Alphabet signs $4.3 billion, 20‑year nuclear power deal with Constellation Energy
Alphabet (Google) announced a 20‑year power purchase agreement with Constellation Energy to buy 890 MW of new nuclear capacity and an additional 2,700 MW from existing plants. The deal includes $4.3 billion of investment by Constellation to upgrade 11 reactors, with the first phase expected to start in 2028. The agreement locks in roughly 3.59 GW of electricity for Alphabet’s AI‑driven data centers and addresses upcoming grid‑rule requirements for hyperscalers.
Why it matters
Constellation expects the contract to provide locked‑in revenue from its existing fleet, as noted by the company’s SEC filing. Alphabet secures reliable, carbon‑free power for its expanding data‑center footprint, which supports its AI growth strategy.
Key facts
- 1Alphabet signed a 20‑year power purchase agreement with Constellation Energy on Oct. 6, 2026. finance.yahoo.com
- 2The deal covers 890 MW of new nuclear output from upgrades to 11 existing reactors. finance.yahoo.com
- 3Constellation will invest more than $4.3 billion in the reactor upgrades. finance.yahoo.com
- 4Alphabet also secured a separate long‑term supply of 2,700 MW from Constellation’s existing plants. finance.yahoo.com
- 5The total package amounts to 3,590 MW of power for Alphabet. finance.yahoo.com
- 6Constellation shares rose 12.2% after the announcement. finance.yahoo.com
Summary written by AlphAI from 3 of 17 sources. Not investment advice. Figures are as stated by the linked sources.