Anthropic spends $3.4 billion to procure natural gas-powered generation equipment to power its data centers

According to the Financial Times, Anthropic recently signed a $3.4 billion agreement with San Antonio–based equipment supplier OnePWR Solutions to procure natural-gas-powered generators—totaling 1.7 gigawatts of installed capacity—a deal finalized in late September. The move reflects AI labs’ accelerating push into the energy sector and their growing willingness to bypass traditional intermediaries in the race for scarce power-generation equipment. Notably, Anthropic did not acquire OnePWR itself; however, the agreement includes full engineering design and construction capabilities required to install the generators. Sources familiar with the matter confirmed that no OnePWR employees transferred to Anthropic. Separately, insiders revealed that OnePWR had placed the generator order with Caterpillar two years ago but struggled to secure financing, delaying fulfillment. Anthropic initially intended to purchase the units as a customer—but ultimately stepped in to directly assume the existing, undelivered order.