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Stock Comparison

ASTI vs BE vs PLUG vs ARRY

Revenue, margins, valuation, and 5-year total return — side by side.

Live fundamentals10-year financials5-year price chart
ASTI
Ascent Solar Technologies, Inc. Common Stock

Solar

EnergyNASDAQ • US
Market Cap$18M
5Y Perf.-100.0%
BE
Bloom Energy Corporation

Electrical Equipment & Parts

IndustrialsNYSE • US
Market Cap$62.18B
5Y Perf.+1946.2%
PLUG
Plug Power Inc.

Electrical Equipment & Parts

IndustrialsNASDAQ • US
Market Cap$4.36B
5Y Perf.-77.6%
ARRY
Array Technologies, Inc.

Solar

EnergyNASDAQ • US
Market Cap$1.25B
5Y Perf.-77.7%

ASTI vs BE vs PLUG vs ARRY — Key Financials

Market cap, revenue, margins, and valuation side-by-side.

Company Snapshot
ASTI logoASTI
BE logoBE
PLUG logoPLUG
ARRY logoARRY
IndustrySolarElectrical Equipment & PartsElectrical Equipment & PartsSolar
Market Cap$18M$62.18B$4.36B$1.25B
Revenue (TTM)$0.00$2.45B$710M$1.21B
Net Income (TTM)$-8M$6M$-1.63B$-67M
Gross Margin31.1%99.8%22.4%
Operating Margin8.2%38.1%4.5%
Forward P/E123.6x11.7x
Total Debt$1M$2.99B$997M$766M
Cash & Equiv.$3M$2.45B$1M$244M

ASTI vs BE vs PLUG vs ARRYLong-Term Stock Performance

Price return indexed to 100 at period start. Dividends excluded.

ASTI
BE
PLUG
ARRY
StockOct 20May 26Return
Ascent Solar Techno… (ASTI)1000.0-100.0%
Bloom Energy Corpor… (BE)1002046.2+1946.2%
Plug Power Inc. (PLUG)10022.4-77.6%
Array Technologies,… (ARRY)10022.3-77.7%

Price return only. Dividends and distributions are not included.

Quick Verdict: ASTI vs BE vs PLUG vs ARRY

Each card shows where this stock fits in a portfolio — not just who wins on paper.

Bottom line: BE and ARRY are tied at the top with 3 categories each — the right choice depends on your priorities. Array Technologies, Inc. is the stronger pick specifically for growth and revenue expansion and valuation and capital efficiency. This set spans 2 sectors — these stocks serve different portfolio roles, not just different price points.
ASTI
Ascent Solar Technologies, Inc. Common Stock
The Specific-Use Pick

ASTI plays a supporting role in this comparison — it may shine differently against other peers.

Best for: energy exposure
BE
Bloom Energy Corporation
The Long-Run Compounder

BE carries the broadest edge in this set and is the clearest fit for long-term compounding.

  • 9.3% 10Y total return vs PLUG's 62.2%
  • 0.2% margin vs PLUG's -229.8%
  • +14.6% vs ARRY's +62.7%
  • 0.2% ROA vs ASTI's -125.0%, ROIC 4.1% vs -275.5%
Best for: long-term compounding
PLUG
Plug Power Inc.
The Secondary Option

PLUG lags the leaders in this set but could rank higher in a more targeted comparison.

Best for: industrials exposure
ARRY
Array Technologies, Inc.
The Income Pick

ARRY is the #2 pick in this set and the best alternative if income & stability and growth exposure is your priority.

  • Dividend streak 1 yrs, beta 2.32
  • Rev growth 40.2%, EPS growth 62.6%, 3Y rev CAGR -7.8%
  • Lower volatility, beta 2.32, current ratio 2.31x
  • Beta 2.32, current ratio 2.31x
Best for: income & stability and growth exposure
See the full category breakdown
CategoryWinnerWhy
GrowthARRY logoARRY40.2% revenue growth vs ASTI's -100.0%
ValueARRY logoARRYBetter valuation composite
Quality / MarginsBE logoBE0.2% margin vs PLUG's -229.8%
Stability / SafetyARRY logoARRYBeta 2.32 vs ASTI's 4.28
DividendsTieNone of these 4 stocks pay a meaningful dividend
Momentum (1Y)BE logoBE+14.6% vs ARRY's +62.7%
Efficiency (ROA)BE logoBE0.2% ROA vs ASTI's -125.0%, ROIC 4.1% vs -275.5%

