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BLDP
Ballard Power Systems, Inc. · Clean Energy
$2.68
-35.46% this month
VERSUS
⟷
COMPARE
PLUG
Plug Power Inc. · Clean Energy
$2.16
-18.49% this month
Scoreboard verdict
Across AI score, momentum, valuation, upside, operating margin
BLDP
3
PLUG
1
Comparison scoreboard
BLDP LEADS 3/5AI Score
BLDP ✓36.4
PLUG 35.2
1Y Return
BLDP ✓+45.92%
PLUG +30.91%
Fwd P/E
BLDP -17.17
PLUG ✓-13.50
Target Up.
BLDP ✓+65.32%
PLUG +64.21%
Op. Margin
BLDP N/A
PLUG N/A
Metrics last refreshed: 7/17/2026
Quick take
BLDP vs PLUG: Ballard Power vs Plug Power Stock Comparison: AI Score, Valuation, Performance and Upside
Ballard Power Systems is a Canadian fuel cell technology company focused on heavy transportation applications like buses and trucks, while Plug Power is a US company pursuing a vertically integrated green hydrogen ecosystem spanning electrolyzers, liquefaction, and material handling. Ballard is more technology-focused with a licensing model; Plug is more operationally ambitious with a wider but more capital-intensive strategy.
BLDP vs PLUG is fuel cell technology licensing for heavy transport versus vertically integrated green hydrogen at scale — Ballard wins if heavy transportation fuel cells find commercial traction and China bus market grows; Plug wins if green hydrogen IRA credits drive electrolyzer deployment and material handling scale delivers improved unit economics.
Live analysis · updated 7/17/2026
BLDP holds the edge across 3 of 5 key metrics in this comparison. BLDP has delivered stronger 1-year price return (+45.92% vs +30.91%), though PLUG has the better forward P/E setup (-13.50x vs -17.17x for BLDP). Analyst consensus implies similar upside for both: +65.32% for BLDP and +64.21% for PLUG.
Normalized 1Y performance
BLDP
PLUG
Recent returns
BLDP
PLUG
Analyst price targets & sentiment
BLDP · 9 analysts
STRONG BUYHOLDSTRONG SELL
Hold (2.9/5.0)
Price target range
analyst low$2.10
analyst high$6.50
analyst mean$4.44
current price$2.68
+65.3% upside to analyst mean
PLUG · 16 analysts
STRONG BUYHOLDSTRONG SELL
Hold (2.8/5.0)
Price target range
analyst low$0.75
analyst high$7.00
analyst mean$3.55
current price$2.16
+64.2% upside to analyst mean
Who should consider this stock?
BLDP may suit investors who:
- →prefer a technology-licensing fuel cell model with lower capital intensity than Plug
- →want exposure to heavy transportation decarbonization via buses, trucks, and trains
- →value Ballard's longer track record and technology depth in PEM fuel cells
- →are comfortable with pre-commercial scale and patient capital horizons for fuel cell adoption
PLUG may suit investors who:
- →want the most ambitious vertically integrated green hydrogen pure-play
- →believe IRA hydrogen production tax credits unlock the economics of green hydrogen at scale
- →value Plug's existing material handling customer base as a platform for hydrogen ecosystem expansion
- →are willing to accept significant cash burn and execution risk for potentially large green hydrogen market exposure
Performance & AI score
| Metric | BLDP | PLUG |
|---|---|---|
| AI score | 36.4 | 35.2 |
| AI rank | #1562 | #1681 |
| Latest close | $2.68 | $2.16 |
| 1M return | -35.46% | -18.49% |
| 6M return | -0.56% | -4.42% |
| 1Y return | +45.92% | +30.91% |
$10,000 invested — hypothetical growth (dividends reinvested)
How much would $10,000 be worth today if invested at the start of each period, with all dividends reinvested?
| Period | BLDP | PLUG |
|---|---|---|
| 1Y ago | $14.59K (+45.9%) started 2025-07-17 | $13.09K (+30.9%) started 2025-07-17 |
| 5Y ago | $1.76K (-82.4%) started 2021-07-19 | $830.77 (-91.7%) started 2021-07-19 |
| 10Y ago | $13.36K (+33.6%) started 2016-07-18 | $12.2K (+22.0%) started 2016-07-18 |
Hypothetical — past performance does not guarantee future results.
