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Side-by-side financial comparison of ORION ENERGY SYSTEMS, INC. (OESX) and WESTPORT FUEL SYSTEMS INC. (WPRT). Click either name above to swap in a different company.

ORION ENERGY SYSTEMS, INC. is the larger business by last-quarter revenue ($21.1M vs $12.5M, roughly 1.7× WESTPORT FUEL SYSTEMS INC.). ORION ENERGY SYSTEMS, INC. runs the higher net margin — 0.8% vs -274.8%, a 275.6% gap on every dollar of revenue. On growth, ORION ENERGY SYSTEMS, INC. posted the faster year-over-year revenue change (7.7% vs -11.4%). ORION ENERGY SYSTEMS, INC. produced more free cash flow last quarter ($-1.1M vs $-6.4M).

Orion Energy Systems, Inc. is an American LED lighting and intelligent controls enterprise, founded in Plymouth, Wisconsin, and headquartered in Manitowoc, Wisconsin

Westport Innovations is a company that develops alternative fuel, low-emissions technologies to allow engines to operate on clean-burning fuels such as compressed natural gas (CNG), liquefied natural gas (LNG), hydrogen and biofuels such as landfill gas. Headquartered in Vancouver, British Columbia, Canada, where the company was founded, Westport also has facilities in France, Sweden, Italy, China, Australia and the United States.

OESX vs WPRT — Head-to-Head

Bigger by revenue
OESX
OESX
1.7× larger
OESX
$21.1M
$12.5M
WPRT
Growing faster (revenue YoY)
OESX
OESX
+19.1% gap
OESX
7.7%
-11.4%
WPRT
Higher net margin
OESX
OESX
275.6% more per $
OESX
0.8%
-274.8%
WPRT
More free cash flow
OESX
OESX
$5.3M more FCF
OESX
$-1.1M
$-6.4M
WPRT

Income Statement — Q3 FY2026 vs Q2 FY2025

Metric
OESX
OESX
WPRT
WPRT
Revenue
$21.1M
$12.5M
Net Profit
$160.0K
$-34.3M
Gross Margin
30.9%
6.7%
Operating Margin
1.8%
-8.1%
Net Margin
0.8%
-274.8%
Revenue YoY
7.7%
-11.4%
Net Profit YoY
110.6%
-690.4%
EPS (diluted)
$0.04
$-1.98

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
OESX
OESX
WPRT
WPRT
Q4 25
$21.1M
Q3 25
$19.9M
Q2 25
$19.6M
$12.5M
Q1 25
$20.9M
Q4 24
$19.6M
Q3 24
$19.4M
$4.9M
Q2 24
$19.9M
$14.1M
Q1 24
$26.4M
Net Profit
OESX
OESX
WPRT
WPRT
Q4 25
$160.0K
Q3 25
$-581.0K
Q2 25
$-1.2M
$-34.3M
Q1 25
$-2.9M
Q4 24
$-1.5M
Q3 24
$-3.6M
$-3.9M
Q2 24
$-3.8M
$5.8M
Q1 24
$1.6M
Gross Margin
OESX
OESX
WPRT
WPRT
Q4 25
30.9%
Q3 25
31.0%
Q2 25
30.1%
6.7%
Q1 25
27.4%
Q4 24
29.4%
Q3 24
23.1%
13.6%
Q2 24
21.6%
16.7%
Q1 24
25.8%
Operating Margin
OESX
OESX
WPRT
WPRT
Q4 25
1.8%
Q3 25
-1.2%
Q2 25
-5.2%
-8.1%
Q1 25
-12.7%
Q4 24
-6.4%
Q3 24
-16.9%
-43.9%
Q2 24
-17.2%
-54.9%
Q1 24
6.8%
Net Margin
OESX
OESX
WPRT
WPRT
Q4 25
0.8%
Q3 25
-2.9%
Q2 25
-6.4%
-274.8%
Q1 25
-13.9%
Q4 24
-7.7%
Q3 24
-18.7%
-79.3%
Q2 24
-18.9%
41.2%
Q1 24
6.1%
EPS (diluted)
OESX
OESX
WPRT
WPRT
Q4 25
$0.04
Q3 25
$-0.17
Q2 25
$-0.04
$-1.98
Q1 25
$1.32
Q4 24
$-0.46
Q3 24
$-1.10
$-0.22
Q2 24
$-0.12
$0.34
Q1 24
$0.06

