub | under construction | 700,000 | 2,000 |
| IREN Bundey Campus | planned | - | 800 |
Figures come from the AI datacenter metrics; blank means none recorded.
Compute deals
| Date | Role | Counterparty | Type | MW | Value ($bn) | Source |
|---|---|---|---|---|---|---|
| 2025-11-03 | Seller | Microsoft | Cloud contract | 200 | 9.7 | sec.govsec.gov |
Headline values are as announced and are not additive. See all compute deals.
Sites operated
| Site | Location | Cooling | Commissioned |
|---|---|---|---|
| IREN Childress Campus | Childress, TX, USA | Direct-to-chip liquid cooling | 2026 |
| Sweetwater Hub Site (TX) | Sweetwater, TX, USA | - | - |
Related news
- Iren targets 900MW data center campus in Wagga Wagga, Australia · Data Center DynamicsIren, an existing GPU-cloud operator in this dataset, outlined a 900MW campus proposal near Wagga Wagga targeting a 2029 grid connection and up to AU$10bn of investment -- its second major Australian campus disclosed this year, and one the company says sits outside its already-announced 5GW secured-power portfolio, so this is pipeline expansion rather than confirmed new capacity.