Amazon, Constellation Sign 20-Year PPA to Expand Maryland Nuclear Plant

Amazon, Constellation sign 20-year PPA to expand Maryland nuclear plant

The tech giant and energy producer are backing improvements and renovations at the 1,790-MW Calvert Cliffs Clean Energy Center, the state’s largest source of clean energy.

Amazon, Constellation Back $3 Billion Nuclear Expansion at Maryland’s Calvert Cliffs

Amazon (Nasdaq: AMZN) and Constellation Energy (Nasdaq: CEG) have signed a 20-year power agreement to support the expansion and continued operation of the Calvert Cliffs nuclear power plant in Maryland. […]

Calvert Cliffs to receive uprate in Constellation, Amazon 20-year nuclear power deal

Constellation Energy’s Calvert Cliffs Clean Energy Center in Lusby, Md., will add 190 megawatts to its current capacity under a new power purchase agreement (PPA) between the company and Amazon.  Amazon and Constellation announced this 20-year-long deal on Sept. 30. Constellation said the deal “will enable more than $3 billion in Maryland infrastructure investment, including state-of-the-art improvements across the entire 1,790-megawatt plant.” …

Constellation, Amazon agree nuclear-focused power purchase deal

WNN, Thursday, 1 October 2026 A 20-year power purchase agreement signed by tech giant Amazon will enable Constellation to add 190 MW of capacity and extend the operating life of the Calvert Cliffs nuclear power plant in Maryland in the US. Constellation said that the agreement will allow USD3 billion of investment, with the additional […]