Anthropic will lease at TeraWulf's Justified Data site in Hawesville, Kentucky, which is expected to provide 401 MW of IT load.

TeraWulf is a crytpo mining company that has pivoted to AI data center infrastructure. Its stock is up more than 80% this year.

TeraWulf's 20-year lease deal with Anthropic is expected to generate $19 billion in revenue—and major Bitcoin mining stocks are surging.