Why is power the binding constraint on AI scaling instead of chips?

Chip supply has been loosening while grid-connected power has not. Securing hundreds of megawatts in the right locations, with long-term utility agreements and the cooling and interconnection to use it, takes years and relationships that AI labs and cloud providers largely do not have. That makes power, not GPUs, the hard problem in the AI buildout.

How are Bitcoin miners positioned to supply AI compute infrastructure?

The 2024 Bitcoin halving forced surviving miners to master power procurement: long-term power purchase agreements, transformer and cooling buildout, grid interconnects, and demand response programs. Those are the exact capabilities the AI buildout needs. Public miners including IREN, Hut 8, Core Scientific, TeraWulf, and Cipher have since signed more than $70 billion in combined AI and HPC contracts with counterparties like Microsoft, AWS, and Google.

What did the Anthropic-SpaceX Colossus deal reveal about AI compute economics?

Through SpaceX's IPO filing, it emerged that Anthropic is paying roughly $1.25 billion a month to rent the full capacity of xAI's Colossus 1 facility in Memphis—220,000 GPUs and more than 300 megawatts—on a contract running to 2029. Even one of the best-funded AI labs rents capacity from an operator that already built the power and the facility, which mirrors the power-purchase logic Bitcoin miners pioneered.

Compute is an energy business. Bitcoin miners knew first.

June 1, 2026 3 min read

April 20, 2024. The block reward drops from 6.25 bitcoin to 3.125. Overnight, the economics of Bitcoin mining get cut in half again. For operators running old hardware on expensive grid power, it was a termination notice.

The halving sorted mining. The miners who survived were the ones who had already done something most tech companies have never had to do: negotiate a 10-year power purchase agreement with a utility, build out transformer capacity, manage demand response programs, and run a facility where power cost determines the entire profit margin. The halving was a competency test, and joules per terahash was the passing grade.

That infrastructure work looked like a niche skill. It turned out to be the entire game.

The AI buildout needs power the way Bitcoin mining needs power, at 10 to 100 times the scale and with none of the lead time. Hyperscalers are good at writing software and signing enterprise contracts. Securing 300 megawatts of grid-connected power in 18 months, in a jurisdiction with no prior utility relationships, falls outside those strengths. The operators who survived the 2024 halving are. They have the site control, the grid interconnects, the cooling infrastructure, and the operational track record. AI labs and cloud providers cannot build those from scratch.

The Anthropic-SpaceX deal made this concrete. In May 2026, via SpaceX’s IPO filing, it emerged that Anthropic is paying $1.25 billion a month to rent the full capacity of xAI’s Colossus 1 facility in Memphis: 220,000 GPUs, more than 300 megawatts, a contract running to 2029. Even Anthropic, one of the best-funded AI labs on earth, rents from an operator that already built it. Colossus is xAI’s facility. The economics look like a PPA. The logic is identical to what Bitcoin miners pioneered: find the power, build the facility, charge a premium for the capacity.

The public Bitcoin miners who pivoted earliest have locked in contracts that add up to more than $70 billion in AI and HPC revenue across the sector.

IREN, formerly Iris Energy, signed a five-year, $9.7 billion contract with Microsoft in November 2025 to supply 200 megawatts of liquid-cooled GPU infrastructure at its Childress, Texas campus. Hut 8 signed a 15-year lease with Fluidstack for 245 megawatts in Louisiana, valued at $7 billion over the base term. Core Scientific had over $10 billion in contracted revenue anchored by a 12-year take-or-pay agreement covering roughly 590 megawatts. TeraWulf put together multiple Fluidstack deals: $3.7 billion at its Lake Mariner site in New York, backstopped partly by Google, and $9.5 billion at its Abernathy, Texas site. Cipher Digital (formerly Cipher Mining) signed a 15-year, $5.5 billion contract with Amazon Web Services for 300 megawatts at its Barber Lake facility in West Texas.

These are signed, contracted obligations. Google, Microsoft, AWS, and CoreWeave are the counterparties.

GPU infrastructure produces 10 to 25 times more revenue per megawatt than Bitcoin mining at current prices. The capital is higher. HPC buildouts run $10 to 20 million per megawatt against $300,000 to $500,000 for mining, but the long-term contracted revenue justifies it. And for miners who already own the sites and the grid connections, the conversion cost is lower than starting from zero.

The marginal cost of intelligence hit zero; the cost of the power that produces it did not. Power is the binding constraint on AI scale. Chip supply is loosening. Securing grid-connected megawatts, in the right locations, with the right agreements, is the hard problem. The miners who rebuilt their operations around that constraint, because Bitcoin forced them to, are now holding the exact infrastructure the next decade of computing requires.

The miners weren’t betting on AI. They were surviving Bitcoin. Survival demanded exactly what the AI buildout now needs and can’t conjure on demand: grid-connected power secured years in advance.

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