A deal built on someone else's order
Anthropic has agreed to pay about $3.4 billion for 1.7 gigawatts of gas-fired generators, according to a Financial Times report published on Sunday. The AI company bought the commitments in late September from OnePWR Solutions, a San Antonio, Texas supplier that had ordered the heavy-duty machines from Caterpillar roughly two years earlier and needed financing to complete the purchase.
The deal included the engineering and construction work needed to install the generators, the report said. Anthropic did not buy OnePWR itself, and none of the supplier's staff moved to the company. Where the generators will run has not been disclosed. Anthropic and OnePWR did not comment, and Reuters said it could not independently verify the figure.
Power is now the constraint
The order is the largest known single purchase of power-generation equipment by an AI lab. It fits a pattern: training and running models is limited less by chips than by the electricity and grid connections behind them. Anthropic has said it expects to spend more than $500 billion over ten years on computing infrastructure.
Buying engines instead of waiting for grid upgrades lets a lab move faster, at a cost. Gas generators carry emissions, and data centre operators increasingly meet local opposition and tighter air permits. Connection queues in parts of the United States run for years, which is why several operators have turned to on-site generation.
What it means for Caterpillar
Caterpillar closed at $558.63 on Friday, before the report was published. The transaction does not represent new revenue for the manufacturer, because OnePWR had already placed the orders and the terms of that original contract were never disclosed. But it shows how valuable an existing slot in an equipment backlog has become, and investors read it as a signal that demand for gas generation is being pulled forward by buyers who cannot wait.
For Anthropic the arithmetic is simple: capacity secured now is capacity a competitor cannot take. For the power market, it is one more very large load arriving ahead of the wires.
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