Finance

Anthropic Signs 20-Year Lease With TeraWulf for 400MW Kentucky Data Center

Anthropic has signed a 20-year lease to use a TeraWulf data center about an hour southwest of Louisville, Kentucky, tapping roughly 400 megawatts of capacity with first power expected in the second half of 2027, according to a CNBC report based on anonymous sources. The deal — reported to be worth about $19 billion over the initial term — pushed TeraWulf shares up more than 16% in premarket trading and highlights investor appetite for AI compute exposure, though key details remain unconfirmed.

Anthropic Signs 20-Year Lease With TeraWulf for 400MW Kentucky Data Center

Key Takeaways

  • Anthropic signed a 20-year lease for roughly 400 megawatts of capacity at a TeraWulf data center near Louisville, Kentucky.
  • First power delivery is expected in the second half of 2027, per the report.
  • The lease was reported to generate about $19 billion over 20 years, a figure that has not been independently verified.
  • TeraWulf shares rose over 16% in premarket trading and are up more than 80% year-to-date on renewed investor interest.

People Involved

  • No specific individuals mentioned

Entities Involved

  • Anthropic AI developer and tenant
  • TeraWulf (WULF) Data-center owner/operator and former crypto miner; landlord in the lease

MarketMoodz Analysis

For investors, a long-term anchor lease with an AI company like Anthropic would materially reshape TeraWulf's revenue profile if the reported terms hold: a 20-year contract backing up to 400 MW could provide predictable, recurring revenue and reduce exposure to the boom-bust crypto cycle that defined much of TeraWulf's earlier business. The market reacted as if that narrative is real — shares jumped more than 16% premarket and are up roughly 80% YTD — but the reported ~$19 billion headline needs scrutiny because it implies nearly $950 million in average annual revenue and would rank among the largest single-tenant deals in the sector.

This deal, if confirmed, fits a broader industry pattern: miners, independent power producers and smaller infrastructure firms are converting excess power and grid connections into hyperscale or AI-focused data centers to capture rising demand for compute. That transition requires heavy upfront capex, reliable long-term power contracts, and favorable permitting — all factors that influence margins and execution risk. Energy costs and grid availability in Kentucky will matter: long-term profitability depends on negotiated power pricing and TeraWulf's ability to deliver capacity on schedule.

What to watch next: official confirmations from Anthropic or TeraWulf with lease documents and revenue recognition details; clarity on the $19 billion figure and its breakdown; progress on construction, permits and contracts for power supply ahead of the second-half-2027 power target; and quarterly disclosures showing how much of TeraWulf's pipeline has shifted from mining to AI hosting. Investors should weigh the potential revenue stability against continued capex needs, energy-price exposure, and the risk that reported terms may change on contract close.

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This article is for informational purposes only and is not investment, financial, tax, or legal advice. Ratings and research outputs can be wrong, incomplete, or stale. Past performance does not guarantee future results. Always do your own research and consider consulting a qualified professional.