Balance Sheet & Financial Strength

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

Metric
OESX
OESX
WPRT
WPRT
Cash + ST InvestmentsLiquidity on hand
$4.7M
$6.1M
Total DebtLower is stronger
$9.8M
$977.0K
Stockholders' EquityBook value
$11.8M
$108.9M
Total Assets
$48.3M
$272.1M
Debt / EquityLower = less leverage
0.83×
0.01×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
OESX
OESX
WPRT
WPRT
Q4 25
$4.7M
Q3 25
$5.2M
Q2 25
$3.6M
$6.1M
Q1 25
$6.0M
Q4 24
$7.5M
Q3 24
$5.4M
Q2 24
$5.7M
Q1 24
$5.2M
Total Debt
OESX
OESX
WPRT
WPRT
Q4 25
$9.8M
Q3 25
$9.9M
Q2 25
$8.5M
$977.0K
Q1 25
$10.3M
Q4 24
Q3 24
$12.5M
Q2 24
$13.5M
Q1 24
$10.0M
Stockholders' Equity
OESX
OESX
WPRT
WPRT
Q4 25
$11.8M
Q3 25
$11.4M
Q2 25
$10.8M
$108.9M
Q1 25
$11.9M
Q4 24
$14.5M
Q3 24
$15.8M
$149.3M
Q2 24
$19.1M
$151.5M
Q1 24
$22.5M
Total Assets
OESX
OESX
WPRT
WPRT
Q4 25
$48.3M
Q3 25
$47.9M
Q2 25
$49.0M
$272.1M
Q1 25
$52.5M
Q4 24
$52.7M
Q3 24
$56.3M
Q2 24
$59.8M
Q1 24
$63.2M
Debt / Equity
OESX
OESX
WPRT
WPRT
Q4 25
0.83×
Q3 25
0.87×
Q2 25
0.79×
0.01×
Q1 25
0.87×
Q4 24
Q3 24
0.79×
Q2 24
0.71×
Q1 24
0.44×

Cash Flow & Capital Efficiency

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

Metric
OESX
OESX
WPRT
WPRT
Operating Cash FlowLast quarter
$-897.0K
$-5.6M
Free Cash FlowOCF − Capex
$-1.1M
$-6.4M
FCF MarginFCF / Revenue
-5.4%
-51.6%
Capex IntensityCapex / Revenue
1.2%
6.6%
Cash ConversionOCF / Net Profit
-5.61×
TTM Free Cash FlowTrailing 4 quarters
$-905.0K

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
OESX
OESX
WPRT
WPRT
Q4 25
$-897.0K
Q3 25
$1.8M
Q2 25
$-515.0K
$-5.6M
Q1 25
$-699.0K
Q4 24
$3.8M
Q3 24
$498.0K
$-11.7M
Q2 24
$-3.0M
$1.5M
Q1 24
$175.0K
Free Cash Flow
OESX
OESX
WPRT
WPRT
Q4 25
$-1.1M
Q3 25
$1.6M
Q2 25
$-570.0K
$-6.4M
Q1 25
$-750.0K
Q4 24
$3.7M
Q3 24
$493.0K
$-11.9M
Q2 24
$-3.0M
$262.0K
Q1 24
$144.0K
FCF Margin
OESX
OESX
WPRT
WPRT
Q4 25
-5.4%
Q3 25
7.9%
Q2 25
-2.9%
-51.6%
Q1 25
-3.6%
Q4 24
19.1%
Q3 24
2.5%
-243.4%
Q2 24
-15.0%
1.9%
Q1 24
0.5%
Capex Intensity
OESX
OESX
WPRT
WPRT
Q4 25
1.2%
Q3 25
1.3%
Q2 25
0.3%
6.6%
Q1 25
0.2%
Q4 24
0.1%
Q3 24
0.0%
3.8%
Q2 24
0.1%
8.9%
Q1 24
0.1%
Cash Conversion
OESX
OESX
WPRT
WPRT
Q4 25
-5.61×
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
0.26×
Q1 24
0.11×

Financial Flow Comparison

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

Revenue Breakdown by Segment

OESX
OESX

Lighting Product And Installation$11.9M56%
Electric Vehicle Charging Systems$4.7M22%
Maintenance Services$4.4M21%

WPRT
WPRT

Segment breakdown not available.

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