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Side-by-side financial comparison of Canadian Solar Inc. (CSIQ) and MASTEC INC (MTZ). Click either name above to swap in a different company.
Canadian Solar Inc. is the larger business by last-quarter revenue ($4.5B vs $3.9B, roughly 1.1× MASTEC INC). MASTEC INC runs the higher net margin — 3.6% vs 1.3%, a 2.3% gap on every dollar of revenue.
Canadian Solar Inc. is a global renewable energy company. Headquartered in Kitchener, Ontario, the company manufactures solar PV modules, provides battery energy storage solutions and develops utility-scale solar power and battery energy storage projects.
Mastec, Inc. is an American infrastructure engineering and construction company based in Coral Gables, Florida. The company provides engineering, building, installation, maintenance and upgrade of energy, utility and communications infrastructure. Its customers are primarily in the utility, communications and government industries.
CSIQ vs MTZ — Head-to-Head
Income Statement — Q3 FY2025 vs Q4 FY2025
| Metric | | |
|---|---|---|
| Revenue | $4.5B | $3.9B |
| Net Profit | $57.6M | $142.7M |
| Gross Margin | 17.5% | — |
| Operating Margin | 2.2% | 4.4% |
| Net Margin | 1.3% | 3.6% |
| Revenue YoY | — | 15.8% |
| Net Profit YoY | — | 90.9% |
| EPS (diluted) | — | $1.81 |
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.
| Q4 25 | — | $3.9B | ||
| Q3 25 | $4.5B | $4.0B | ||
| Q2 25 | $3.0B | $3.5B | ||
| Q1 25 | $1.3B | $2.8B | ||
| Q4 24 | — | $3.4B | ||
| Q3 24 | $5.9B | $3.3B | ||
| Q2 24 | $4.1B | $3.0B | ||
| Q1 24 | — | $2.7B |
| Q4 25 | — | $142.7M | ||
| Q3 25 | $57.6M | $160.7M | ||
| Q2 25 | $63.6M | $85.8M | ||
| Q1 25 | $36.2M | $9.9M | ||
| Q4 24 | — | $74.7M | ||
| Q3 24 | $366.8M | $95.2M | ||
| Q2 24 | $304.4M | $34.0M | ||
| Q1 24 | — | $-41.2M |
| Q4 25 | — | — | ||
| Q3 25 | 17.5% | — | ||
| Q2 25 | 18.0% | — | ||
| Q1 25 | 19.0% | — | ||
| Q4 24 | — | — | ||
| Q3 24 | 18.0% | — | ||
| Q2 24 | 18.7% | — | ||
| Q1 24 | — | — |
| Q4 25 | — | 4.4% | ||
| Q3 25 | 2.2% | 5.3% | ||
| Q2 25 | 3.3% | 3.4% | ||
| Q1 25 | 3.7% | 0.3% | ||
| Q4 24 | — | 2.8% | ||
| Q3 24 | 7.7% | 4.2% | ||
| Q2 24 | 9.1% | 2.1% | ||
| Q1 24 | — | -1.7% |
| Q4 25 | — | 3.6% | ||
| Q3 25 | 1.3% | 4.0% | ||
| Q2 25 | 2.1% | 2.4% | ||
| Q1 25 | 2.7% | 0.3% | ||
| Q4 24 | — | 2.2% | ||
| Q3 24 | 6.2% | 2.9% | ||
| Q2 24 | 7.5% | 1.1% | ||
| Q1 24 | — | -1.5% |
| Q4 25 | — | $1.81 | ||
| Q3 25 | — | $2.04 | ||
| Q2 25 | — | $1.09 | ||
| Q1 25 | — | $0.13 | ||
| Q4 24 | — | $0.95 | ||
| Q3 24 | — | $1.21 | ||
| Q2 24 | — | $0.43 | ||
