• In June 2026, Constellation Energy announced a long-term nuclear power purchase agreement to supply approximately 176 MW of emissions-free electricity from its Dresden Clean Energy Center in Illinois to Walmart, beginning in two 15-year terms from 2029 and 2030 and supported by efficiency uprates that expand the plant’s output.
• This first-of-its-kind nuclear deal for Walmart signals that demand for reliable, carbon-free power is broadening beyond AI data centers to large retail and logistics operations, potentially widening the customer base for Constellation’s nuclear fleet.
• We’ll now examine how Walmart’s long-dated nuclear contract, including uprates at Dresden, could influence Constellation Energy’s investment narrative.

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Constellation Energy Investment Narrative Recap

To own Constellation Energy, you need to believe its large nuclear fleet can keep attracting long-term, premium-priced contracts for reliable, carbon-free power. In that context, Walmart’s 30-year Dresden deal reinforces the core demand story, but it does not materially change near term focus on how Constellation manages regulatory costs, aging-asset capex, and grid bottlenecks that still hang over the investment case.

The Walmart agreement also fits alongside Constellation’s recent progress with hyperscalers and data centers, which many investors see as the primary demand catalyst. Taken together, these long-dated contracts with both tech and retail customers highlight how the company is trying to diversify beyond a few large AI customers, even as the concentration and regulatory risks around a nuclear heavy portfolio remain front of mind.

Yet beneath these long contracts and clean energy headlines, investors should still pay close attention to rising nuclear compliance and decommissioning costs that could...

Constellation Energy's narrative projects $35.1 billion revenue and $5.8 billion earnings by 2029. This requires 11.2% yearly revenue growth and an earnings increase of about $3.5 billion from $2.3 billion today.

Uncover how Constellation Energy's forecasts yield a $370.58 fair value, a 38% upside to its current price.

Exploring Other Perspectives

Some of the lowest ranked analysts were assuming revenue could fall roughly 5.6% a year to about US$25.1 billion by 2029, so if you buy into that more cautious view, Walmart’s nuclear deal might eventually soften rather than overturn their concerns about nuclear competitiveness and long term cost pressures.

Explore 8 other fair value estimates on Constellation Energy - why the stock might be worth just $292.78!

Decide For Yourself

Don't just follow the ticker - dig into the data and build a conviction that's truly your own.

• A great starting point for your Constellation Energy research is our analysis highlighting 4 key rewards and 2 important warning signs that could impact your investment decision.
• Our free Constellation Energy research report provides a comprehensive fundamental analysis summarized in a single visual - the Snowflake - making it easy to evaluate Constellation Energy's overall financial health at a glance.

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.