FCEL vs BLDP vs WPRT Stock Comparison

Fuelcell Energy, Ballard Power Systems and Aetherion Technologies Prices as of Oct 28, 2026 Peers: Industry group
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FCEL Fuelcell Energy Inc
$12.38 -23.3% 1M +62.3% 1Y
Market cap
$860.71M
P/E
–
Revenue (TTM)
$154.14M
Div. yield
–
Fuel Cells Industrials
3 wins

Head to Head

9 decided of 12

Ballard Power Systems leads on 4 of the 12 questions below (Ballard Power Systems 4, Fuelcell Energy 3, Aetherion Technologies 2). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionFCELBLDPWPRTLeader
Larger companyMarket capitalisation $860.71M $480.25M $36.14M FCEL
Cheaper on earningsLower P/E, profitable companies only -4.8x -6.0x -0.9x –
Cheaper on forward earningsLower price / next fiscal year consensus EPS — — — –
Faster revenue growthRevenue growth, trailing twelve months +1.1% +46.4% -73.4% BLDP
More profitableNet margin, trailing twelve months -115.7% -75.7% -493.2% BLDP
Better return on capitalReturn on invested capital -20.5% — -39.8% FCEL
Less leveragedLower net debt / EBITDA 4.6x — 1.0x WPRT
Higher dividend yieldTrailing dividend yield 0.00% 0.00% — –
Better 1-year returnPrice return, last 12 months +62.3% -52.9% +2.5% FCEL
Better 5-year returnAnnualised price return, 5 years -44.7%/yr -38.3%/yr -42.7%/yr BLDP
Less volatileAnnualised volatility, 1 year 131.3% 73.6% 53.4% WPRT
Higher overall scoreMean of the five percentile scores vs peers 37/100 67/100 25/100 BLDP

Percentile Scorecard

FCELBLDPWPRT

Each axis is the mean percentile of its metrics against the company's industry group. 100 is the best in the group, 50 the middle.

Scores by Axis

AxisFCELBLDPWPRT
Valuation 37 #39 of 61 60 #25 of 61 10 #182 of 203
Growth 32 #40 of 58 81 #12 of 58 30 #132 of 188
Profitability 33 #37 of 55 48 #29 of 55 4 #176 of 184
Financial Health 81 #14 of 71 80 #15 of 71 55 #99 of 217
Shareholder Returns 4 #28 of 29 – –
Overall 37 67 25
  • FCEL ranked among 71 companies in Clean Energy Equipment
  • BLDP ranked among 71 companies in Clean Energy Equipment
  • WPRT ranked among 222 companies in Machinery

Price Performance

Price return, split-adjusted, before dividends. Click a name to hide or show it.

Returns

PeriodFCELBLDPWPRTSPY
1 month -23.3%-21.4%+2.5% +0.9%
3 months -31.5%-35.2%+20.2% +5.9%
6 months -9.2%-51.2%+5.6% +8.5%
Year to date +69.4%-36.2%+32.5% +13.3%
1 year +62.3%-52.9%+2.5% +12.4%
3 years -60.3%-48.7%-58.0% +88.1%
3 years, per year -26.5%-20.0%-25.1% +23.5%
5 years -94.8%-91.1%-93.8% +68.2%
5 years, per year -44.7%-38.3%-42.7% +11.0%
10 years -99.0%-21.0%-86.8% +263.4%
10 years, per year -37.1%-2.3%-18.4% +13.8%

Risk

MeasureFCELBLDPWPRTSPY
Volatility, 1Y 131.3%73.6%53.4% 12.7%
Downside volatility, 1Y 113.7%68.9%47.4% 12.7%
Beta vs S&P 500, 1Y 3.742.780.64 1.00
Return / volatility, 1Y 0.47-0.720.05 0.98
Max drawdown, 5Y -98.9%-94.7%-96.1% -25.4%
From 52-week high -65.6%-74.6%-15.8% -0.9%
52-week high $36.01$6.38$2.47 $779.14
52-week low $6.00$1.43$1.54 $631.97

Valuation History

Weekly multiples on trailing twelve-month fundamentals. Negative or extreme readings (a loss year, a collapsed denominator) are left out so the chart stays readable.

