Horizon 1 delivered to Microsoft
Company: IREN - Project: Horizon
The claim, verbatim
Horizon 1, a 50-megawatt liquid-cooled deployment, was delivered to Microsoft
Source (primary)
IREN Has $4B of Contracted ARR, but Only $1B Is Operating. How Much Will Reach GAAP Revenue? - Yahoo Finance (-, news_article)
View cached copy (2026-09-01)Live source ↗
Quote: “Horizon 1, the first of four 50-megawatt IT-load liquid-cooled deployments, was delivered to Microsoft”
How we checked this
Checked on October 10, 2026. The cited source supports every part of this claim.
The article states that Horizon 1, the first of four 50-megawatt IT-load liquid-cooled deployments, was delivered to Microsoft.
Confirmed in the source:
- Horizon 1 is a 50-megawatt IT-load liquid-cooled deployment
- Horizon 1 was delivered to Microsoft
What we did: Read our cached copy of the publisher (https://finance.yahoo.com/markets/stocks/articles/iren-4b-contracted-arr-only-034434431.html) in full (10,787 characters, retrieved September 1, 2026) and checked each assertion in the claim against it.
Additional evidence
confirms IREN Has $4B of Contracted ARR, but Only $1B Is Operating. How Much Will Reach GAAP Revenue? - Yahoo Finance
Quote: “Horizon 1, the first of four 50-megawatt IT-load liquid-cooled deployments, was delivered to Microsoft”
confirms IREN Limited Q4 2026 Earnings Call Summary - Yahoo Finance
Quote: “Performance was bolstered by the delivery of Horizon 1 to Microsoft, validating the company's ability to integrate complex liquid-cooled hardware and software at scale.”
confirms IREN Q4 Earnings Call Focuses on AI Cloud Scale & Funding - Yahoo Finance
Quote: “Horizon 1, the first of four 50-megawatt liquid-cooled deployments at Childress, was delivered to Microsoft”
confirms IREN Q4 adj. EPS $(0.74) misses; BTIG sees $4B ARR - scanx.trade
Quote: “IREN delivered Horizon 1, the first of four planned 50-megawatt AI cloud deployments under its Microsoft contract, during the quarter”