Childress Horizon 1-4
IREN · Childress, Texas · 200 MW · Partly online
IREN is building four liquid-cooled halls at Childress, Texas, to host NVIDIA GB300 GPUs for Microsoft under a $9.7 billion contract.
Facts
As of Nov 3, 2025- Capacity
- 200 MW200 MW critical IT across four liquid-cooled Horizon halls on a 750 MW campus
- Chips
- NVIDIA GB300
- Investment
- GPU and equipment purchase from Dell of about $5.8B; Microsoft contract about $9.7B over five years $5.8B
- Announced
- Nov 3, 2025
- Target online
- 20262026 in phases
- On file since
- Nov 3, 2025 · SEC
- Online
- Building
- Announced
- StoppedPaused or cancelled
Related builds
BuildingTarget 202611 GW
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Stargate Milam County (Freebird)SB Energy builds and runs the 1.2 GW site; phase one, four data halls in 548,950 sq ft, is filed for completion on October 15, 2026. | Build | Location | Capacity | Status | Target online |
|---|
| Project MatadorFermi America is building a private power and AI data center campus in Carson County near Amarillo, Texas, planned at 11 GW or more.Fermi America · Amarillo, Texas · Building · Target 2026 | Amarillo, Texas | 11 GW | Building | 2026 |
| Caldwell Valley Technology ParkTract assembled a nearly 3,000 acre campus in Caldwell County, Texas, planned for over 2 GW of data centers from 2028.Tract · Lockhart, Texas · Announced · Target H1 2028 · unverified | Lockhart, Texas | 2 GW | Announced | H1 2028 |
| Sweetwater 1 and 2IREN 2 GW grid-connected site at Sweetwater, Texas; the first substation was energized in 2026 and initial AI capacity is planned for 2027.IREN · Sweetwater, Texas · Building · Target 2027 | Sweetwater, Texas | 2 GW | Building | 2027 |
| Vantage Frontier campusTen buildings on 1,200 acres, 1.4 GW of GPU capacity, first building due in the second half of 2026. OpenAI named Shackelford County for an Oracle-developed Stargate site a month later.Vantage Data Centers · Shackelford County, Texas · Building · Target H2 2026 | Shackelford County, Texas | 1.4 GW | Building | H2 2026 |
| Monarch Compute CampusNscale bought the Monarch campus in Mason County, West Virginia, and signed a letter of intent to host up to 1.35 GW of Vera Rubin GPUs for Microsoft.Nscale for Microsoft · Point Pleasant, West Virginia · Announced · unverified | Point Pleasant, West Virginia | 1.35 GW | Announced | |
| SINES Data Campus (Start Campus)Start Campus is building a 1.2 GW campus at a former coal plant in Sines, where Nscale deploys over 66,000 Nvidia Rubin GPUs for Microsoft.Start Campus for Microsoft · Sines, Portugal · Partly online · Target 2030 | Sines, Portugal | 1.2 GW | Partly online | 2030 |
| Stargate AbileneThe flagship Stargate campus, built by Crusoe on Lancium's site and run by Oracle for OpenAI: eight buildings, about 1.2 GW.Oracle for OpenAI · Abilene, Texas · Partly online · Target 2026 | Abilene, Texas | 1.2 GW | Partly online3 changes | 2026 |
| Stargate Milam County (Freebird)SB Energy builds and runs the 1.2 GW site; phase one, four data halls in 548,950 sq ft, is filed for completion on October 15, 2026.SB Energy for OpenAI · Milam County, Texas · Building · Target Oct 15, 2026 | Milam County, Texas | 1.2 GW | Building1 change | Oct 15, 2026 |
Sources and links
Datacentersby Glyph