ASTI vs BE vs PLUG vs ARRY vs SPWR

For growth investors, Array Technologies, Inc.

(ARRY) is the stronger pick with 40. 2% revenue growth year-over-year, versus -100. 0% for Ascent Solar Technologies, Inc. Common Stock (ASTI). Analysts rate Bloom Energy Corporation (BE) a "Buy" — based on 31 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, Bloom Energy Corporation (BE) delivered a total return of +1199%, compared to -100.

0% for Ascent Solar Technologies, Inc. Common Stock (ASTI). Over 10 years, the gap is even starker: BE returned +944. 1% versus ASTI's -100. 0%. 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), SunPower Inc.

(SPWR) is the lower-risk stock at 2. 15β versus Ascent Solar Technologies, Inc. Common Stock's 4. 45β — meaning ASTI is approximately 107% more volatile than SPWR relative to the S&P 500. On balance sheet safety, Ascent Solar Technologies, Inc. Common Stock (ASTI) carries a lower debt/equity ratio of 44% versus 20% for Plug Power Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Array Technologies, Inc.

(ARRY) is pulling ahead at 40. 2% versus -100. 0% for Ascent Solar Technologies, Inc. Common Stock (ASTI). On earnings-per-share growth, the picture is similar: Plug Power Inc. grew EPS 100. 0% year-over-year, compared to -184. 6% for Bloom Energy Corporation. Over a 3-year CAGR, SPWR leads at 65. 3% 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.

Ascent Solar Technologies, Inc.

Common Stock (ASTI) is the more profitable company, earning 0. 0% net margin versus -229. 8% for Plug Power Inc. — meaning it keeps 0. 0% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: PLUG leads at 38. 1% versus -2. 0% for SPWR. 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.

On forward earnings alone, SunPower Inc.

(SPWR) trades at 5. 5x forward P/E versus 123. 5x for Bloom Energy Corporation — 118. 0x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for SPWR: 1350. 5% to $15. 81.

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, Bloom Energy Corporation (BE) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (+944.

1% 10Y return). Ascent Solar Technologies, Inc. Common Stock (ASTI) carries a higher beta of 4. 45 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (BE: +944. 1%, ASTI: -100. 0%), 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 (ASTI (Energy) and BE (Industrials) and PLUG (Industrials) and ARRY (Energy) and SPWR (Energy)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: ASTI is a small-cap quality compounder stock; BE is a mid-cap high-growth stock; PLUG is a small-cap quality compounder stock; ARRY is a small-cap high-growth stock; SPWR 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.