MultipleFCELBLDPWPRT
P/E now vs peer median -4.9xmedian 29.4x -6.1xmedian 29.4x -0.9xmedian 25.4x
P/S now vs peer median 6.4xmedian 2.6x 4.6xmedian 2.6x 4.3xmedian 1.9x
EV/EBITDA now vs peer median -2.5xmedian 18.4x 1.5xmedian 18.4x -0.6xmedian 14.3x
P/FCF now vs peer median -9.8xmedian 24.4x -9.3xmedian 24.4x -4.1xmedian 21.8x
P/B now vs peer median 1.0xmedian 1.8x 0.9xmedian 1.8x 0.7xmedian 2.2x
PEG now vs peer median 0.05median 1.07 -0.37median 1.07 -0.11median 1.41

Financial History

Reported figures by fiscal period, placed on the calendar year (or quarter) each period ended in, so companies with different fiscal years line up.

Trailing twelve monthsFCELBLDPWPRT
Revenue $154.14M $106.16M $8.50M
Gross profit -$49.92M $17.41M $952.00K
Operating income -$179.19M -$31.41M -$23.52M
Net income -$178.30M -$77.27M -$41.91M
Free cash flow -$101.12M -$52.66M -$8.83M
R&D $28.64M $42.19M $5.35M
EPS (diluted) $-2.53 $-0.52 $-2.42
Cash & equivalents $658.10M $502.10M $23.95M
Total debt $18.80M – $972.00K
Shares (diluted) 70.41M 155.19M 17.34M
Enterprise value -$760.49M -$1.60B -$200.96M

All Metrics

58 metrics · best in bold

Bold marks the best reading: the lowest positive value for multiples, leverage and payout, the highest for everything else. The bar under each value is its percentile against that company's own peers. Hover a value for its rank and the peer median.

Valuation

12 metrics
MetricFCELBLDPWPRT
P/E -4.9x -6.1x -0.9x
P/FCF -9.8x -9.3x -4.1x
P/Operating cash flow -10.3x -12.3x -4.6x
P/S 6.4x 4.6x 4.3x
P/B 1.0x 0.9x 0.7x
P/Tangible book 1.0x 0.9x 0.7x
EV/EBITDA -2.5x 1.5x -0.6x
EV/EBIT -2.0x 0.6x -0.6x
EV/Revenue 2.3x -0.2x 1.5x
EV/FCF -3.5x 0.3x -1.5x
EV/Operating cash flow -3.6x 0.5x -1.7x
PEG (3Y EPS CAGR) 0.05 -0.37 -0.11

Growth

14 metrics
MetricFCELBLDPWPRT
Revenue growth (1Y) 1.1% 46.4% -73.4%
Revenue CAGR (3Y) 3.2% 15.8% -70.1%
Gross profit growth (1Y) -62.6% 272.0% -72.0%
Gross profit CAGR (3Y) -27.2% 48.9% -72.0%
Operating income growth (1Y) 12.6% 81.6% -71.1%
Operating income CAGR (3Y) -8.0% 39.2% -35.5%
Net income growth (1Y) 11.6% 74.0% 21.9%
Net income CAGR (3Y) -13.9% 18.2% 7.3%
EPS growth (1Y) 69.5% 73.0% 18.0%
EPS CAGR (3Y) -104.7% 16.3% 7.7%
Operating cash flow growth (1Y) 0.3% -107.5% 55.5%
Operating cash flow CAGR (3Y) 13.4% 13.1% 10.8%
Free cash flow growth (1Y) 18.9% -110.5% 55.5%
Free cash flow CAGR (3Y) 17.8% 13.0% 27.8%

Profitability

14 metrics
MetricFCELBLDPWPRT
Gross margin -32.4% 16.4% 11.2%
EBITDA margin -89.9% -11.0% -267.3%
Operating margin -116.3% -29.6% -276.7%
Pretax margin -115.7% -11.8% -423.1%
Net margin -115.7% -75.7% -493.2%
FCF margin -65.6% -49.6% -103.9%
Operating cash flow margin -62.5% -37.3% -93.2%
Return on equity -20.8% -14.0% -29.3%
Return on assets -15.4% -12.2% -19.9%
Return on invested capital -20.5% – -39.8%
Return on capital employed -16.9% -5.2% -42.2%
Asset turnover 0.1x 0.2x 0.1x
Cash conversion (OCF / net income) 0.5x 0.5x 0.2x
Stock comp / revenue 6.4% 18.7% 8.2%

