What happened
Iren, a former Bitcoin miner now focused on AI data centers, announced $2.8 billion（約4500億円） in new contracts on July 20, causing its stock to surge 20%. The company also raised its year-end AI cloud computing annual revenue run rate outlook to more than $4 billion（約6400億円）, up from $3.7 billion（約5900億円）. The new contracts average four years in length and include deals with hyperscalers, frontier labs, AI developers, and enterprises, with prepayments covering approximately 45% of GPU costs.
Why it matters
Iren's shift from cryptocurrency mining to AI data centers leverages existing assets—secured land and cheap power access—that have become critical bottlenecks in AI infrastructure. Unlike Bitcoin mining's volatile pricing, AI data center contracts offer more predictable revenue. The company has also integrated software capabilities through acquisitions like Mirantis and secured major partnerships with Nvidia ($3.4 billion（約5400億円）, five-year deal) and Microsoft ($9.7 billion（約1.6兆円）, five-year deal dedicating 200 megawatts), positioning it as a diversified AI infrastructure provider.
What to watch
Iren plans to expand capacity from 3 megawatts today to 480 megawatts in 2026 and 1.2 gigawatts in 2027, though the company notes demand continues to exceed its planned capacity additions. The company has secured permitted sites and power in Texas and Australia. Stock has more than doubled over the past year but fallen nearly in half from its highs, reflecting volatility.
Summaries like this, in your inbox every morning.
Iren's transition from Bitcoin mining to AI data center operations represents a strategic pivot grounded in real infrastructure advantages. The company built its original business by securing long-term land leases and negotiating favorable power contracts with utilities—assets that were highly specific to mining but have become critical bottlenecks in AI infrastructure. The shift sidesteps the volatility of cryptocurrency prices while tapping into structurally strong demand for compute capacity.
The $2.8 billion（約4500億円） contract announcement reflects the scale of this opportunity. By structuring deals to include upfront prepayments covering approximately 45% of GPU costs, Iren has reduced its capital risk while securing multi-year revenue streams. The average four-year contract length provides predictability, a stark contrast to the commodity-like dynamics of mining. Recent acquisitions such as Mirantis add software capabilities, allowing Iren to offer a full end-to-end cloud platform rather than just raw compute. The partnerships with Nvidia and Microsoft—totaling $13.1 billion（約2.1兆円） across both contracts—validate this approach and lock in high-margin, stable revenue.
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