FuelCell Energy, Inc. (FCEL) vs Plug Power Inc. (PLUG)
A side-by-side comparison of FuelCell Energy, Inc. and Plug Power Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of August 26, 2026. Differences are shown without an overall score or investment verdict.
FCEL
FuelCell Energy, Inc.
$19.07IndustrialsDelayed quote: Aug 26, 2026, 4:00 PM EDT
PLUG
Plug Power Inc.
$2.17IndustrialsDelayed quote: Aug 26, 2026, 4:00 PM EDT
Total return — FCEL vs PLUG
growth of $100 · dividends reinvested · last 10yFCEL -99.0% (-36.9%/yr)PLUG +45.5% (+3.8%/yr)PLUG compounded faster over this window
Log scale — wide-divergence pair
FCEL PLUG
FCEL vs PLUG: by the numbers
- •PLUG is the larger company ($3.03B vs $1.52B market cap).
- •Both run net losses; FCEL's is the smaller (-132.72% vs -220.59% net margin).
- •FCEL grew revenue faster over the past five years (21.07% vs 16.64% CAGR).
Metrics side by side
Valuation
| Metric | FCEL | PLUG |
|---|---|---|
| P/S ratio | 6.23 | 4.24 |
| P/B ratio | 1.45 | 5.43 |
Profitability
| Metric | FCEL | PLUG |
|---|---|---|
| Gross margin | -18.20% | -34.09% |
| Operating margin | -76.65% | -95.73% |
| Net margin | -132.72% | -220.59% |
| ROE | -30.97% | -282.14% |
| ROIC | -16.36% | -30.72% |
Growth (annualized)
| Metric | FCEL | PLUG |
|---|---|---|
| Revenue CAGR (5Y) | 21.07% | 16.64% |
| Total return CAGR (5Y) | -36.51% | -38.79% |
Frequently asked
- Which has grown faster, FCEL or PLUG?
- Over the past five years, FCEL grew revenue faster — FCEL at a 21.07% CAGR versus PLUG at 16.64%.
- How have FCEL and PLUG total returns compared?
- Over the past 10 years, FCEL delivered -36.74% and PLUG delivered 3.24% annualized total return. Past performance doesn't predict future results.
Go deeper
Dig into the metrics
FuelCell Energy ROEPlug Power ROEFuelCell Energy operating marginPlug Power operating marginFuelCell Energy revenue growthPlug Power revenue growthFuelCell Energy free cash flowPlug Power free cash flow
FuelCell Energy & Plug Power appear in these rankings
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 August 26, 2026.