SUNE vs ENPH

For growth investors, SUNation Energy Inc.

(SUNE) is the stronger pick with 26. 5% revenue growth year-over-year, versus 10. 7% for Enphase Energy, Inc. (ENPH). Enphase Energy, Inc. (ENPH) offers the better valuation at 27. 5x trailing P/E (18. 0x forward), making it the more compelling value choice. Analysts rate Enphase Energy, Inc. (ENPH) a "Hold" — based on 55 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.

Over the past 5 years, SUNation Energy Inc.

(SUNE) delivered a total return of +769. 4%, compared to -71. 2% for Enphase Energy, Inc. (ENPH). Over 10 years, the gap is even starker: SUNE returned +1075% versus ENPH's +1789%. 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), Enphase Energy, Inc.

(ENPH) is the lower-risk stock at 1. 69β versus SUNation Energy Inc. 's 2. 11β — meaning SUNE is approximately 25% more volatile than ENPH relative to the S&P 500. On balance sheet safety, SUNation Energy Inc. (SUNE) carries a lower debt/equity ratio of 22% versus 114% for Enphase Energy, Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), SUNation Energy Inc.

(SUNE) is pulling ahead at 26. 5% versus 10. 7% for Enphase Energy, Inc. (ENPH). On earnings-per-share growth, the picture is similar: SUNation Energy Inc. grew EPS 100. 0% year-over-year, compared to 72. 0% for Enphase Energy, Inc.. Over a 3-year CAGR, SUNE leads at 37. 7% 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.

Enphase Energy, Inc.

(ENPH) is the more profitable company, earning 11. 7% net margin versus -15. 1% for SUNation Energy Inc. — meaning it keeps 11. 7% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: ENPH leads at 11. 2% versus -2. 3% for SUNE. At the gross margin level — before operating expenses — ENPH leads at 46. 6%, 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.

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, Enphase Energy, Inc.

(ENPH) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (+1789% 10Y return). SUNation Energy Inc. (SUNE) carries a higher beta of 2. 11 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (ENPH: +1789%, SUNE: +1075%), 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 (SUNE (Industrials) and ENPH (Energy)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: SUNE is a small-cap high-growth stock; ENPH is a small-cap quality compounder stock. 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.