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NuScale Power (SMR) Stock Looks Cheap On Book Value But Weak On Broader Checks
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NuScale Power stock has had a very tough year, with the share price sharply lower while some valuation checks still flag the business as potentially cheap on certain market multiples. For anyone looking at nuclear related plays, the puzzle is that NuScale screens statistically undervalued on those multiples even though its broader value score is very weak.

  • Over the past 12 months, NuScale Power has fallen about 71%, which signals that expectations around its small modular reactor rollout have been reset in a big way.
  • Progress on supply chain readiness, safety grade components and potential projects such as Romanian deployment and U.S. port applications can support the investment case, but the absence of binding module orders and execution risk on first projects may keep a heavy discount in place.
  • With a low value score of 2 out of 6, NuScale Power does not screen as a clear bargain once the broader set of valuation checks is taken into account.

The issue now is whether the current market discount on NuScale Power fairly reflects those project and execution risks or has swung too far compared with the company’s nuclear power ambitions.

Score other nuclear power opportunities against NuScale Power by scanning the hand-picked 91 nuclear energy infrastructure stocks that line up capital, projects, and balance sheets in very different ways.

Is NuScale Power a Bargain on Book Value?

P/B is a useful lens for NuScale Power because you are effectively paying for engineering assets, intellectual property, and cash on the balance sheet rather than current profits. On this measure, the stock trades on a P/B of about 2.0x, which is below the Electrical industry average of roughly 2.5x and far under the peer group reference of 9.6x. That gap indicates the market is not assigning a premium price to NuScale’s equity base despite its nuclear focus.

Recent milestones on safety grade components and small modular reactor projects have kept the company in the headlines, yet the valuation on book value remains restrained compared with peers. This discount likely reflects the lack of binding module orders and continued losses, but it also means investors are not paying peer level multiples for each dollar of net assets.

On the P/B multiple, NuScale Power stock appears undervalued compared with both its industry and peer benchmarks.

NYSE:SMR P/B Ratio as at Sep 2026
NYSE:SMR P/B Ratio as at Sep 2026

See what the numbers say about this price — find out in our valuation breakdown.

The NuScale Power Narrative: What Would Justify Today's Price?

Simply Wall St Narratives pick up where the NuScale Power valuation puzzle leaves off and clarify what path for future growth, margins, and earnings would need to materialise for the current price to look high or low. Instead of a single ratio or fair value number, these scenarios describe the future those figures rely on so you can watch how NuScale Power's actual progress lines up over time. They sit on Simply Wall St's Community page and anchor the discussion in clear, testable assumptions rather than vague optimism or pessimism.

Community views on NuScale Power pull in opposite directions, with one camp focused on regulatory and project progress while the other fixates on funding strain and execution risk.

Bull case: 19% undervalued

"Certain bullish analysts argue that first mover regulatory approval from the U.S. Nuclear Regulatory Commission and the use of conventional low enriched uranium give NuScale Power an early credibility edge over peers..."

Read the full Bull Case to see why NuScale Power could be undervalued

Bear case: 1160% overvalued

"The ENTRA1 controversy and the resulting fraud lawsuits are serious; it raises questions about whether management can actually execute the commercial side as well as they did the engineering side..."

Read the full Bear Case to see why NuScale Power could be overvalued

Do you think there's more to the story for NuScale Power? Head over to our Community to see what others are saying!

The Bottom Line

NuScale Power screens as undervalued on simple market multiples, yet the broader valuation checks remain weak, which keeps the picture mixed. The key question is whether that discount reflects excessive pessimism or a sensible margin of safety around funding, project timing, and execution risks. For anyone weighing NuScale Power today, the real hinge is whether meaningful, binding commercial projects start to land and prove the small modular reactor model at scale. If that proof keeps slipping, the current markdown could look less like an opportunity and more like the market correctly pricing the risk that the story stays stuck in development mode.

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.

Disclaimer:This article represents the opinion of the author only. It does not represent the opinion of Webull, nor should it be viewed as an indication that Webull either agrees with or confirms the truthfulness or accuracy of the information. It should not be considered as investment advice from Webull or anyone else, nor should it be used as the basis of any investment decision.
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