Anthropic has taken over $3.4bn worth of gas generator orders to power its data centres, the Financial Times reported. The deal covers 1.7 gigawatts of large machines originally ordered from Caterpillar through OnePWR Solutions of San Antonio, Texas. For a company preparing a stock market listing, securing power this way signals that compute capacity now depends on energy deals as much as chips.
How the OnePWR generator deal was structured
Anthropic signed the agreement in late September with OnePWR Solutions, according to the FT, citing a person familiar with the matter. TNW noted it had not independently confirmed the deal. Both Anthropic and OnePWR declined to comment to the FT and did not immediately respond to Bloomberg, which followed up the report. The lack of on-record confirmation leaves the commercial terms beyond price and volume undisclosed.
OnePWR had placed the orders with Caterpillar about two years ago but needed funding to complete the purchase, the FT reported. Anthropic had first planned to buy power from OnePWR as a supplier. Instead it took over the equipment orders plus the work needed to install the machines. That structure shifts Anthropic from energy buyer to equipment owner and project operator.
Anthropic did not acquire OnePWR itself and none of its staff moved to Anthropic, according to the FT. It is not known where the generators will be deployed. The report also coincides with a public appearance by CEO Dario Amodei near the White House for a meeting with President Donald Trump in Washington on 29 September 2026, placing the energy move inside a wider political discussion.
What the energy bet means for AI buyers
The purchase comes as Anthropic prepares for listing, with its amended IPO filing last week showing $895bn in commitments, almost all for computing power and infrastructure. For enterprise customers, that scale of forward obligation ties model availability and pricing to physical build-out. A small firm using Anthropic models feels this as continuity of supply, while a large company negotiating capacity sees energy as part of vendor reliability.
Other AI firms have also turned to gas to bring data centres online quickly, and Elon Musk's xAI faces a lawsuit over gas turbines at its Memphis site. The parallel shows that speed brings permitting and environmental scrutiny. When selecting providers, companies should ask where backup or primary gas capacity will run, what permits apply, and how emissions rules could affect timelines.
The marker to watch is disclosure around the IPO: locations for the 1.7 gigawatts, installation schedules, and how the $895bn in commitments converts into operating data centres. If filings or contracts name sites and dates, power stops being a constraint narrative and becomes measurable capacity. Without that detail, the generator deal remains a signal of intent rather than delivered compute.
