Anthropic spends $3.4B on gas generators it didn't originally order
Anthropic has agreed to pay about $3.4 billion for 1.7 GW of gas-fired generators, taking over orders another company couldn't finance, the FT reports.
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Anthropic is spending $3.4 billion on natural gas turbines, according to a Financial Times report that TechCrunch picked up on Monday. The equipment can produce up to 1.7 gigawatts, and it was originally ordered by a supplier that couldn't pay for it.
Neither company seems to have confirmed the terms publicly. I'd treat the details below as the FT's reporting, repeated by other outlets, until Anthropic or OnePWR says more.
What Anthropic bought
Going by Quartz's summary of the FT story, Anthropic obtained commitments covering 1.7 gigawatts of heavy-duty generators from OnePWR Solutions, a San Antonio, Texas supplier, in late September. The FT called it the biggest single purchase of power-generation equipment known to have been made by an AI lab.
It isn't buying the company. Anthropic left OnePWR independent, though the deal included the engineering and construction capabilities needed to install the generators. The kit is made by Caterpillar.
One detail differs between reports. TechCrunch says Anthropic had planned to buy from OnePWR but went directly to Caterpillar instead. Quartz and Tom's Hardware describe it as taking over OnePWR's existing Caterpillar orders. Either way, the generators end up with Anthropic.
Who pays and who gains
Anthropic pays the bill. That works out to roughly $2 billion per gigawatt, which is simple division of the reported figures.
OnePWR gets out of a bind. According to the report, it ordered the turbines a couple of years ago but couldn't find financing to complete the purchase. TechCrunch adds that it's not clear why OnePWR couldn't secure financing despite Anthropic's apparent interest as a customer.
Anthropic gets something scarcer than money: a place in line. The backlog for natural gas turbines stretches into the early 2030s, and grid connection queues can be just as long. Tom's Hardware, citing reported figures, says global turbine orders have exceeded 100GW while manufacturing capacity is an estimated 60GW to 70GW. Buying someone else's spot in that queue looks like the fastest route.
TechCrunch also suggests Anthropic probably wanted to keep the capacity from a competitor. That's a guess, and I think it's a sensible one.
A break from renting
The purchase cuts against Anthropic's habits. TechCrunch notes the company has historically preferred to rent rather than buy, and that its S-1 filing in May disclosed payments of $1.25 billion per month to xAI through May 2029 for computing power.
Owning generators is a different kind of commitment from renting servers. You can't hand turbines back when demand softens.
The buyer's remorse risk
The fuel is the exposed flank. In an amended filing, as quoted by madrobot.blog, Anthropic says some planned data centers rely on on-site gas generation, leaving it exposed to fuel price swings and supply disruptions "outside of our control". The same write-up says the filing describes contracts that generally pass fuel costs to Anthropic "without cost caps".
On prices, TechCrunch points to one analyst who expects gas prices could more than triple by the end of the decade in some markets. That's a single forecast, not a consensus. Still, it's the scenario behind TechCrunch's buyer's remorse line.
Honestly, I'd say the equipment cost is the smaller worry. A few billion dollars is manageable for a company with this much compute spending lined up. An uncapped fuel bill for years is the part I'd lose sleep over.
The wider rush to gas
Anthropic isn't alone. Google, Amazon, Microsoft and Meta have all announced plans to build massive gas plants to power data centers on site rather than draw from the public grid. TechCrunch also cites a projection that U.S. data centers alone could use more natural gas than Germany and Japan combined by 2035 if the buildout goes as planned.
Environmental and permitting questions come with that. The filing, as quoted by madrobot.blog, notes on-site generation faces its own "permitting, environmental, air quality" and siting rules.
What to watch next
TechCrunch says Anthropic is planning to go public this year, so more detail may arrive through further filings. I'd watch for where the generators are going, who pays for fuel, and whether Anthropic or OnePWR comments on the terms. Until then, my read is that this is a defensive move: power is the bottleneck, and Anthropic paid up to get ahead of it.
