Google enters massive 3.6-GW power deal with Constellation Energy


FILE PHOTO: The Google logo is displayed during a press conference in Berlin, Germany, November 11, 2025. REUTERS/Lisi Niesner/File Photo

NEW YORK, Oct 6 (Reuters) - ⁠Google has contracted for 3,590 megawatts of power from Constellation Energy in the US' ⁠largest power grid, with new nuclear energy accounting for about a quarter of ‌that supply,the companies said on Tuesday.

The deal will enable more than $4.3 billion of new investment by Constellation and involves adding capacity at several of the power company's nuclear reactors in the Midwest and Mid-Atlantic regions, the companies said.

Major tech ​companies are racing to secure massive amounts of electricity supplies ⁠to power data centers across theUS ⁠by striking unprecedented deals with the country's power companies.

Over the last two years, Constellation unveiled an ⁠agreement ‌to restart its Three Mile Island reactor in Pennsylvania to serve Microsoft data centers, while Google contracted to restart NextEra Energy's nuclear power plant in Iowa.

In the latest ⁠arrangement, Google entered into a 20-year power purchase agreement for 890 ​megawatts of electricity from multiple ‌Constellation-owned nuclear power plants, which would be upgraded to produce more electricity from existing ⁠reactors.

Electricity from the ​first of the upgraded plants is expected to be delivered in 2028, the companies said.

Google also entered into a long-term supply agreement for an additional 2,700 megawatts of power from Constellation in PJM. That power ⁠is not tied to a specific generation source and ​serves as long-term revenue certainty for Constellation's operating plants, Google said.

Maryland-based Constellation is the largest US nuclear power plant operator and owns a major fleet of natural-gas-fired power plants.

"We’re committed to meeting our growth ⁠responsibly by actively investing in clean, reliable power that brings new capacity to our nation's grids," said Amanda Peterson Corio, Google's global head of energy and power, in a statement.

The 11 nuclear units expected to be upgraded as part of the arrangement with Google are in Illinois, Pennsylvania, ​and New Jersey, within the footprint of the largest US ⁠electric grid - PJM Interconnection.

PJM management has proposed requiring data center customers connected to the 13-state grid to ​either bring their own power or face being shut off ‌from grid power remotely in times of peak ​demand.

The deal between Google and Constellation is in response to PJM's "bring your own power" proposal, the companies said.

(Reporting by Laila Kearney in New York; Editing by Thomas Derpinghaus)

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