ASTI vs BE vs PLUG vs ARRY — Revenue Breakdown by Segment

How each company's revenue is distributed across its business units

ASTIAscent Solar Technologies, Inc. Common Stock
FY 2024
Product
100.0%$41,893
BEBloom Energy Corporation
FY 2025
Product
75.6%$1.5B
Service
11.3%$228M
Installation
10.2%$206M
Electricity
3.0%$60M
PLUGPlug Power Inc.
FY 2025
Sale Of Electrolyzers
26.5%$188M
Fuel Delivered To Customers
18.8%$133M
Power Purchase Agreements
15.2%$108M
Sale of cryogenic equipment
13.5%$96M
Services Performed On Fuel Cell Systems And Related Infrastructure
13.3%$94M
Sales Of Fuel Cell Systems
7.6%$54M
Sale Of Hydrogen Infrastructure
3.8%$27M
Other (2)
1.4%$10M
ARRYArray Technologies, Inc.

Segment breakdown not available.

ASTI vs BE vs PLUG vs ARRY — Financial Metrics

Side-by-side numbers across 4 stocks — who leads on profitability, valuation, growth, and risk.

BEST OVERALLBELAGGINGPLUG

Income & Cash Flow (Last 12 Months)

BE leads this category, winning 4 of 6 comparable metrics.

BE and ASTI operate at a comparable scale, with $2.4B and $0 in trailing revenue. Profitability is closely matched — net margins range from 0.2% (BE) to -2.3% (PLUG). On growth, BE holds the edge at +130.4% YoY revenue growth, suggesting stronger near-term business momentum.

MetricASTI logoASTIAscent Solar Tech…BE logoBEBloom Energy Corp…PLUG logoPLUGPlug Power Inc.ARRY logoARRYArray Technologie…
RevenueTrailing 12 months$0$2.4B$710M$1.2B
EBITDAEarnings before interest/tax-$8M$240M-$1.5B$95M
Net IncomeAfter-tax profit-$8M$6M-$1.6B-$67M
Free Cash FlowCash after capex-$7M$233M-$2M$58M
Gross MarginGross profit ÷ Revenue+31.1%+99.8%+22.4%
Operating MarginEBIT ÷ Revenue+8.2%+38.1%+4.5%
Net MarginNet income ÷ Revenue+0.2%-2.3%-5.6%
FCF MarginFCF ÷ Revenue+9.5%-0.3%+4.8%
Rev. Growth (YoY)Latest quarter vs prior year+130.4%+17.6%-26.1%
EPS Growth (YoY)Latest quarter vs prior year+83.3%+3.3%+95.9%-7.0%
BE leads this category, winning 4 of 6 comparable metrics.

Valuation Metrics

ARRY leads this category, winning 4 of 6 comparable metrics.

On an enterprise value basis, ARRY's 13.5x EV/EBITDA is more attractive than BE's 508.4x.

MetricASTI logoASTIAscent Solar Tech…BE logoBEBloom Energy Corp…PLUG logoPLUGPlug Power Inc.ARRY logoARRYArray Technologie…
Market CapShares × price$18M$62.2B$4.4B$1.3B
Enterprise ValueMkt cap + debt − cash$17M$62.7B$5.4B$1.8B
Trailing P/EPrice ÷ TTM EPS-1.26x-699.03x-11.23x
Forward P/EPrice ÷ next-FY EPS est.123.56x11.75x
PEG RatioP/E ÷ EPS growth rate
EV / EBITDAEnterprise value multiple508.37x13.50x
Price / SalesMarket cap ÷ Revenue30.72x6.14x0.98x
Price / BookPrice ÷ Book value/share2.97x78.41x4.80x
Price / FCFMarket cap ÷ FCF1087.24x15.72x
ARRY leads this category, winning 4 of 6 comparable metrics.

