Constellation and Amazon: Calvert Cliffs PPA (Maryland)
Constellation and Amazon signed a 20-year, 690 MW power purchase agreement for the Calvert Cliffs nuclear plant.
- Owner
- Amazon
- Partners
- Constellation Energy
- Location
- Calvert Cliffs, Lusby, Maryland
- Announced capacity
- 690 MW
- Capacity as announced
- 690 MW incl. about 190 MW uprate online 2030–2032
- Status
- Contracted
- Timeline
- 20-year PPA; uprate capacity online 2030–2032
- Announced
On September 30, 2026, Constellation and Amazon announced a 20-year power purchase agreement for 690 MW from the Calvert Cliffs nuclear plant in Lusby, Maryland. The total includes about 190 MW of new capacity from uprates expected online between 2030 and 2032. Constellation said the agreement enables more than $3 billion of infrastructure investment in Maryland.
A related retail supply agreement supports Amazon operations in the 13-state PJM market, and the deal supports relicensing the plant for another 20 years. Our news report has the details.
- Country
- United States
- Project type
- Power deal
- Announcement
- constellationenergy.com
- Checked
Questions
How much power is Amazon buying from Calvert Cliffs?
How long is the Constellation and Amazon Calvert Cliffs deal?
When will the Calvert Cliffs uprates come online?
How much investment does the Calvert Cliffs deal bring to Maryland?
Sources:
Source
Every value comes from the company’s own announcement, investor release or newsroom post, linked on each project with the date it was last checked. How we pick and check sources: editorial standards.