StocksMediumUpdated•Originally published 30 September 2026•Updated 30 September 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. The deal will add 190 megawatts of nuclear capacity and support $3 billion in infrastructure investment.
The partnership aims to secure long-term carbon-free energy for Amazon's data centers, with The Wall Street Journal reporting that the parties are exploring new reactors at the site. AMZN was trading at $251.40 on September 30, 2026, while CEG closed at $264.58 on September 29, 2026.