Profitability & Efficiency

Evenly matched — ASTI and BE and PLUG each lead in 3 of 9 comparable metrics.

BE delivers a 0.8% return on equity — every $100 of shareholder capital generates $1 in annual profit, vs $-3 for ASTI. ASTI carries lower financial leverage with a 0.44x debt-to-equity ratio, signaling a more conservative balance sheet compared to PLUG's 19.75x. On the Piotroski fundamental quality scale (0–9), PLUG scores 5/9 vs ASTI's 3/9, reflecting solid financial health.

MetricASTI logoASTIAscent Solar Tech…BE logoBEBloom Energy Corp…PLUG logoPLUGPlug Power Inc.ARRY logoARRYArray Technologie…
ROE (TTM)Return on equity-2.6%+0.8%-124.4%-20.6%
ROA (TTM)Return on assets-125.0%+0.2%-64.3%-4.4%
ROICReturn on invested capital-2.8%+4.1%+10.9%+9.0%
ROCEReturn on capital employed-175.1%+2.5%+18.6%+8.2%
Piotroski ScoreFundamental quality 0–93455
Debt / EquityFinancial leverage0.44x3.77x19.75x2.94x
Net DebtTotal debt minus cash-$1M$538M$996M$522M
Cash & Equiv.Liquid assets$3M$2.5B$1M$244M
Total DebtShort + long-term debt$1M$3.0B$997M$766M
Interest CoverageEBIT ÷ Interest expense1.05x-36.18x-2.42x
Evenly matched — ASTI and BE and PLUG each lead in 3 of 9 comparable metrics.

Total Returns (Dividends Reinvested)

BE leads this category, winning 6 of 6 comparable metrics.

A $10,000 investment in BE five years ago would be worth $111,339 today (with dividends reinvested), compared to $0 for ASTI. Over the past 12 months, BE leads with a +1464.7% total return vs ARRY's +62.7%. The 3-year compound annual growth rate (CAGR) favors BE at 148.0% vs ASTI's -90.7% — a key indicator of consistent wealth creation.

MetricASTI logoASTIAscent Solar Tech…BE logoBEBloom Energy Corp…PLUG logoPLUGPlug Power Inc.ARRY logoARRYArray Technologie…
YTD ReturnYear-to-date-4.4%+162.1%+40.4%-15.3%
1-Year ReturnPast 12 months+109.7%+1464.7%+303.6%+62.7%
3-Year ReturnCumulative with dividends-99.9%+1425.9%-66.3%-56.1%
5-Year ReturnCumulative with dividends-100.0%+1013.4%-86.4%-67.7%
10-Year ReturnCumulative with dividends-100.0%+934.6%+62.2%-77.5%
CAGR (3Y)Annualised 3-year return-90.7%+148.0%-30.4%-24.0%
BE leads this category, winning 6 of 6 comparable metrics.

Risk & Volatility

Evenly matched — BE and ARRY each lead in 1 of 2 comparable metrics.

ARRY is the less volatile stock with a 2.32 beta — it tends to amplify market swings less than ASTI's 4.28 beta. A beta below 1.0 means the stock typically moves less than the S&P 500. BE currently trades 85.4% from its 52-week high vs ASTI's 39.3% drawdown — a narrower gap to the peak suggests stronger recent price momentum.

MetricASTI logoASTIAscent Solar Tech…BE logoBEBloom Energy Corp…PLUG logoPLUGPlug Power Inc.ARRY logoARRYArray Technologie…
Beta (5Y)Sensitivity to S&P 5004.28x3.61x2.57x2.32x
52-Week HighHighest price in past year$9.87$302.99$4.58$12.23
52-Week LowLowest price in past year$1.10$16.18$0.69$4.92
% of 52W HighCurrent price vs 52-week peak+39.3%+85.4%+68.3%+67.0%
RSI (14)Momentum oscillator 0–10047.372.663.356.4
Avg Volume (50D)Average daily shares traded1.2M10.1M76.5M6.0M
Evenly matched — BE and ARRY each lead in 1 of 2 comparable metrics.

Analyst Outlook

Evenly matched — ASTI and ARRY each lead in 1 of 1 comparable metric.

