Google Locks $1B+ Nuclear Deal with Constellation as AI Data Centers Drive Power Demand

Google Secures Massive Nuclear Capacity in 20-Year Deal

Alphabet Inc.'s Google has finalized a 20-year power purchase agreement with Constellation Energy Corp. covering 3.59 gigawatts of electricity, including 890 megawatts of additional nuclear capacity and 2.7 gigawatts from Constellation's existing PJM fleet5

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. The Google Constellation deal is expected to support more than $4.3 billion of investment across 11 nuclear units in Illinois, Pennsylvania, and New Jersey, with the first incremental capacity anticipated online in 20282

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. Reports suggest Google is nearing an additional multi-year agreement valued at $1 billion or more with Constellation, potentially announced this week1

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The agreement addresses the surging electricity demands of AI infrastructure. Google's electricity consumption soared from 12.8 terawatt-hours in 2019 to 44 terawatt-hours in 2025, with over 95 percent going directly to AI data centers1

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. Nuclear energy provides carbon-free baseload power that operates around the clock, unlike solar and wind which depend on weather conditions1

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Big Tech's Nuclear Energy Plans Accelerate Across Industry

The Google Constellation deal follows a pattern of big tech's nuclear energy plans across the sector. Amazon recently signed a 20-year power purchase agreement with Constellation to secure 690 megawatts from Maryland's Calvert Cliffs plant, supporting over $3 billion in infrastructure investment3

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. Microsoft backed the restart of Pennsylvania's Three Mile Island plant, while Google previously partnered with NextEra Energy to reopen Iowa's Duane Arnold reactor and invested in upgrades at two Southern Co. nuclear sites1

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Constellation CEO Joe Dominguez emphasized the company was "strengthening the nation's energy infrastructure" while meeting growing AI power demand2

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. The company raised its 2026 adjusted operating earnings guidance to $11.50-$12.50 per share and reported signing another 920 megawatts of long-term power purchase agreements2

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. Constellation shares jumped nearly 6 percent in premarket trading following the Google announcement, leading the S&P 500 with gains of 13.76 percent to $304.445

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AI Data Centers Create Infrastructure Bottleneck

The AI boom drives power demand that increasingly strains existing infrastructure. AI data centers can be built faster than new generation and transmission capacity can be added, making reliable existing power assets more valuable to hyperscalers2

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. Building brand-new nuclear reactors remains a slow process, leaving tech companies with little choice but to maximize capacity from existing infrastructure1

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The additional 890 megawatts unlocked through the project equals the output of several small modular reactors or one large conventional reactor5

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. Upgrades to turbines, steam generators, and digital control systems can deliver major capacity gains without the multiyear delays associated with building new facilities5

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. The project directly supports the federal UPRISE program, which encourages public-private partnerships to maximize decarbonized electricity generation from existing US nuclear infrastructure5

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Decarbonization Goals Face Reality Check

Alphabet Inc. set an ambitious goal to reach net-zero carbon emissions across all operations by 2030, but its latest environmental report highlights an 81 percent surge in greenhouse gas emissions compared to the 2019 baseline1

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. Driven by rapid AI growth over the past five years, the company secured over 12 gigawatts of net-new clean energy in 2025 alone1

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. The long-term strategy focuses on advancing next-generation clean energy sources such as nuclear energy and enhanced geothermal, alongside strategic investments in commercial fusion power1

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Amanda Peterson Corio, Google's global head of energy, stated the agreement will "fund power uprates at nuclear reactors" to strengthen the PJM grid serving 67 million people while preserving electricity prices and supporting local union jobs5

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. The agreement complies with the White House Ratepayer Protection Pledge, adding new capacity to the grid without increasing household electricity bills5

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Technology Partnership Extends Beyond Electricity

The agreement includes a key technology alliance focused on data and artificial intelligence. Constellation Energy chose Google Cloud and Gemini Enterprise under a five-year agreement5

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. The goal is using artificial intelligence to accelerate capacity deployment, optimize energy distribution, reduce the cost of future infrastructure, and secure the power grid5

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. The two companies established a framework for evaluating future projects in clean energy, storage, and demand management across the US5

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To optimize grid connection timelines, grid software unicorn Emerald AI formed the AI Energy Management Alliance with Google and Nvidia1

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. The coalition uses Emerald AI's technology to enable demand response mechanisms that temporarily reduce or shift data center power usage during peak grid stress1

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. The coalition estimates that pausing noncritical tasks and adjusting compute loads could free up capacity for an additional 100 gigawatts of data center infrastructure to connect to the power grid1

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Investment Implications and Economic Impact

Constellation will invest more than $4.3 billion, preserving approximately 4,400 jobs and creating nearly 7,200 additional construction jobs across six nuclear sites5

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. Billionaire investor Philippe Laffont's Coatue Management LLC reported owning 4.63 million Constellation shares worth about $1.15 billion at June 30, representing about 2.37 percent of Coatue's reported portfolio2

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. Coatue also held sizable positions in Alphabet Inc., Amazon, GE Vernova Inc., Eaton Corp, and other companies tied to AI infrastructure and rising electricity demand2

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Constellation shares entered Tuesday still down 26.93 percent year-to-date, despite a 35.15 percent discount to their 52-week high2

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. Analysts at Wedbush noted this commitment gives Constellation financial visibility to extend operating licenses of its reactors by 20 years, as they were initially scheduled to be retired in 2034 and 20365

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. For investors, the question is whether these long-term hyperscaler contracts can turn Constellation's nuclear advantage into the earnings growth the market has been waiting for2

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