Financial Health

11 metrics
MetricFCELBLDPWPRT
Debt / assets 1.4% – 1.1%
Debt / equity 0.0x – 0.0x
Net debt / EBITDA 4.6x – 1.0x
Debt / FCF -0.2x – -0.1x
Liabilities / assets 25.0% 13.1% 38.5%
Equity / assets 75.0% 86.9% 61.5%
Interest coverage -16.0x -36.4x -100.9x
Current ratio 8.7x 11.2x 1.1x
Quick ratio 7.3x 10.3x 1.1x
Cash ratio 6.8x 9.9x 0.8x
Altman Z-score 0.04 -0.30 -19.44

Shareholder Returns

7 metrics
MetricFCELBLDPWPRT
Dividend yield – – –
Net buyback yield -59.4% – 306.4%
Shareholder yield -59.4% – 306.4%
Payout ratio (earnings) – – –
Payout ratio (FCF) – – –
Dividend growth (1Y) – – –
Dividend CAGR (3Y) – – –

Analyst Estimates

Solid lines are reported fiscal-year results; dashed lines are the consensus for the years ahead. Hover a year for the analysts' high and low, and how each result compared with its estimate.

ConsensusFCELBLDPWPRT
EPS, next fiscal year $-2.70FY2026 $-0.18FY2026 $-1.37FY2026
Revenue, next fiscal year $153.46MFY2026 $115.35MFY2026 $10.34MFY2026
Revenue growth, next FY -3.0%FY2026 +17.0%FY2026 -55.7%FY2026
Revenue growth, the year after +71.6% +40.4% +10.1%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersFCELBLDPWPRT
Held by institutions 65.0% 34.7% 21.0%
Institutions holding 226 170 46
Change in shares held, QoQ +67.3% +16.3% +70.5%
Institutions buying 161 101 16
Institutions selling 38 40 13
Buyers to sellers 4.24 2.53 1.23

Return Correlation

Daily returns, last 12 months

1.00 means two stocks move in lockstep, 0 that they move independently. Pairs below about 0.5 diversify each other.

FCELBLDPWPRT
FCEL 1.00 0.52 0.12
BLDP 0.52 1.00 0.16
WPRT 0.12 0.16 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, FCEL, BLDP and WPRT?

Fuelcell Energy (FCEL) is the largest by market capitalisation: Fuelcell Energy (FCEL) $860.71M, Ballard Power Systems (BLDP) $480.25M, Aetherion Technologies (WPRT) $36.14M.

Which company is growing faster?

Ballard Power Systems (BLDP) grew revenue fastest over the trailing twelve months: Fuelcell Energy (FCEL) +1.1%, Ballard Power Systems (BLDP) +46.4%, Aetherion Technologies (WPRT) -73.4%.

Which company is more profitable?

Ballard Power Systems (BLDP) has the highest net margin (Fuelcell Energy (FCEL) -115.7%, Ballard Power Systems (BLDP) -75.7%, Aetherion Technologies (WPRT) -493.2%). On return on invested capital, Fuelcell Energy (FCEL) leads (Fuelcell Energy (FCEL) -20.5%, Aetherion Technologies (WPRT) -39.8%).

Which stock has performed better?

Over the past year Fuelcell Energy (FCEL) returned the most: Fuelcell Energy (FCEL) +62.3%, Ballard Power Systems (BLDP) -52.9%, Aetherion Technologies (WPRT) +2.5%. Over five years, Ballard Power Systems (BLDP) compounded fastest (Fuelcell Energy (FCEL) -44.7%/yr, Ballard Power Systems (BLDP) -38.3%/yr, Aetherion Technologies (WPRT) -42.7%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Aetherion Technologies (WPRT) has been the steadiest (Fuelcell Energy (FCEL) 131.3%, Ballard Power Systems (BLDP) 73.6%, Aetherion Technologies (WPRT) 53.4%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, FCEL, BLDP and WPRT?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Ballard Power Systems (BLDP) leads on 4. Business Quant does not give investment advice; use the comparison as a starting point for your own research.

Data from SEC filings, exchange prices and consensus estimates, via Business Quant. Percentile scores compare each company with its own peer group, so two companies' scores are each relative to different peers unless you rank against the whole market. Price returns exclude dividends. Nothing on this page is investment advice.