ENS vs GNRC vs PLUG vs HUBB

For growth investors, Plug Power Inc.

(PLUG) is the stronger pick with 12. 9% revenue growth year-over-year, versus -2. 0% for Generac Holdings Inc. (GNRC). EnerSys (ENS) offers the better valuation at 24. 8x trailing P/E (21. 6x forward), making it the more compelling value choice. Analysts rate EnerSys (ENS) a "Buy" — based on 16 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, EnerSys (ENS) is the cheapest at 24.

8x versus Generac Holdings Inc. at 99. 2x. On forward P/E, EnerSys is actually cheaper at 21. 6x. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: EnerSys wins at 0. 94x versus Hubbell Incorporated's 1. 20x — a PEG below 1. 0 traditionally signals the market is underpricing earnings growth.

Over the past 5 years, Hubbell Incorporated (HUBB) delivered a total return of +159.

4%, compared to -86. 4% for Plug Power Inc. (PLUG). Over 10 years, the gap is even starker: GNRC returned +666. 1% versus PLUG's +62. 2%. 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), Hubbell Incorporated (HUBB) is the lower-risk stock at 1.

38β versus Plug Power Inc. 's 2. 57β — meaning PLUG is approximately 86% more volatile than HUBB relative to the S&P 500. On balance sheet safety, Generac Holdings Inc. (GNRC) carries a lower debt/equity ratio of 51% versus 20% for Plug Power Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Plug Power Inc.

(PLUG) is pulling ahead at 12. 9% versus -2. 0% for Generac Holdings Inc. (GNRC). On earnings-per-share growth, the picture is similar: Plug Power Inc. grew EPS 100. 0% year-over-year, compared to -50. 1% for Generac Holdings Inc.. Over a 3-year CAGR, HUBB leads at 5. 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.

Hubbell Incorporated (HUBB) is the more profitable company, earning 15.

2% net margin versus -229. 8% for Plug Power Inc. — meaning it keeps 15. 2% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: PLUG leads at 38. 1% versus 6. 9% for GNRC. At the gross margin level — before operating expenses — PLUG leads at 99. 8%, 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.

The PEG ratio (forward P/E divided by expected earnings growth rate) is the most precise measure of undervaluation relative to growth potential.

By this metric, EnerSys (ENS) is the more undervalued stock at a PEG of 0. 94x versus Hubbell Incorporated's 1. 20x. A PEG below 1. 0 is traditionally considered the threshold for growth-adjusted undervaluation. On forward earnings alone, EnerSys (ENS) trades at 21. 6x forward P/E versus 30. 9x for Generac Holdings Inc. — 9. 4x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for PLUG: 24. 9% to $3. 91.

In this comparison, HUBB (1.

1% yield), ENS (0. 4% yield) pay a dividend. GNRC, PLUG do not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, Hubbell Incorporated (HUBB) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (1.

1% yield, +410. 7% 10Y return). Plug Power Inc. (PLUG) carries a higher beta of 2. 57 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (HUBB: +410. 7%, PLUG: +62. 2%), 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.

Both stocks operate in the Industrials sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both.

HUBB pays a dividend while ENS, GNRC, PLUG do not, making them suitable for different income and tax situations. 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.