Childress Horizon 1-4

Name: Childress Horizon 1-4
Address: Childress, Texas, US

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

Operator: IREN
Tenant: Microsoft
Partners: Nvidia, dell
Capacity: 200 MW, 200 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
Location: Childress, Texas · Cloud regions nearby
Announced: Nov 3, 2025
Target online: 2026 in phases

Append-only, newest first

Date	Change	Source
Nov 3, 2025	AnnouncedSource	SEC

Build	Location	Capacity	Status	Target online
Project MatadorFermi America · Amarillo, Texas · Building	Amarillo, Texas	11 GW	Building	Initial power targeted 2026
Caldwell Valley Technology ParkTract · Lockhart, Texas · Announced · unverified	Lockhart, Texas	2 GW	Announced	Initial utility delivery first half of 2028
Sweetwater 1 and 2IREN · Sweetwater, Texas · Building	Sweetwater, Texas	2 GW	Building	Sweetwater 1 initial phase 2027
Vantage Frontier campusVantage Data Centers · Shackelford County, Texas · Building	Shackelford County, Texas	1.4 GW	Building	H2 2026
Monarch Compute CampusNscale for Microsoft · Point Pleasant, West Virginia · Announced · unverified	Point Pleasant, West Virginia	1.35 GW	Announced
SINES Data Campus (Start Campus)Start Campus for Microsoft · Sines, Portugal · Partly online	Sines, Portugal	1.2 GW	Partly online	2030
Stargate AbileneOracle for OpenAI · Abilene, Texas · Partly online	Abilene, Texas	1.2 GW	Partly online3 changes	2026
Stargate Milam County (Freebird)SB Energy for OpenAI · Milam County, Texas · Building	Milam County, Texas	1.2 GW	Building1 change	Oct 15, 2026

Sources and links