Sunrun (RUN) has drawn fresh attention after announcing an agreement with Tesla Energy Operations and Renew Home to aggregate more than 16 gigawatts of flexible residential capacity for utilities and hyperscale data centers across the U.S.

Sunrun’s agreement arrives after a sharp rebound in sentiment, with the stock’s 1 year total shareholder return of 81.56% contrasting with a year to date share price decline of 30.61%. This suggests that momentum has cooled despite recent news driven spikes.

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With Sunrun trading at $13.49, carrying a value score of 3 and sitting about 42% below the average analyst price target of $19.11, investors have to ask: is this a genuine mispricing, or is the recent virtual power plant excitement already reflected in the stock?

Most Popular Narrative: 31.4% Undervalued

Sunrun's most followed narrative puts fair value at $19.67 per share, compared with the last close of $13.49. This frames the latest virtual power plant news in a very different light.

Sunrun is rapidly scaling its storage and grid services offerings, enrolling a growing portion of its customer base (currently ~35% of 200,000 batteries, aiming for 10 GWh of dispatchable energy by 2029). This is enabling recurring revenue growth and expanded margin opportunities as demand for grid support rises. This will positively impact long-term revenue and net margins.

Want to see what underpins that higher fair value for Sunrun? The narrative leans heavily on recurring energy services, margin compression, and a rich future earnings multiple. The exact mix of growth, profitability, and discount rate assumptions might be unexpected.

At the core of this fair value is a detailed analyst model that ties Sunrun's residential solar, storage, and grid services footprint to future earnings, discounts those cash flows at 12.33%, and then layers on a premium P/E multiple years out. The result is a fair value estimate of $19.67 that sits above the current $13.49 share price, while the same narrative expects revenue growth to slow and earnings to decline from current levels.

Analysts behind this narrative are building in moderate revenue expansion, thinner profit margins, and a higher share count, yet still arrive at a valuation that suggests the market is not fully pricing in Sunrun's storage and grid services business. They also assume the stock will trade on a much higher P/E multiple in future than it does today. This concentrates a large portion of the fair value in what investors may be willing to pay for each dollar of earnings several years from now.

Result: Fair Value of $19.67 (UNDERVALUED)

However, Sunrun's reliance on tax credits and external financing, along with the risk of higher customer acquisition and servicing costs, could quickly challenge this upbeat valuation story.

Next Steps

If Sunrun’s mix of risks and rewards feels finely balanced, this is the moment to check the underlying data and shape your own view with 3 key rewards and 3 important warning signs.

Looking for more investment ideas beyond Sunrun?

If Sunrun has sharpened your interest in what else might be hiding in plain sight, do not leave it there. Broaden your watchlist and keep your options open.

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• Aim to get ahead of the crowd by tracking lesser known businesses with strong underlying numbers through the screener containing 19 high quality undiscovered gems.

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.