×

Constellation, Amazon sign 20-year power deal to support Maryland nuclear plant

By Thomson Reuters Sep 30, 2026 | 4:24 PM

Sept 30 (Reuters) – Constellation Energy and Amazon.com on Wednesday announced a 20-year power purchase agreement that will support ​the expansion of the Calvert Cliffs ‌nuclear plant in Maryland.

Demand for nuclear energy is increasing as technology companies seek dependable sources of power for AI-driven computing infrastructure.

Here are ‌some ​more details:

• The agreement ⁠will enable more than $3 ⁠billion in Maryland infrastructure investment, including about 190 megawatts of new emissions-free generating capacity coming online between 2030 and ​2032.

• The deal includes 690 MW of power from Constellation’s 1,790 MW ⁠Calvert Cliffs nuclear plant.

• ⁠The companies also entered into ​a retail supply agreement to support Amazon’s operations ​in the 13-state PJM power market, ‌they said in a statement.

• Amazon’s long-term commitment is expected to support Constellation’s efforts to renew Calvert Cliffs’ operating license ⁠for another 20 years.

• The agreement could also support the development of advanced nuclear and ⁠other clean-energy ‌projects at the site.

• Calvert ⁠Cliffs is Maryland’s only nuclear ​power ‌plant and produces about 80% ​of the ⁠state’s clean energy, generating enough electricity to power the equivalent of more than 1.3 million homes, according to the statement.

(Reporting by Varun Sahay in Bengaluru; Editing by ​Shilpi Majumdar)