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Side-by-side financial comparison of Ballard Power Systems Inc. (BLDP) and PERMA FIX ENVIRONMENTAL SERVICES INC (PESI). Click either name above to swap in a different company.

Ballard Power Systems Inc. is the larger business by last-quarter revenue ($17.7M vs $15.7M, roughly 1.1× PERMA FIX ENVIRONMENTAL SERVICES INC). Ballard Power Systems Inc. runs the higher net margin — 994.4% vs -36.0%, a 1030.4% gap on every dollar of revenue.

Ballard Power Systems Inc. is a developer and manufacturer of proton exchange membrane (PEM) fuel cell products for markets such as heavy-duty motive, portable power, material handling as well as engineering services. Ballard has designed and shipped over 400 MW of fuel cell products to date.

Perma-Fix Environmental Services Inc provides end-to-end environmental and waste management solutions, specializing in the treatment, processing, and disposal of hazardous, radioactive, and mixed waste streams. It serves U.S. federal government agencies, nuclear facility operators, and industrial clients across the energy, manufacturing, and defense segments.

BLDP vs PESI — Head-to-Head

Bigger by revenue
BLDP
BLDP
1.1× larger
BLDP
$17.7M
$15.7M
PESI
Higher net margin
BLDP
BLDP
1030.4% more per $
BLDP
994.4%
-36.0%
PESI

Income Statement — Q3 FY2025 vs Q4 FY2025

Metric
BLDP
BLDP
PESI
PESI
Revenue
$17.7M
$15.7M
Net Profit
$176.5M
$-5.7M
Gross Margin
7.7%
Operating Margin
-20.6%
Net Margin
994.4%
-36.0%
Revenue YoY
6.9%
Net Profit YoY
-62.2%
EPS (diluted)
$-0.31

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
BLDP
BLDP
PESI
PESI
Q4 25
$15.7M
Q3 25
$17.7M
$17.5M
Q2 25
$14.6M
Q1 25
$13.9M
Q4 24
$14.7M
Q3 24
$-12.3M
$16.8M
Q2 24
$14.0M
Q1 24
$13.6M
Net Profit
BLDP
BLDP
PESI
PESI
Q4 25
$-5.7M
Q3 25
$176.5M
$-1.8M
Q2 25
$-2.7M
Q1 25
$-3.6M
Q4 24
$-3.5M
Q3 24
$-9.0M
Q2 24
$-4.0M
Q1 24
$-3.6M
Gross Margin
BLDP
BLDP
PESI
PESI
Q4 25
7.7%
Q3 25
14.6%
Q2 25
10.6%
Q1 25
4.7%
Q4 24
4.0%
Q3 24
156.5%
7.9%
Q2 24
-9.3%
Q1 24
-4.6%
Operating Margin
BLDP
BLDP
PESI
PESI
Q4 25
-20.6%
Q3 25
-10.7%
Q2 25
-19.8%
Q1 25
-26.8%
Q4 24
-24.4%
Q3 24
-15.5%
Q2 24
-36.0%
Q1 24
-32.8%
Net Margin
BLDP
BLDP
PESI
PESI
Q4 25
-36.0%
Q3 25
994.4%
-10.5%
Q2 25
-18.6%
Q1 25
-25.7%
Q4 24
-23.7%
Q3 24
-53.4%
Q2 24
-28.2%
Q1 24
-26.1%
EPS (diluted)
BLDP
BLDP
PESI
PESI
Q4 25
$-0.31
Q3 25
$-0.10
Q2 25
$-0.15
Q1 25
$-0.19
Q4 24
$-0.23
Q3 24
$-0.57
Q2 24
$-0.27
Q1 24
$-0.26

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
BLDP
BLDP
PESI
PESI
Cash + ST InvestmentsLiquidity on hand
Total DebtLower is stronger
$1.9M
Stockholders' EquityBook value
$50.1M
Total Assets
$88.0M
Debt / EquityLower = less leverage
0.04×

8-quarter trend — quarters aligned by calendar period.

Total Debt
BLDP
BLDP
PESI
PESI
Q4 25
$1.9M
Q3 25
$1.9M
Q2 25
$2.0M
Q1 25
$2.2M
Q4 24
$2.3M
Q3 24
$2.5M
Q2 24
$2.2M
Q1 24
$2.5M
Stockholders' Equity
BLDP
BLDP
PESI
PESI
Q4 25
$50.1M
Q3 25
$55.4M
Q2 25
$56.8M
Q1 25
$59.2M
Q4 24
$62.4M
Q3 24
$42.4M
Q2 24
$51.0M
Q1 24
$36.2M
Total Assets
BLDP
BLDP
PESI
PESI
Q4 25
$88.0M
Q3 25
$91.2M
Q2 25
$90.2M
Q1 25
$92.9M
Q4 24
$97.2M
Q3 24
$78.2M
Q2 24
$87.0M
Q1 24
$74.0M
Debt / Equity
BLDP
BLDP
PESI
PESI
Q4 25
0.04×
Q3 25
0.03×
Q2 25
0.04×
Q1 25
0.04×
Q4 24
0.04×
Q3 24
0.06×
Q2 24
0.04×
Q1 24
0.07×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
BLDP
BLDP
PESI
PESI
Operating Cash FlowLast quarter
$5.7M
$-2.1M
Free Cash FlowOCF − Capex
$-4.2M
FCF MarginFCF / Revenue
-26.9%
Capex IntensityCapex / Revenue
13.4%
Cash ConversionOCF / Net Profit
0.03×
TTM Free Cash FlowTrailing 4 quarters
$-15.5M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
BLDP
BLDP
PESI
PESI
Q4 25
$-2.1M
Q3 25
$5.7M
$-4.6M
Q2 25
$-1.9M
Q1 25
$-2.1M
Q4 24
$-3.3M
Q3 24
$-6.6M
$-5.6M
Q2 24
$-1.3M
Q1 24
$-4.5M
Free Cash Flow
BLDP
BLDP
PESI
PESI
Q4 25
$-4.2M
Q3 25
$-5.8M
Q2 25
$-2.8M
Q1 25
$-2.6M
Q4 24
$-4.5M
Q3 24
$-7.0M
Q2 24
$-1.9M
Q1 24
$-4.8M
FCF Margin
BLDP
BLDP
PESI
PESI
Q4 25
-26.9%
Q3 25
-33.3%
Q2 25
-19.2%
Q1 25
-18.9%
Q4 24
-30.5%
Q3 24
-41.7%
Q2 24
-13.5%
Q1 24
-35.0%
Capex Intensity
BLDP
BLDP
PESI
PESI
Q4 25
13.4%
Q3 25
6.7%
Q2 25
6.2%
Q1 25
3.8%
Q4 24
8.0%
Q3 24
8.2%
Q2 24
4.3%
Q1 24
1.8%
Cash Conversion
BLDP
BLDP
PESI
PESI
Q4 25
Q3 25
0.03×
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

BLDP
BLDP

Segment breakdown not available.

PESI
PESI

Fixed Price$11.4M73%
Services$4.3M27%

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