Google and Constellation Energy sign 3,590‑MW power purchase agreements

Google and Constellation Energy have entered into power purchase agreements for a total of 3,590 megawatts. The deal includes a 20‑year contract for 890 megawatts from upgraded nuclear plants and a 15‑year contract for 2,700 megawatts from Constellation’s existing generation in the PJM grid. Constellation will invest $4.3 billion in upgrades and electricity delivery is slated to begin in 2028. The announcement lifted Constellation’s share price by 12.2% to $300.40.

Constellation’s shares rose 12.2% to $300.40 after the announcement, giving the company immediate market benefit. The long‑term contracts provide Google with secured power for its data centers and give Constellation revenue certainty for its operating plants.

  • 1The agreements total 3,590 megawatts of power.
  • 2Google will purchase 890 megawatts from Constellation’s nuclear reactors under a 20‑year contract.
  • 3Google will purchase an additional 2,700 megawatts from Constellation’s PJM‑grid generation under a 15‑year contract.
  • 4Constellation will invest more than $4.3 billion in upgrades to its fleet.
  • 5Electricity from the first upgraded nuclear plant is expected to be delivered in 2028.
  • 6Constellation’s shares rose 12.2% to $300.40 at the end of trading Tuesday.

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