Google and Constellation Signed Nuclear Power Deal

The two companies reached a 20-year agreement to boost clean energy capacity for the PJM power grid.

Updated on Oct. 6, 2026 in Data Centers

Isometric editorial illustration of electrical transmission towers in a stylized landscape, representing large-scale power infrastructure. — Google and Constellation Energy have signed a 20-year agreement to supply 890 megawatts of nuclear power to the PJM electrical grid. AI Illustration. Upload story photo >

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Google and Constellation Energy have signed a 20-year power purchase agreement for 890 megawatts of nuclear capacity. The companies also established a 15-year supply agreement to add 2,700 megawatts of additional capacity to the PJM power grid.

Why it matters

The deal aims to meet the surging electricity demand from data centers by increasing the efficiency of existing nuclear units. Constellation will invest over $4.3 billion to expand operations across Illinois, Pennsylvania, and New Jersey.

The deal encompasses 11 nuclear units and utilizes AI-driven technology to optimize asset dispatch. The project is expected to sustain 4,400 existing jobs and create 7,200 new construction positions.

The players

Google

A global technology company that is investing in nuclear energy to power its expanding data center infrastructure.

Constellation Energy

The nation's largest producer of carbon-free energy and an operator of multiple nuclear power plants.

The details

Constellation also entered into a five-year technology alliance with Google Cloud and Gemini Enterprise. This partnership leverages an AI-driven blueprint to accelerate the delivery of nuclear capacity and improve electrical efficiency at existing sites.

The agreements were formally announced on Tuesday, October 6, 2026.

The Tech Race

This deal marks a significant shift in how big tech companies secure reliable, carbon-free baseload power to maintain their massive data centers. It mirrors the broader race to integrate legacy nuclear infrastructure with modern AI-driven grid management systems.

The deal ensures consistent power availability for cloud services that users rely on daily, potentially stabilizing energy supply within the PJM grid. Consumers may benefit from improved reliability as the integration of AI-driven efficiency helps manage overall energy demand.

The takeaway

Large-scale private investment into nuclear energy is becoming a primary strategy for tech firms to meet their sustainability goals while scaling data capacity. Readers can anticipate further reliance on public-private partnerships as major energy providers upgrade aging grid infrastructure.