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Constellation Energy Corporation (CEG) is Attracting Investor Attention: Here is What You Should Know

By Mark GrundellYahoo FinanceJanuary 26, 2026 at 2:00 PMBullish1 min read

Microsoft steers energy strategy, targeting 24/7 carbon-free power at data centers

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Microsoft's energy strategy is evolving, with a growing focus on securing reliable, carbon-free power for its expanding data centers, reflecting a broader trend in tech toward sustainable and resilient energy sourcing.

What to watch next

Upcoming regulatory decisions on co-located data centers at nuclear sites will be a key indicator for this trend.

Key Takeaways

  • 1Constellation Energy holds the largest commercial nuclear fleet in the U. S., providing approximately 10% of the nation's carbon-free electricity.
  • 2The 20-year power purchase agreement with Microsoft to restart Three Mile Island marks a fundamental shift in how hyper-scalers secure reliable, 24/7 clean energy.
  • 3CEG's financial performance is increasingly tied to the Inflation Reduction Act's nuclear production tax credits, which provide a floor for revenue and reduce downside commodity risk.
  • 4The stock has outperformed the broader S&P 500 Utilities sector significantly, reflecting a shift in investor sentiment toward treating nuclear power as a critical AI-enabling technology.

Constellation Energy (CEG) has emerged as a focal point for institutional investors, primarily driven by its unique positioning as the largest operator of nuclear power plants in the United States. As the global push for decarbonization intensifies and power demand surges—fueled by the proliferation of AI-driven data centers—CEG’s carbon-free baseload power has become a premium asset. This interest follows the landmark agreement with Microsoft to restart the Three Mile Island Unit 1, renamed the Crane Clean Energy Center, underscoring the shift toward long-term power purchase agreements (PPAs) between big tech and independent power producers. From a market context perspective, CEG is at the forefront of the 'nuclear renaissance,' trading at multiples that reflect its status as an infrastructure-style growth play rather than a traditional defensive utility. Investors should closely monitor upcoming regulatory decisions regarding 'behind-the-meter' co-location at nuclear sites and the potential for federal production tax credits (PTCs) under the Inflation Reduction Act to further bolster internal rates of return (IRR).

Microsoft's recent agreement with Constellation Energy (CEG) to restart Three Mile Island Unit 1, rebranded as the Crane Clean Energy Center, signals a significant shift in corporate energy procurement. This move underscores the tech giant's commitment to sourcing 24/7 carbon-free power for its burgeoning data centers, which are experiencing unprecedented demand driven by artificial intelligence. Such long-term power purchase agreements (PPAs) are becoming a critical component of big tech's infrastructure strategy, ensuring energy security and meeting ambitious decarbonization goals. Constellation Energy, as the largest operator of nuclear power plants in the U.S., is uniquely positioned to capitalize on this trend. Its carbon-free baseload power is increasingly attractive as the global push for decarbonization intensifies. This has led to CEG being viewed more as an infrastructure-style growth play rather than a traditional utility, trading at multiples that reflect its crucial role in the 'nuclear renaissance.' The partnership with Microsoft highlights the growing recognition of nuclear power's indispensability in achieving a clean energy future. For investors, the implications extend beyond CEG. Microsoft's proactive approach to energy sourcing could influence other tech companies, accelerating the demand for reliable, carbon-free energy solutions. Future regulatory decisions regarding 'behind-the-meter' co-location at nuclear facilities and the potential for federal production tax credits under the Inflation Reduction Act will further shape the economics and attractiveness of such partnerships. These factors are crucial for assessing the long-term internal rates of return (IRR) for clean energy projects.

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