RNW vs RUN

For growth investors, Sunrun Inc.

(RUN) is the stronger pick with 45. 1% revenue growth year-over-year, versus 19. 4% for ReNew Energy Global Plc (RNW). Sunrun Inc. (RUN) offers the better valuation at 8. 1x trailing P/E (22. 8x forward), making it the more compelling value choice. Analysts rate ReNew Energy Global Plc (RNW) a "Buy" — based on 6 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.

On trailing P/E, Sunrun Inc.

(RUN) is the cheapest at 8. 1x versus ReNew Energy Global Plc at 46. 9x. On forward P/E, ReNew Energy Global Plc is actually cheaper at 0. 4x — notably different from the trailing picture, reflecting expected earnings growth.

Over the past 5 years, ReNew Energy Global Plc (RNW) delivered a total return of -45.

7%, compared to -69. 8% for Sunrun Inc. (RUN). Over 10 years, the gap is even starker: RUN returned +86. 7% versus RNW's -50. 5%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

By beta (market sensitivity over 5 years), ReNew Energy Global Plc (RNW) is the lower-risk stock at 0.

62β versus Sunrun Inc. 's 2. 89β — meaning RUN is approximately 364% more volatile than RNW relative to the S&P 500. On balance sheet safety, Sunrun Inc. (RUN) carries a lower debt/equity ratio of 3% versus 6% for ReNew Energy Global Plc — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Sunrun Inc.

(RUN) is pulling ahead at 45. 1% versus 19. 4% for ReNew Energy Global Plc (RNW). On earnings-per-share growth, the picture is similar: Sunrun Inc. grew EPS 113. 3% year-over-year, compared to 10. 1% for ReNew Energy Global Plc. Over a 3-year CAGR, RNW leads at 17. 8% annualised revenue growth. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.

Sunrun Inc.

(RUN) is the more profitable company, earning 15. 2% net margin versus 3. 9% for ReNew Energy Global Plc — meaning it keeps 15. 2% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: RNW leads at 53. 5% versus -4. 3% for RUN. At the gross margin level — before operating expenses — RNW leads at 91. 1%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.

On forward earnings alone, ReNew Energy Global Plc (RNW) trades at 0.

4x forward P/E versus 22. 8x for Sunrun Inc. — 22. 4x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for RUN: 31. 4% to $18. 14.

None of the stocks in this comparison currently pay a material dividend.

All are effectively zero-yield and should be held for capital appreciation rather than income.

For long-horizon retirement investors, ReNew Energy Global Plc (RNW) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0.

62)). Sunrun Inc. (RUN) carries a higher beta of 2. 89 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (RNW: -50. 5%, RUN: +86. 7%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.

These companies operate in different sectors (RNW (Utilities) and RUN (Energy)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.