Amazon signs a 20-year deal to buy power from Constellation Energy, including boosting capacity at its Maryland nuclear plant, supporting $3B+ in investments

Your cloud computing costs may decrease as Amazon offsets its energy expenses.

Amazon has signed a 20-year agreement with Constellation Energy to purchase 690 megawatts of carbon-free power. This deal will support over $3 billion in new energy investments by Constellation, including expanding the capacity of its Calvert Cliffs nuclear power plant in Maryland. The power generated will help Amazon meet its commitment to operate on 100% renewable energy by 2025. The agreement is one of the largest renewable energy deals ever signed and is expected to ensure the continued operation of the nuclear facility, which provides carbon-free baseload power. This marks a significant step for Amazon in securing long-term, large-scale clean energy procurement.

This substantial, long-term power purchase agreement underscores the growing demand for reliable, carbon-free energy sources to power large-scale data centers and cloud infrastructure. Amazon's commitment to Constellation's nuclear expansion signals a strategic reliance on baseload nuclear power as a critical component of its renewable energy strategy, complementing intermittent sources like solar and wind. The scale of the investment and the duration of the contract suggest a maturing market where significant capital is being deployed to ensure sustained clean energy supply for major technology players.

The deal's implications extend to the broader energy market, potentially incentivizing further investment in existing nuclear facilities and the development of new clean energy projects. For other large tech companies, this sets a precedent for the types of comprehensive, long-term renewable energy solutions they may need to pursue to meet their own ambitious climate goals. Constellation Energy's ability to secure such a significant commitment highlights the financial viability of nuclear power when paired with corporate demand for stable, emission-free electricity.