Generac Holdings (GNRC) is back in focus after acquiring a new manufacturing facility in Sussex, Wisconsin, aimed at expanding production of commercial and industrial backup power products, including large megawatt generators.

Those capacity investments come as momentum in Generac’s share price has picked up recently, with a 7 day share price return of 5.28% and a 30 day share price return of 15.77%, even though the 1 year total shareholder return is roughly flat and the 5 year total shareholder return reflects a 42.06% decline.

If you are looking beyond Generac for other equipment makers tied to large infrastructure and power needs, it may be worth scanning aerospace and defense stocks as a way to spot comparable industrial names.

With shares up over the past month but still carrying an indicated intrinsic discount and room to the average analyst price target, you have to ask: Is Generac still undervalued, or is the market already pricing in its future growth?

Most Popular Narrative: 23.3% Undervalued

Against Generac Holdings' last close of US$160.85, the most followed narrative points to a fair value near US$209.59, suggesting a meaningful valuation gap that rests on specific growth, margin, and cash flow assumptions rather than short term share price moves.

Structural improvements in gross margins, supported by favorable pricing realization, supply chain efficiencies, and cost control initiatives, are driving durable improvement in EBITDA margins (raised outlook to 18–19%); as the energy technology segment's development costs subside and C&I revenue scales, margin expansion is likely to be sustainable through 2026 and beyond.

Curious what kind of revenue growth and margin lift have to come together to back that higher fair value, and what earnings multiple ties it all up? The full narrative lays out a detailed roadmap of sales expansion, profitability shifts, and valuation assumptions that go far beyond a simple headline P/E.

Result: Fair Value of $209.59 (UNDERVALUED)

However, this hinges on outage-driven demand for home standby generators, as well as a clean energy segment that is still pressuring margins and needs a reset.

Build Your Own Generac Holdings Narrative

If you see the numbers differently or want to stress test your own assumptions against the data, you can build a custom Generac view in just a few minutes with Do it your way.

A good starting point is our analysis highlighting 4 key rewards investors are optimistic about regarding Generac Holdings.

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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.