AI Data Center List

IREN Childress (Horizon)

AI data center in Childress, Texas, operated by IREN.

IREN's 750 MW Childress, Texas campus, where four liquid-cooled 'Horizon' halls host Nvidia GB300 capacity for Microsoft under a $9.7B, five-year contract. Horizon 1 went live in August 2026; Horizons 2-4 land in early 2027 after a Microsoft network redesign.

Live power
50MW 1 Company figure, as of 2026-08-13
Planned power
750MW 1 Company
Status
Operational First power 2026-08
Accelerators
— No audited count published

Power: what each source says

750 MW secured grid power at the site; the four Horizon halls total ~200 MW IT. Horizon 1 (50 MW) delivered to and accepted by Microsoft 2026-08-13. On 2026-11-05 IREN said a Microsoft-requested network redesign plus supplier timing pushes the rest of the Microsoft capacity from year-end 2026 to January 2027, possibly end-February, with no penalties; Horizon 2 is racked and in commissioning (IREN, Reuters).

Figures labelled Epoch AI are estimates from satellite imagery, permits and filings. Company figures come from the operator, owner or its filings. IT power is what the servers draw; in Epoch AI’s figures for these campuses it runs about 15–35% below total facility power.

Tenants

Microsoft

Campus facts

Operator
IREN 1
Owner / developer
IREN 1
City
Childress 1
State / region
Texas 1
Country
United States 1
First power
2026-08 1
Chips
NVIDIA GB300 1
GPUs / accelerators
Not published
Cooling
liquid 1
Power source
grid (ERCOT) 1
Coordinates
34.43° N, 100.20° W (town level)
Verified

Sources

  1. The Block: IREN delivers first of four AI cloud deployments to Microsoft (2026-08-17) accessed 2026-11-09
  2. IREN 8-K exhibit 99.1 (FY2026) accessed 2026-11-09
  3. IREN Form 10-Q for the quarter ended 2026-09-30 accessed 2026-11-09
  4. Reuters via The Star: IREN delays Microsoft AI deliveries (2026-11-06) accessed 2026-11-09