Google cosigns TeraWulf's $19B Anthropic lease in Kentucky

TeraWulf just got a cosigner that lenders won't lose sleep over. The former Bitcoin miner disclosed on November 4, 2026, that it secured credit support agreements with Google LLC, with the search giant guaranteeing some of Anthropic's obligations tied to the Justified Data Campus in Hawesville, Kentucky.

The backing sits behind roughly $19 billion in lease commitments from Anthropic under a 20-year agreement. The campus is built to deliver about 401 MW of critical IT load — the power that actually feeds servers and computing gear, not cooling or lights. In plain terms, that's a measure of how much real computing the site can run.

TeraWulf CEO Paul Prager said the Google arrangement sharpens the company's ability to line up competitive financing, and pointed to added execution capacity from a new construction tie-up. That partner is Fluor Enterprises, which signed a definitive engineering, procurement and construction agreement — an EPC — structured on a guaranteed maximum price basis, capping what the owner pays while Fluor generally absorbs overruns past the ceiling. Fluor will put up three data center buildings, with phased readiness expected from late 2027 through the second quarter of 2028.

The financing news builds on a lease TeraWulf announced in July 2026, projected to generate around $19 billion in revenue over its term. Google's involvement isn't a one-off: the company has provided similar financial backstops for other Anthropic-related projects, arrangements that have helped finance more than 2 GW of capacity in total.

TeraWulf has been growing elsewhere in Kentucky too, expanding contracted power capacity at its Muskie campus, now at 1 GW. The bigger picture is a company in transition, drifting from traditional Bitcoin mining toward high-performance computing and AI data centers — measuring success less in hash rate and more in megawatts and the creditworthiness of its tenants' guarantors.

The cost of borrowing is the real story here. Data center construction devours capital, and on a 20-year horizon, financing terms can make or break project economics. If Google's partial backstop lowers TeraWulf's borrowing costs, the margin on that contracted revenue improves even if the headline lease value doesn't budge. Still, the guarantee covers some of Anthropic's obligations, not all — so the precise scope matters, and delivery risk runs for the next couple of years.