Analyst consensus: BE as "Buy", PLUG as "Buy", ARRY as "Buy". Consensus price targets imply 24.9% upside for PLUG (target: $4) vs -27.5% for BE (target: $188).

MetricASTI logoASTIAscent Solar Tech…BE logoBEBloom Energy Corp…PLUG logoPLUGPlug Power Inc.ARRY logoARRYArray Technologie…
Analyst RatingConsensus buy/hold/sellBuyBuyBuy
Price TargetConsensus 12-month target$187.56$3.91$9.17
# AnalystsCovering analysts313828
Dividend YieldAnnual dividend ÷ price+0.0%
Dividend StreakConsecutive years of raises101
Dividend / ShareAnnual DPS$0.00
Buyback YieldShare repurchases ÷ mkt cap0.0%0.0%0.0%0.0%
Evenly matched — ASTI and ARRY each lead in 1 of 1 comparable metric.
Key Takeaway

BE leads in 2 of 6 categories (Income & Cash Flow, Total Returns). ARRY leads in 1 (Valuation Metrics). 3 tied.

Best OverallBloom Energy Corporation (BE)Leads 2 of 6 categories
Loading custom metrics...

ASTI vs BE vs PLUG vs ARRY: Key Questions Answered

9 questions · data-driven answers · updated daily

01

Is ASTI or BE or PLUG or ARRY a better buy right now?

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.

02

Which is the better long-term investment — ASTI or BE or PLUG or ARRY?

Over the past 5 years, Bloom Energy Corporation (BE) delivered a total return of +1013%, compared to -100.

0% for Ascent Solar Technologies, Inc. Common Stock (ASTI). Over 10 years, the gap is even starker: BE returned +934. 6% 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.

03

Which is safer — ASTI or BE or PLUG or ARRY?

By beta (market sensitivity over 5 years), Array Technologies, Inc.

(ARRY) is the lower-risk stock at 2. 32β versus Ascent Solar Technologies, Inc. Common Stock's 4. 28β — meaning ASTI is approximately 85% more volatile than ARRY 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.

04

Which is growing faster — ASTI or BE or PLUG or ARRY?

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, BE leads at 19. 1% 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.

05

Which has better profit margins — ASTI or BE or PLUG or ARRY?

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 0. 0% for ASTI. 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.

06

Is ASTI or BE or PLUG or ARRY more undervalued right now?

On forward earnings alone, Array Technologies, Inc.

(ARRY) trades at 11. 7x forward P/E versus 123. 6x for Bloom Energy Corporation — 111. 8x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for PLUG: 24. 9% to $3. 91.

07

Which pays a better dividend — ASTI or BE or PLUG or ARRY?

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.

08

Is ASTI or BE or PLUG or ARRY better for a retirement portfolio?

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 (+934.

6% 10Y return). Ascent Solar Technologies, Inc. Common Stock (ASTI) carries a higher beta of 4. 28 — 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: +934. 6%, 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.

09

What are the main differences between ASTI and BE and PLUG and ARRY?

These companies operate in different sectors (ASTI (Energy) and BE (Industrials) and PLUG (Industrials) and ARRY (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. 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.

Find Stocks Like These

Explore pre-built screens for each stock's profile, or build a custom screen to find stocks that outperform all of them.

Stocks Like

ASTI

Quality Business

  • Sector: Energy
  • Market Cap > $100B
Run This Screen
Stocks Like

BE

High-Growth Disruptor

  • Sector: Industrials
  • Market Cap > $100B
  • Revenue Growth > 65%
  • Gross Margin > 18%
Run This Screen
Stocks Like

PLUG

High-Growth Disruptor

  • Sector: Industrials
  • Market Cap > $100B
  • Revenue Growth > 8%
  • Gross Margin > 59%
Run This Screen
Stocks Like

ARRY

Quality Business

  • Sector: Energy
  • Market Cap > $100B
  • Gross Margin > 13%
Run This Screen
Custom Screen

Beat Both

Find stocks that outperform ASTI and BE and PLUG and ARRY on the metrics below

Revenue Growth>
%
(ASTI: -100.0% · BE: 130.4%)

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