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
- 2
- Aggregate Rmax
- 0.0 GFlop/s
- Aggregate power
- 0 kW
- First appearance
- 2026-08
- 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 | 1 | 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 |
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 |
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 | - | - |