StocksMediumUpdated×4•Originally published 30 September 2026•Updated 1 October 2026•
1 min read
Amazon Partners with Constellation Energy to Expand Maryland Nuclear Power
Key Facts
1Amazon will help expand power generation at Constellation Energy's Calvert Cliffs plant.
2The parties are exploring adding new reactors at the site following a previously scrapped data center deal.
Amazon signed a 20-year power purchase agreement with Constellation Energy to expand nuclear power generation at the Calvert Cliffs plant in Maryland. A Goldman Sachs report revealed that the total capacity of the deal is 690 MW, providing the certainty needed to pursue a 20-year license extension for the facility.
The partnership aims to secure long-term carbon-free energy for Amazon's data centers and supports $3 billion in infrastructure investment. AMZN was trading at $251.40 on September 30, 2026, while CEG closed at $264.58 on September 29, 2026.