Anthropic reportedly agrees $3.4 billion gas generator deal for data centers

Anthropic has reportedly agreed to spend about $3.4 billion on gas-fired generators for data centers, securing equipment commitments equal to 1.7 gigawatts from OnePWR Solutions. The reported Anthropic gas generator deal could help the AI company secure scarce power equipment, but the companies have not confirmed it and Reuters said it could not independently verify the report.

The Financial Times reported that Anthropic made the agreement in late September with OnePWR, a San Antonio-based equipment supplier. The deal reportedly includes engineering and construction capabilities needed to install the generators.

Anthropic and OnePWR declined to comment to the Financial Times, according to the newspaper. Reuters separately said neither company responded to its requests for comment.

What did Anthropic reportedly buy in the generator deal?

The reported transaction is for commitments to heavy-duty generators, not an acquisition of OnePWR and not a purchase of delivered electricity. The Financial Times said Anthropic took over generator orders that OnePWR had previously placed with Caterpillar after initially planning to become a OnePWR customer.

That distinction leaves several details unresolved, including where the equipment would be installed, when it would enter service and which data-center projects it would support. Owning or controlling generator commitments does not, by itself, establish that a company has completed a power plant or data center.

The Financial Times described the transaction as the largest known single purchase of power-generation equipment by an AI lab. It reported that OnePWR had placed the Caterpillar orders about two years earlier and needed financing to complete the purchase.

Why is Anthropic seeking generator commitments?

AI developers need electricity, data-center space and computing equipment to train and run their models. Reuters reported that demand for Anthropic's Claude models had led the company to seek more computing and power capacity.

According to the Financial Times, taking over existing generator commitments could give Anthropic access to equipment ordered before prices rose and amid long manufacturing lead times. That is an assessment of the potential procurement benefit, rather than a stated reason from Anthropic.

Fortune reported that Anthropic's securities filing described a strategy called Anthropic Direct, under which the company can lease chips and place them in dedicated data centers. The filing said that separating data-center capacity from the computing equipment inside the facilities could allow it to secure sites earlier while delaying larger accelerator purchases until its needs are clearer.

The reported generator deal comes as Anthropic prepares for a possible initial public offering, according to Fortune. The available reporting does not establish that the generator transaction was undertaken for an IPO or to achieve what has been described as AI autonomy.

Anthropic's filing also identified risks for projects that depend on dedicated natural-gas generation, Fortune reported, including fuel-price changes, limits on pipeline capacity and the extended lead times for electrical equipment. Those risks underscore that generator commitments are only one part of bringing new data-center capacity online.

This story draws on original reporting from Fortune.