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Cipher Mining Inks $5.5 Billion, 15-Year AWS Lease to Provide 300 MW of AI Capacity

The agreement signals a pivot toward hyperscaler AI infrastructure, drawing a roughly 20% premarket rally.

Overview

  • Cipher will begin delivering capacity in July 2026 with full deployment by late 2026, and rent is scheduled to start in August 2026.
  • Shares rose about 19%–20% in premarket trading following the announcement, according to market data cited in reports.
  • The AWS lease brings Cipher’s reported AI-hosting commitments to roughly $8.5 billion, including a previously announced $3 billion Fluidstack/Google deal.
  • Cipher says it has taken majority control of a joint venture to build the 1-gigawatt Colchis site in West Texas, a 620‑acre project with an American Electric Power Direct Connect targeted for 2028.
  • The company reported $72 million in third-quarter revenue and said it achieved adjusted earnings.