Horizon 1 data center approval and operational status
Company: IREN - Project: Horizon
What the later record shows
Not a promise: a reported event · happened August 13, 2026
The claim describes an approval that had already happened when it was said. IREN's 8-K press release dated August 13, 2026 announced that Microsoft had accepted Horizon 1. A later report says Microsoft is now running AI workloads on it.
“today announced that Horizon 1 has been delivered to and accepted by Microsoft, and that IREN has achieved NVIDIA Exemplar Cloud status”
2026-08-12 · iren 8-K exhibit (ef20080141_ex99-1.htm) View cached copy (2026-08-30)Live source ↗
“Horizon 1 was delivered to, and accepted by, Microsoft in August 2026.”
2026-08-26 · IREN 10-K filed 2026-08-27 View cached copy (2026-08-30)Live source ↗
“IREN delivered Horizon 1, the first of four planned 50-megawatt AI cloud deployments under its Microsoft contract, during the quarter. Microsoft is now running AI workloads on this infrastructure.”
2026-09-16 · IREN Q4 adj. EPS $(0.74) misses; BTIG sees $4B ARR - scanx.trade View cached copy (2026-09-20)Live source ↗
Checked October 9, 2026 against filings, releases and reporting published after the claim was made. Quotes are verbatim from the linked documents.
The claim, verbatim
Horizon 1, the first of four data centers under the Microsoft contract, has been approved by Microsoft and is operational for revenue generation
Source (primary)
IREN Clears Its Biggest AI Test With Microsoft - GuruFocus (-, news_article)
View cached copy (2026-08-31)Live source ↗Archive.org ↗
Quote: “Microsoft Corp. ( MSFT , Financials ) has officially approved Horizon 1, the first of four data centers IREN is developing under a five-year, $9.7 billion deal. That's important because IREN may now begin to send Microsoft a bill every month”
How we checked this
Checked on October 10, 2026. The cited source supports every part of this claim.
The article says Microsoft officially approved Horizon 1, the first of four data centers under the $9.7 billion deal. It also says the site is operating and that acceptance lets IREN begin billing Microsoft monthly, turning the contract into revenue.
Confirmed in the source:
- Horizon 1 is the first of four data centers IREN is developing under its Microsoft contract
- Microsoft has officially approved (accepted) Horizon 1
- Horizon 1 is operational and positioned to generate revenue, with IREN now able to bill Microsoft monthly
What we did: Read our cached copy of the publisher (https://www.gurufocus.com/news/9047728/iren-clears-its-biggest-ai-test-with-microsoft) in full (10,098 characters, retrieved August 31, 2026) and checked each assertion in the claim against it.
Additional evidence
confirms IREN Clears Its Biggest AI Test With Microsoft - GuruFocus
Quote: “Microsoft Corp. ( MSFT , Financials ) has officially approved Horizon 1, the first of four data centers IREN is developing under a five-year, $9.7 billion deal. That's important because IREN may now begin to send Microsoft a bill every month”