Which has grown faster, AMSC or FCEL?

Over the past five years, AMSC grew revenue faster — AMSC at a 28.57% CAGR versus FCEL at 16.24%.

Is AMSC or FCEL more profitable?

AMSC runs the higher net margin — AMSC at 42.56% versus FCEL at -113.94%.

How have AMSC and FCEL total returns compared?

Over the past 10 years, AMSC delivered 15.50% and FCEL delivered -37.51% annualized total return. Past performance doesn't predict future results.

American Superconductor Corporation (AMSC) vs FuelCell Energy, Inc. (FCEL)

A side-by-side comparison of American Superconductor Corporation and FuelCell Energy, Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of October 6, 2026. Differences are shown without an overall score or investment verdict.

AMSC

American Superconductor Corporation

$1.45B

$29.98IndustrialsDelayed quote: Oct 5, 2026, 4:00 PM EDT

FCEL

FuelCell Energy, Inc.

$1.44B

$18.07IndustrialsDelayed quote: Oct 5, 2026, 4:00 PM EDT

Total return — AMSC vs FCEL

growth of $100 · dividends reinvested · last 10y

AMSC +326.5% (+15.6%/yr)FCEL -99.1% (-37.2%/yr)AMSC compounded faster over this window

Log scale — wide-divergence pair

AMSC FCEL

AMSC vs FCEL: by the numbers

•AMSC is the larger company ($1.45B vs $1.44B market cap).
•AMSC is profitable (42.56% net margin) while FCEL runs a net loss (-113.94%).
•AMSC grew revenue faster over the past five years (28.57% vs 16.24% CAGR).

Metrics side by side

Valuation

Metric	AMSC	FCEL
P/E ratio	9.90	N/A
Forward P/E	34.15	N/A
P/S ratio	4.53	9.37
P/B ratio	2.54	1.48
EV / EBITDA	45.22	N/A
FCF yield	1.41%	N/A

Profitability

Metric	AMSC	FCEL
Gross margin	28.18%	-16.70%
Operating margin	6.16%	-70.11%
Net margin	42.56%	-113.94%
ROE	23.86%	-18.01%
ROIC	3.18%	-8.76%

Growth (annualized)

Metric	AMSC	FCEL
Revenue CAGR (5Y)	28.57%	16.24%
Total return CAGR (5Y)	16.27%	-36.94%

Frequently asked

Which has grown faster, AMSC or FCEL?: Over the past five years, AMSC grew revenue faster — AMSC at a 28.57% CAGR versus FCEL at 16.24%.
Is AMSC or FCEL more profitable?: AMSC runs the higher net margin — AMSC at 42.56% versus FCEL at -113.94%.
How have AMSC and FCEL total returns compared?: Over the past 10 years, AMSC delivered 15.50% and FCEL delivered -37.51% annualized total return. Past performance doesn't predict future results.

Go deeper

Full AMSC analysis Full FCEL analysis Interactive comparison tool

Dig into the metrics

American Superconductor P/E ratio American Superconductor ROE FuelCell Energy ROE American Superconductor operating margin FuelCell Energy operating margin American Superconductor revenue growth FuelCell Energy revenue growth American Superconductor free cash flow FuelCell Energy free cash flow

American Superconductor & FuelCell Energy appear in these rankings

Fastest Revenue Growth Stocks Highest 10-Year Total Return Stocks Lowest P/E Ratio Stocks

Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified October 6, 2026.