IREN Limited (IREN) is swapping one business for another. The company is trading cryptocurrency-linked revenue for long-term computing contracts, while taking on the challenge of financing, building and operating infrastructure that AI customers increasingly need. That could give it a more durable source of demand than Bitcoin (CRYPTO:$BTC) mining, but the transition comes with a different set of financial pressures.

From Bitcoin to AI Cloud

The shift is already visible in IREN's financial results. In fiscal 2026, ended June 30, the company generated $578.2 million in Bitcoin mining revenue, compared with $128.8 million from AI Cloud Services, according to its annual results. AI Cloud revenue increased nearly eightfold from $16.4 million in fiscal 2025, while total revenue rose to $707 million from $501 million.

IREN is reallocating electricity and data-center capacity from mining equipment toward computing infrastructure used for AI training and inference, the process of running trained models to generate responses. In its 2026 annual filing, the company said it aims to substantially complete this transition by Dec. 31, 2026.

The opportunity is to turn existing power access and facilities into infrastructure that AI developers can use under longer-term contracts. But the financial results show that this is still a transition, not a completed transformation.

The Cost of Changing Business Models

IREN reported a $702.6 million net loss for fiscal 2026, compared with $86.9 million in net income a year earlier. Noncash impairment charges of $638.8 million, primarily related to decommissioning Bitcoin mining hardware as sites are converted for AI, weighed heavily on the result. Adjusted EBITDA, a measure of operating performance, also fell to $245.7 million from $269.7 million.

Those charges do not represent an equivalent cash outflow in the period, but they illustrate the cost of retiring equipment that no longer fits the company's strategy. IREN must also finance new GPUs, data-center construction and the supporting infrastructure before all planned capacity generates revenue.

The company reported $4 billion in contracted annualized run-rate revenue for 2026 capacity, but only $1 billion was operating at the time of its August update. That distinction matters: contracted revenue represents business expected from signed agreements, while operating revenue depends on delivering usable capacity and serving customers.

Contracts Are Only Half the Equation

IREN's annual results also highlighted customer prepayments and GPU financing as ways to fund expansion. These arrangements can reduce the amount of upfront capital the company must provide itself, but financing does not eliminate construction, delivery or operating risks.

Investors should watch how quickly contracted capacity becomes operational revenue, whether AI Cloud margins improve and how much additional debt or equity the expansion requires.

IREN's pivot could reduce its direct dependence on Bitcoin economics, but its success now depends on executing a capital-intensive infrastructure business — where demand is only valuable if the company can deliver capacity profitably.