Sunrun (RUN) is back in focus after reporting Q1 2026 results that topped market expectations, with higher revenue, positive net income and improved margins, alongside commentary reinforcing its storage first, vertically integrated approach.

The Q1 beat and securitization news have arrived at a time when short term momentum is picking up, with a 1 day share price return of 7.56% and 1 year total shareholder return of 62.35%. However, the 90 day share price return of 30.76% and 5 year total shareholder return of 65.02% indicate that longer term volatility and drawdowns remain part of the story.

If Sunrun’s storage first push has your attention, it can be useful to see how other power and grid focused companies are trading using our 36 power grid technology and infrastructure stocks

After a sharp rebound over the past year and a strong Q1 beat, Sunrun’s stock has already rerated from its lows. The key question now is whether recent gains leave more upside on the table or if the market is already pricing in future growth.

Most Popular Narrative: 27.7% Undervalued

According to the most followed narrative, Sunrun’s fair value of $19.09 sits meaningfully above the last close at $13.80, which frames the current valuation debate clearly.

Sunrun embodies the tension at the heart of the energy transition: massive long-term demand constrained by short-term financial realities. Success in residential solar increasingly depends on mastering capital structure, not just installing panels.

Want to understand why this narrative still sees upside despite modest forecast revenue and earnings growth, rate pressure and capital intensive funding needs? The fair value hinges on how cash flow discipline, storage economics and financing costs interact over time. The key assumptions are all on the table, but the exact mix is not.

Result: Fair Value of $19.09 (UNDERVALUED)

However, this narrative could be tested if higher interest costs keep pressuring financing economics, or if policy and regulatory shifts weigh on residential solar adoption.

Next Steps

The mix of potential upside and clear risks in this article might feel finely balanced, so act while the details are fresh. Take time to weigh both sides using the 4 key rewards and 3 important warning signs

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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.