Anthropic Bought $3.4 Billion of Gas Generators to Power Its AI Data Centers

AI labs have been described as buying electricity. Anthropic just bought the generators. The Financial Times reports the company paid roughly $3.4 billion for commitments to 1.7 gigawatts of heavy-duty gas-fired engines from Caterpillar — ordered two years ago by a San Antonio equipment supplier that needed cash to finish paying for them. Anthropic did not acquire that supplier, and neither company has commented. What the deal actually was The structure matters more than the number. OnePWR Solutions had placed Caterpillar generator orders about two years earlier, at prices set before the surge. Anthropic took over those orders in late September — along with the engineering and construction capability needed to install them. Anthropic did not buy OnePWR, and none of its employees moved to Anthropic. Piper Sandler lists a $3.4 billion sale of OnePWR’s power generation platform to an unnamed frontier AI lab, dated September 2026. Big generators now come with multi-year waits.

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