Amazon locks in nuclear power for 20 years as energy demand surges
Amazon and Constellation Energy signed a 20-year power purchase agreement to supply 690 megawatts of nuclear electricity from the Calvert Cliffs plant in Maryland. The deal responds to surging electricity demand driven by artificial intelligence compute requirements and technology sector expansion. The multi-decade pact supports a large upgrade and infrastructure investment at the nuclear facility, which serves as Maryland's only nuclear power plant. Technology companies are increasingly securing direct zero-carbon energy sources to power expanding data center operations amidst broader grid capacity constraints.
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- ✓ Amazon signed a 20-year power purchase agreement with Constellation Energy to secure 690 megawatts of nuclear power from the Calvert Cliffs plant in Maryland.
- ✓ The 20-year agreement supports a large upgrade and infrastructure investment at the Calvert Cliffs Clean Energy Center.
- ✓ Calvert Cliffs is a 1,790-megawatt nuclear facility and serves as Maryland's only nuclear power plant.
What changed
Amazon and Constellation Energy finalized a 20-year power purchase agreement for 690 megawatts of nuclear generation capacity at the Calvert Cliffs plant in Maryland.
Live updates
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Amazon Secures 20-Year Nuclear Power Agreement With Constellation
Amazon and Constellation Energy signed a 20-year power purchase agreement to supply 690 megawatts of nuclear electricity from the Calvert Cliffs plant in Maryland. The deal responds to surging electricity demand driven by artificial intelligence compute requirements and technology sector expansion. The multi-decade pact supports a large upgrade and infrastructure investment at the nuclear facility, which serves as Maryland's only nuclear power plant. Technology companies are increasingly securing direct zero-carbon energy sources to power expanding data center operations amidst broader grid capacity constraints.
Why it matters
Surging artificial intelligence compute demand is forcing major technology firms to bypass traditional grid procurement methods and secure dedicated carbon-free power directly from nuclear generators. This agreement follows an earlier data center deal attempt in Maryland by Amazon. The arrangement provides long-term revenue certainty for nuclear plant operators while guaranteeing dedicated electricity supplies for energy-intensive computing infrastructure.
What is confirmed
- Amazon signed a 20-year power purchase agreement with Constellation Energy to secure 690 megawatts of nuclear power from the Calvert Cliffs plant in Maryland.
- The 20-year agreement supports a large upgrade and infrastructure investment at the Calvert Cliffs Clean Energy Center.
- Calvert Cliffs is a 1,790-megawatt nuclear facility and serves as Maryland's only nuclear power plant.
What to watch next
- Progress on the planned large upgrade at the Calvert Cliffs nuclear facility
- Additional direct energy procurement deals between major technology companies and nuclear operators
- Regulatory or grid operator responses to dedicated data center power arrangements
confidence 100%Sources used for this update (13)
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- constellationenergy.com — Constellation and Amazon Announce 20-Year Power Purchase Agreement Adding 190 Megawatts of Nuclear Capacity at Calvert Cliffs
- Fox Business — Amazon locks in nuclear power for 20 years as energy demand surges
- Maryland Matters — Large upgrade planned at Calvert Cliffs after power deal signed with Amazon
- wsj.com — Amazon Tries to Boost Nuclear Power in Maryland After Scrapping Data Center Deal
- Bloomberg.com — Amazon Nuke Deal to Help Expand Constellation Maryland Site
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