Anthropic has reportedly agreed to pay about $3.4 billion for commitments covering 1.7 gigawatts of heavy-duty gas-fired generators, a move that would secure scarce power equipment for its fast-growing data centres just as the company prepares to go public. The agreement, struck in late September with San Antonio equipment supplier OnePWR Solutions, covers the machines plus the engineering and construction work needed to install them. Anthropic did not buy the supplier itself, and none of its staff moved across. Neither company has commented, and the deal has not been independently confirmed.
What the reports say
The Financial Times first reported the agreement on Sunday, describing it as the largest known single purchase of power-generation equipment by an AI lab. Anthropic bought the generator commitments in late September, according to a person familiar with the matter cited by the newspaper. The machines are gas-fired units built to power data centres that cannot wait for grid connections.
OnePWR Solutions, the San Antonio company on the other side of the deal, develops behind-the-meter power plants and microgrids. It had ordered the generators from Caterpillar about two years ago but needed financing to finish the purchase. Anthropic first planned to become a OnePWR customer, then stepped in to take over the equipment orders instead.
Equipment, not a takeover
The deal is not a takeover. Anthropic did not acquire OnePWR, and none of the supplier’s employees transferred to the AI company. What changed hands were the generator orders and the engineering and construction capability needed to install them on site.
Investment bank Piper Sandler lists itself as OnePWR’s exclusive adviser on a September 2026 sale of its power generation platform, valued at $3.4 billion, to an unnamed frontier AI lab. The month and the figure match the Anthropic deal, but the adviser’s record does not name Anthropic, so it supports the timing and size rather than proving the buyer’s identity.
Much about the deal remains undisclosed. The reports do not say where the generators will be installed, when they will arrive, or how the $3.4 billion splits between equipment and installation work. Anthropic and OnePWR declined to comment to the Financial Times, and Reuters said it could not immediately verify the report.
Why generators, why now
The purchase fits what Anthropic has already told investors. In its amended stock-market filing on 2 November, the company disclosed about $895 billion in purchase and lease commitments, mostly tied to computing and infrastructure. The same filing said some planned data centre facilities rely on dedicated on-site natural gas-fired generation, and warned that turbines and generators face long delivery times.
Demand is the other driver. Strong interest in Anthropic’s Claude models has pushed the company to lock in computing and power capacity, and Reuters reported in September that it expects to spend more than $500 billion over the next decade building AI infrastructure. Buying another company’s place in the Caterpillar queue is a shortcut around the wait.
Our Read
This is an AI lab behaving like an energy company. Faced with grid connections that take years, Anthropic is buying hardware directly rather than waiting for utilities or landlords to deliver power. The timing matters too: the deal surfaced days before the company’s expected stock-market roadshow, when every dollar of its infrastructure bill will be under investor scrutiny.
Anthropic is not alone in chasing power. OpenAI has pressed ahead with its own United States data-centre expansion despite political opposition after the midterm elections, and it has just closed the first $11 billion of a new funding round. The race is no longer about models alone; it is about securing the electricity to run them.
Why It Matters
Power has become the constraint on AI growth, and this deal shows how far labs will go to secure it. A 1.7-gigawatt equipment purchase is large enough to shape Anthropic’s costs and its pitch to investors, who are weighing the $895 billion in spending. It also puts the company’s gas-fired bet in the spotlight as data-centre expansion draws political opposition.
Background
Anthropic filed for its stock-market listing on 26 October and updated the filing on 2 November, with a listing expected before Thanksgiving and a roadshow reported to begin next week. The generator deal lands just as investors weigh the company’s valuation, which has slipped from early hopes of $2 trillion.
Source: Reuters on the FT report and Dealroom’s account of the deal
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