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Iren reported $4bn of annual recurring revenue for FY2026 with $1bn of it actually operating, and its own filing says losing committed capacity at a significant customer could hit results and cash flows.
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Nine months separated Microsoft's $9.7bn cloud deal with Iren, signed in November 2025, from the first phase of capacity delivered in August 2026 [6][9]. That interval is the thing to hold while reading a $4bn ARR figure [2].
ARR here is a forward number. Iren's own split says $1bn of the $4bn is operating today, with the remainder ramping through 2027 [4], which leaves $3bn, or 75% of the total, as a delivery schedule rather than a running service [1]. The AI cloud actually billed $128.8m in FY2026, up from $16.4m [11]. The ARR headline is roughly 31 times what that business earned last year [4]. The physical version of the same gap: 40MW of AI cloud capacity at the end of June 2026 inside 420MW of total operating capacity [10], against a 5GW pipeline spread over Texas, Oklahoma, British Columbia, Australia and Spain [17].
Concentration is not an outside inference. The annual report says the Nvidia contract (five years, $3.4bn total value, signed May 2026) together with the Microsoft deal "represent a substantial majority of our contracted revenue" [5][7], and names the consequence: loss of, or any material reduction in committed capacity by, any significant customer "could have a material adverse effect on our results of operations and cash flows" [8]. Set the two contract values against $16.6bn of remaining performance obligations and you get $13.1bn, about 79% of the backlog [9][2].
Bitcoin is paying for the transition. Mining brought in $578.2m against the AI cloud's $128.8m [11], putting AI at 18% of the two lines combined [3], and Iren liquidates mined coin daily to fund operating and capital spending [12]. That engine is set to be effectively decommissioned by the end of December 2026 [13], ahead of the year in which most of the $4bn is meant to switch on. The retrofit bill is already booked: impairment rose $631.6m year on year as air-cooled sites in British Columbia and Childress were reworked, including direct-to-chip liquid cooling at Childress [15][16], and an $86.9m profit became a $702.6m loss, a swing of $789.5m [14][5].
Two ratios out of this filing travel to any compute vendor's pitch. First, operating ARR over total ARR, which is 25% here [1]. Second, the share of contracted backlog sitting with the top two counterparties, 79% [2]. High on the first and low on the second is a supplier you can plan a roadmap against. Low on the first and high on the second is a construction programme with two anchor tenants, and the smaller names on the customer list (Cohere, Perplexity, Figure AI, Fal.ai, Higgsfield AI and Prometheus among them [3]) get scheduled around the anchors rather than ahead of them. Iren is candid that the second does not automatically become the first: expansion of AI cloud services "will take time to implement, and there can be no assurance that we will be successful in doing so in the near term or at all" [18].
Ranked by verification strength, evidence, and original report placement.
Iren, formerly Iris Energy, has secured a cloud contract with an unnamed "leading frontier lab", disclosed alongside its FY2026 full-year results.
Co-founder and co-CEO Daniel Roberts said on Iren's earnings call that the company now has annual recurring revenue of $4 billion.
Iren's ARR includes contracts with Cohere, Prometheus, Perplexity, Figure AI, Fal.ai and Higgsfield AI.
Of Iren's $4bn ARR, $1 billion is currently operating and is expected to ramp up during 2027, including a further $700 million associated with the Nvidia contract.
Iren's contract with Nvidia was signed in May 2026, spans five years, and has a total contract value of $3.4bn.
Iren signed a $9.7bn cloud deal with Microsoft in November 2025; the first phase of capacity for that contract was delivered in August 2026.
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Filing quotes, one newsroom
The strong part is that Data Center Dynamics went past the press release: the concentration sentence and the "no assurance" caveat are lifted verbatim from Iren's annual report, and the expense lines are itemised well enough to check the arithmetic. The weak part is everything around it. One outlet, no second read of the same filing, the frontier-lab counterparty withheld, and the $4bn headline is a company-defined measure with no stated basis — a five-year $3.4bn Nvidia contract does not obviously annualise into it.
40MW live under a $16.6bn book
There is real, paid deployment: $128.8m of AI cloud revenue from near-nothing a year ago, Microsoft's first phase handed over, a roster of named tenants from Cohere to Fal.ai. There is also 40MW. The contracted book is $16.6bn and the pipeline is drawn at 5GW, but what is switched on is one-tenth of the estate and mining still writes four-fifths of the revenue with a decommissioning date three months out.
$4bn said, $128.8m booked
The stretch is the company's, not the reporting's. A $4bn recurring-revenue number announced on a call where a quarter of it is operating, roughly 31 times what the AI business actually billed for the year, is a forward-looking figure wearing present-tense clothes. What keeps this from being worse is that the same story publishes the deflators — the $1bn operating, the loss, the filing's warning about significant customers — instead of taking the headline at face value.
Announcing into a financing round
Iren is in the market. Its CFO says about $19bn has been secured this year through prepayments, GPU funding, convertible notes and equity, and that roughly $8bn more of GPU financing and prepayments is being targeted. A large forward ARR number and an unnamed frontier-lab logo are exactly the currency that conversation runs on. Compensation points the same way: over half of a $313m rise in overheads is stock-based, tied to market-based RSU and option vesting, and each co-CEO took another 9,099,328 restricted units in July. Mining, meanwhile, is sold daily for cash to fund the buildout — the pivot is being financed by the business it is replacing.
Solid on the past year, thin on 2027
Treat the backward-looking half as reliable: the loss, the expense breakdown, the megawatts and the quoted filing language are the kind of detail that would be corrected quickly if wrong. Treat the forward half as a plan. The 2027 ramp, the December mining shutdown and the 5GW pipeline all rest on management's own timetable, unexamined here by any outside voice, and no counterparty has confirmed the capacity it has committed to take.