Anthropic Signs 20-Year, $19 Billion Data Center Deal with TeraWulf

Anthropic has signed a twenty-year data center lease with US company TeraWulf worth roughly $19 billion. It's one of the largest deals of its kind in the AI industry this year, and another sign that large language model developers are racing to lock in computing capacity years in advance.

A bitcoin miner transforms its business

TeraWulf was known for years as a bitcoin mining company, but it has been shifting its business model toward leasing infrastructure for AI computing. The deal with Anthropic is the clearest evidence yet of that transformation: the contract's value exceeds the company's entire prior market capitalization, which stood at around $12 billion.

The Justified Data Campus in Hawesville was built on the site of a former Century Aluminum smelter. TeraWulf, through its subsidiary Raylan Data Holdings, acquired the site for about $200 million, banking on the existing power infrastructure with a capacity of around 480 megawatts.

Why Anthropic needs so much power

Anthropic, the maker of the Claude models, has been signing one infrastructure deal after another for months to keep up with growing demand for training and running increasingly large models. The company is competing for access to energy and chips with OpenAI, Google, and Meta, and the market for AI computing capacity has for some time been marked by shortages and rising energy prices.

The deal's 20-year horizon shows that Anthropic is planning its infrastructure on a timescale far longer than the typical AI model development cycle, which is measured in months. The approach mirrors what major cloud providers do: long-term energy contracts are meant to guarantee a stable supply of computing power regardless of market fluctuations.

Markets react with enthusiasm

Investors greeted the news with clear enthusiasm. TeraWulf shares jumped as much as 18 percent on the day the deal was announced, and the company is up 117 percent since the start of the year. It shows just how much the market rewards energy and infrastructure companies that can turn their assets into contracts with AI labs.

At the same time, TeraWulf is selling a majority stake in its Abernathy, Texas project to Fluidstack for about $450 million. The company plans to use the proceeds to fund fully owned infrastructure projects of its own, rather than splitting revenue through joint ventures.

What it means for the AI market

For Polish companies and investors watching the AI sector, this deal is further proof that infrastructure costs are becoming the main factor separating market leaders from the rest of the pack. The scale of investment, billions of dollars for a single data center, is out of reach for smaller players, including European ones, deepening the lead held by the largest American AI labs.

The deal also fits a broader trend of converting energy and industrial infrastructure, including former cryptocurrency mining facilities, into backbones for training language models. Other cryptocurrency mining companies with access to cheap power and ready-made electrical infrastructure are undergoing similar transformations.

Sources: The Block (theblock.co), SiliconANGLE (siliconangle.com), CoinDesk (coindesk.com)