Anthropic buys $3.4B in natural gas turbines to secure AI power

A shift toward physical assets

Anthropic is making a significant move into physical infrastructure by spending $3.4 billion on natural gas turbines. This purchase marks a departure from the company's historical preference for renting resources rather than owning them. The move is intended to address the acute power crunch facing the AI industry.

The company is acquiring Caterpillar generators that were originally intended for another supplier, OnePWR. While Anthropic had expressed interest in the equipment, it ultimately went directly to the manufacturer to secure the deal. This strategy ensures that the generating capacity remains exclusive to Anthropic rather than being available to a competitor.

According to a report by the Financial Times, this investment is a response to the growing difficulty of securing reliable electricity. As AI companies scale their operations, the demand for power has created a highly uncertain market for energy providers. Anthropic's move suggests that traditional methods of obtaining power are no longer sufficient for their growth plans.

Bypassing the energy bottleneck

The primary driver for this purchase is the extreme backlog for new energy infrastructure. Currently, the wait times for natural gas turbines stretch into the early 2030s, and the queues to connect new facilities to the public electrical grid are similarly long. By owning their own turbines, Anthropic can bypass these delays.

The specific equipment being purchased is capable of producing up to 1.7 gigawatts of electricity. This level of power is necessary to sustain the massive computing requirements of modern AI models. Without these dedicated sources, the company would face significant hurdles in expanding its data center capacity.

Anthropic has previously relied on service contracts to power its operations. For example, the company disclosed in a May filing that it pays SpaceX subsidiary xAI $1.25 billion per month to use their computing power. However, the increasing scarcity of power may be forcing the company to transition toward self-sufficiency.

The rise of on-site power

Anthropic is not alone in this trend toward private energy generation. Major technology companies including Google, Amazon, Microsoft, and Meta have all announced plans to build large-scale natural gas power plants. These facilities are designed to power data centers on-site rather than drawing from the public grid.

This collective shift by hyperscalers is providing a second wind to fracking, which is the method used to extract natural gas from underground rock. The scale of this transition is massive, with projections suggesting U.S. data centers could consume more natural gas than Germany and Japan combined by 2035.

By building their own plants, these companies are attempting to insulate themselves from the limitations of public utility infrastructure. This move reflects a broader trend where the biggest players in technology are becoming significant players in the energy sector to ensure their AI ambitions remain viable.

Risks of the gas-powered path

While owning turbines solves the immediate problem of electricity availability, it introduces new financial risks. Relying on natural gas exposes these tech companies to significant price fluctuations in the energy market. If gas prices rise sharply, the cost of running AI models could increase dramatically.

Some analysts have warned that prices in certain markets could more than triple by the end of the decade. This creates a situation where Anthropic might face buyer's remorse if the cost of fuel outweighs the benefits of having dedicated power. The company is essentially betting on the stability of natural gas prices to maintain its competitive edge.

The transition to on-site power also has environmental and regulatory implications that are still being explored. As the AI industry becomes a major consumer of fossil fuels, the companies involved will have to navigate the complexities of managing their own energy production. This represents a new chapter in how technology companies interact with the physical world.