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Anthropic has agreed to pay $3.4bn for gas-fired generators to power its data centres, the Financial Times reported on Sunday. The FT said it is the biggest known single buy of power kit by an AI company.

The deal covers 1.7 gigawatts of large generators, the FT said, citing one person who knows about it. Anthropic signed it in late September with OnePWR Solutions, a power supplier in San Antonio, Texas. TNW has not independently confirmed the deal.

OnePWR had ordered the generators from Caterpillar about two years ago but needed money to complete the purchase, the FT reported. Anthropic first planned to buy power from OnePWR. Instead, it took over the orders, plus the work needed to install the machines.

Anthropic did not buy OnePWR itself, and none of its staff moved to Anthropic, according to the FT. It is not known where the generators will be used.

Both companies declined to comment to the FT. They also did not immediately respond to Bloomberg, which followed up the report.

The deal comes as Anthropic prepares for its stock market listing. Its amended IPO filing last week showed $895bn in commitments, almost all for computing power and infrastructure.

Other AI firms have also used gas to get data centres running fast. Elon Musk's xAI faces a lawsuit over gas turbines at its Memphis site.

Story by Alina Maria Stan

Alina Maria Stan builds connections that people actually feel. As co-founder and COO of Tekpon, she turns product intuition into real moment (show all) Alina Maria Stan builds connections that people actually feel. As co-founder and COO of Tekpon, she turns product intuition into real moments of discovery, shaping how teams find and adopt SaaS every day. Since 2020, she has led Tekpon's brand voice, media strategy, and growth plays with a clear focus on human outcomes behind every metric. Before Tekpon, Alina followed curiosity across industries and countries. She was CEO of King Casino Bonus and led affiliate and brand strategy at Extremoo Media and Fable Media in Denmark, where she learned how to build partnerships that last. Early on, she sharpened her CRM and pricing instincts at K.H. ApS, always asking why customers choose what they choose. Her approach is rooted in more than a decade of international experience and two master's degrees, one in Sustainable Consumption from the Technical University of Munich and one in Consumer Affairs Management from Aarhus University.