Google Secured 3,590 Megawatts of Nuclear Power

The 20-year agreement with Constellation Energy aims to address surging electricity demand across the PJM power grid.

Updated on Oct. 6, 2026 in Data Centers

Bold flat-color editorial illustration of industrial power components, representing the scale of large-scale energy infrastructure integration. — Google has secured agreements with Constellation Energy to acquire 3,590 megawatts of nuclear power capacity over the next two decades. AI Illustration. Upload story photo >

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Google has entered into two major energy agreements with Constellation Energy to acquire 3,590 megawatts of nuclear capacity over the next two decades. The arrangement, which includes a 20-year power purchase agreement for 890 megawatts and a 15-year supply deal for 2,700 megawatts, will span 11 nuclear units across Illinois, Pennsylvania, and New Jersey.

Why it matters

The deal signals an effort by hyperscale cloud providers to secure massive, baseload carbon-free energy as AI-driven compute demands strain regional power markets. By upgrading existing infrastructure, the companies aim to bypass the lengthy lead times typically associated with commissioning new power generation facilities.

Constellation is investing over $4.3 billion to boost thermal and electrical efficiency across 11 existing nuclear units. The project is supported by a five-year technology alliance where Google Cloud and Gemini Enterprise provide an AI-driven blueprint to optimize asset dispatch.

The players

Google

A global technology company operating a massive distributed cloud infrastructure and AI model training stacks.

Constellation Energy

The largest producer of carbon-free energy in the United States, operating a diverse fleet of nuclear, solar, and wind assets.

The details

The expansion relies on technical retrofits designed to extract additional power output from current nuclear reactors without building new sites. To accelerate these capacity gains, Google will deploy its AI tools to model and refine the physical operation of the reactor fleet. This includes an AI-driven blueprint aimed at increasing the throughput of existing steam systems to drive turbines more efficiently, thereby increasing the electrical yield from the current infrastructure.

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

The Tech Race

This deal places Google in direct competition with other hyperscalers currently securing long-term nuclear commitments to power massive data center footprints. It underscores a shift from purchasing renewable energy credits to directly underwriting the mechanical optimization of industrial-scale nuclear power.

The increased power capacity is intended to support the electrical demands of Google’s data centers in the PJM region, potentially stabilizing regional compute availability. The project also sustains 4,400 existing positions and adds 7,200 new construction jobs across the affected states.

The takeaway

The partnership highlights how AI model optimization is being applied to traditional energy sector industrial processes to unlock stranded grid capacity. Readers should watch for updates on the specific 11 reactor sites as individual units complete their efficiency upgrades.