signed
Amazon–Constellation 20-year, 690 MW Calvert Cliffs nuclear PPA
Amazon signed a 20-year, 690 MW PPA plus a retail supply agreement in PJM, supporting over $3 billion of investment at Calvert Cliffs in Maryland, including a 190 MW uprate due 2030–2032.
- Value
- n/d
- Capacity
- PPA
- Term
- 20yrs
- Accelerators
- n/d
What the value means
Contract value not disclosed; $3 billion+ is Constellation's investment. Plant: Calvert Cliffs (~1,790 MW); 690 MW contracted including the 190 MW uprate. Constellation dates it 'September 2026'; trade press reported it in early October.
The record
Verified 9 Nov 2026- Announced
- Buyer
- Amazon
- Seller / provider
- Constellation Energy
- ValueHeadline dollar value exactly as stated in the cited source.
- Not disclosed
- Capacity
- Power purchase: plant size in the note above
- Accelerators
- Not disclosed
- Chips
- Not named
- Term
- 20 years
- StatusBinding agreement disclosed
- signed
- Other parties
- None named
- Deal type
- power, nuclear, sec-filing
Sources
2- Constellation Q3 2026 earnings release, 8-K (SEC) read 2026-11-09
- MD: Constellation, Amazon Announce 20-Year Power Agreement (Trade & Industry Development) read 2026-11-09
Cite this deal
AI Compute Deals, “Amazon–Constellation 20-year, 690 MW Calvert Cliffs nuclear PPA”, https://aicomputedeals.com/amazon-constellation-calvert-cliffs-2026-09/ (verified 2026-11-09).
Data under CC BY 4.0. Download the full ledger.
Every deal for Amazon and Constellation Energy.