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    Constellation Energy (CEG) Lifted Guidance And Secured New Deals, Is It Still Undervalued?

    Simply Wall St·08/10/2026 06:28:11
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    Constellation Energy (CEG) has become a focus for investors after it raised full year adjusted operating earnings guidance and outlined new long term power purchase agreements, alongside regulatory progress on the Crane Clean Energy Center restart.

    See our latest analysis for Constellation Energy.

    Constellation Energy’s latest guidance increase and long term contracts come after a mixed year for investors, with the share price down 26.31% year to date but supported by a three year total shareholder return of 156.74%. This suggests longer term momentum remains stronger than recent trading.

    If you are looking beyond Constellation Energy and want to see how other companies tied to the power transition are shaping up, take a look at our 37 power grid technology and infrastructure stocks

    Constellation Energy’s share price slide this year sits against rising earnings guidance, fresh long term contracts and progress on Crane. Is this move mostly sentiment, or does it point to a valuation that now looks different?

    Most Popular Narrative: 23.5% Undervalued

    Against Constellation Energy’s last close at $269.89, the most followed narrative points to a fair value of $352.91, framing the current pullback as a discount in that model.

    Strategic investments and progress in nuclear plant restarts (Crane Clean Energy Center), upgrades (900MW in engineering), and selective M&A (Calpine acquisition) provide visible avenues for substantial capacity additions and operational synergies, enhancing EBITDA and free cash flow over the medium to long term.

    Read the complete narrative. Read the complete narrative.

    Want to understand why this narrative assigns such a premium to Constellation Energy’s earnings power? The story leans heavily on rising margins, faster top line growth and a richer future earnings multiple than the sector normally commands. Curious which assumptions really move that $352.91 fair value.

    Result: Fair Value of $352.91 (UNDERVALUED)

    Have a read of the narrative in full and understand what's behind the forecasts.

    However, Constellation Energy’s reliance on large nuclear assets and long term data center contracts means that shifting regulation or customer demand could quickly challenge the current undervaluation story.

    Find out about the key risks to this Constellation Energy narrative.

    Next Steps

    Given the mix of optimism and caution around Constellation Energy, it may be useful to act promptly and evaluate the narrative against the underlying data yourself. To see both sides laid out clearly, review the 4 key rewards and 2 important warning signs

    Looking for more investment ideas beyond Constellation Energy?

    If you want to keep building on the work you have done with Constellation Energy, do not stop here. Broaden your watchlist with other clear, data driven ideas using the Simply Wall St screener.

    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.