Valuation & upside potential
| Metric | BLDP | PLUG |
|---|---|---|
| Market cap | $809.46M | $3.01B |
| Trailing P/E | N/A | N/A |
| Forward P/E | -17.17 | -13.50 |
| Price/Sales | 7.83 | 4.07 |
| EV/Revenue | 3.17 | 5.13 |
| Analyst target | $4.44 | $3.55 |
| Target upside | +65.32% | +64.21% |
Growth, profitability & risk
| Metric | BLDP | PLUG |
|---|---|---|
| Revenue growth | 26.20% | 22.30% |
| Earnings growth | N/A | N/A |
| EPS growth | N/A | N/A |
| FCF margin | -28.83% | -55.07% |
| Operating margin | N/A | N/A |
| Profit margin | -78.60% | -227.13% |
| ROIC proxy | -13.20% | -128.79% |
| Return on equity | -13.20% | -128.79% |
| Dividend yield | 0.00% | 0.00% |
| Beta | 1.93 | 2.17 |
| Debt/equity | 3.62 | 130.53 |
| Current ratio | 10.70 | 2.36 |
| Quick ratio | 9.85 | 0.90 |
Drawdown & downside risk
Lower drawdown and smaller single-period drops generally indicate a smoother ride, though they do not guarantee lower future risk.
1Y risk snapshot
BLDP max drawdown57.92%
PLUG max drawdown56.66%
BLDP max wkly drop30.64%
PLUG max wkly drop30.40%
5Y risk snapshot
BLDP max drawdown94.73%
PLUG max drawdown98.43%
BLDP max wkly drop34.13%
PLUG max wkly drop46.68%
10Y risk snapshot
BLDP max drawdown97.51%
PLUG max drawdown99.04%
BLDP max wkly drop34.13%
PLUG max wkly drop46.68%
Performance metrics by period
| Period | Metric | BLDP | PLUG |
|---|---|---|---|
| 1Y | Growth | +45.92% | +30.91% |
| CAGR | +45.96% | +30.93% | |
| Sharpe ratio | 0.80 | 0.69 | |
| Max drawdown | 57.92% | 56.66% | |
| Max daily drop | 18.95% | 11.21% | |
| Max wkly drop | 30.64% | 30.40% | |
| 5Y | Growth | -82.36% | -91.69% |
| CAGR | -29.35% | -39.24% | |
| Sharpe ratio | -0.22 | -0.11 | |
| Max drawdown | 94.73% | 98.43% | |
| Max daily drop | 19.16% | 40.47% | |
| Max wkly drop | 34.13% | 46.68% | |
| 10Y | Growth | +33.58% | +22.03% |
| CAGR | +2.94% | +2.01% | |
| Sharpe ratio | 0.32 | 0.40 | |
| Max drawdown | 97.51% | 99.04% | |
| Max daily drop | 21.89% | 40.47% | |
| Max wkly drop | 34.13% | 46.68% |
Business comparison
| Category | BLDP | PLUG |
|---|---|---|
| Company | Ballard Power Systems, Inc. | Plug Power Inc. |
| Sector | Clean Energy | Clean Energy |
| Industry | N/A | N/A |
| Core business | Canadian fuel cell technology company specializing in proton exchange membrane (PEM) fuel cells for heavy transportation (buses, trucks, trains, marine) and stationary power. Ballard licenses technology and sells fuel cell modules globally with a focus on long-duration commercial markets. | US hydrogen and fuel cell company with products spanning electrolyzer systems (for green hydrogen production), hydrogen fuel cell forklifts and material handling vehicles, and hydrogen liquefaction infrastructure. Plug is building a vertically integrated green hydrogen ecosystem. |
| Investor focus | Heavy transportation fuel cell order volume, China bus market traction, technology licensing revenue, and commercialization milestone timing. | Green hydrogen electrolyzer deployment, material handling fleet electrification, hydrogen liquefaction plant build-out, and path from significant cash burn to profitability. |
BLDP strengths
- →Ballard is a technology leader in PEM fuel cells for heavy transportation with 35+ years of R&D depth
- →China bus market has been a meaningful commercial market for Ballard fuel cell modules through local JV partnerships
- →Asset-light licensing model allows Ballard to scale revenue without full manufacturing buildout
PLUG strengths
- →Plug is the clear market leader in fuel cell-powered forklifts and material handling, with Amazon, Walmart, and Home Depot as major customers
- →Vertical integration strategy from hydrogen production through electrolyzer, liquefaction, and delivery could enable better economics long-term
- →US Inflation Reduction Act hydrogen production tax credits ($3/kg) are a significant tailwind for Plug's green hydrogen business
Risks to watch — BLDP
- →Ballard has been pre-revenue at scale for many years — commercialization has been slower than expected across all target markets
- →Competition from battery-electric drivetrains in buses and trucks threatens the heavy transportation fuel cell market
- →Ballard's dependence on government subsidies and policy support for hydrogen adoption creates regulatory risk
Risks to watch — PLUG
- →Plug has burned through massive amounts of cash and has raised significant equity capital at dilutive prices — financial sustainability concerns are real
- →Green hydrogen production costs remain well above fossil fuel hydrogen — widespread adoption requires sustained policy support
- →Electrolyzer deployment has been slower than management guidance — execution risk is high
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