| Q1 24 | — | $-0.53 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $1.7B | $396.0M |
| Total DebtLower is stronger | — | $2.2B |
| Stockholders' EquityBook value | $3.9B | $3.3B |
| Total Assets | $13.5B | $9.9B |
| Debt / EquityLower = less leverage | — | 0.67× |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | — | $396.0M | ||
| Q3 25 | $1.7B | $231.4M | ||
| Q2 25 | $1.7B | $191.1M | ||
| Q1 25 | $1.7B | $345.7M | ||
| Q4 24 | — | $399.9M | ||
| Q3 24 | $1.9B | $181.2M | ||
| Q2 24 | $1.9B | $297.6M | ||
| Q1 24 | — | $249.3M |
| Q4 25 | — | $2.2B | ||
| Q3 25 | — | $2.2B | ||
| Q2 25 | — | $2.1B | ||
| Q1 25 | — | $2.0B | ||
| Q4 24 | — | $2.0B | ||
| Q3 24 | — | $2.1B | ||
| Q2 24 | — | $2.4B | ||
| Q1 24 | — | $2.5B |
| Q4 25 | — | $3.3B | ||
| Q3 25 | $3.9B | $3.1B | ||
| Q2 25 | $3.9B | $2.9B | ||
| Q1 25 | $3.9B | $2.9B | ||
| Q4 24 | — | $2.9B | ||
| Q3 24 | $3.7B | $2.8B | ||
| Q2 24 | $3.7B | $2.7B | ||
| Q1 24 | — | $2.7B |
| Q4 25 | — | $9.9B | ||
| Q3 25 | $13.5B | $9.7B | ||
| Q2 25 | $13.5B | $9.1B | ||
| Q1 25 | $13.5B | $8.9B | ||
| Q4 24 | — | $9.0B | ||
| Q3 24 | $11.9B | $8.8B | ||
| Q2 24 | $11.9B | $8.7B | ||
| Q1 24 | — | $8.7B |
| Q4 25 | — | 0.67× | ||
| Q3 25 | — | 0.71× | ||
| Q2 25 | — | 0.71× | ||
| Q1 25 | — | 0.71× | ||
| Q4 24 | — | 0.70× | ||
| Q3 24 | — | 0.76× | ||
| Q2 24 | — | 0.87× | ||
| Q1 24 | — | 0.95× |
Cash Flow & Capital Efficiency
How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.
| Metric | | |
|---|---|---|
| Operating Cash FlowLast quarter | $-187.7M | $372.7M |
| Free Cash FlowOCF − Capex | — | $292.5M |
| FCF MarginFCF / Revenue | — | 7.4% |
| Capex IntensityCapex / Revenue | — | 2.0% |
| Cash ConversionOCF / Net Profit | -3.26× | 2.61× |
| TTM Free Cash FlowTrailing 4 quarters | — | $285.7M |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | — | $372.7M | ||
| Q3 25 | $-187.7M | $89.0M | ||
| Q2 25 | — | $5.6M | ||
| Q1 25 | — | $78.4M | ||
| Q4 24 | — | $471.7M | ||
| Q3 24 | — | $277.7M | ||
| Q2 24 | — | $264.4M | ||
| Q1 24 | — | $107.8M |
| Q4 25 | — | $292.5M | ||
| Q3 25 | — | $20.3M | ||
| Q2 25 | — | $-58.2M | ||
| Q1 25 | — | $31.1M | ||
| Q4 24 | — | $423.4M | ||
| Q3 24 | — | $234.1M | ||
| Q2 24 | — | $232.9M | ||
| Q1 24 | — | $82.3M |
| Q4 25 | — | 7.4% | ||
| Q3 25 | — | 0.5% | ||
| Q2 25 | — | -1.6% | ||
| Q1 25 | — | 1.1% | ||
| Q4 24 | — | 12.4% | ||
| Q3 24 | — | 7.2% | ||
| Q2 24 | — | 7.9% | ||
| Q1 24 | — | 3.1% |
| Q4 25 | — | 2.0% | ||
| Q3 25 | — | 1.7% | ||
| Q2 25 | — | 1.8% | ||
| Q1 25 | — | 1.7% | ||
| Q4 24 | — | 1.4% | ||
| Q3 24 | — | 1.3% | ||
| Q2 24 | — | 1.1% | ||
| Q1 24 | — | 0.9% |
| Q4 25 | — | 2.61× | ||
| Q3 25 | -3.26× | 0.55× | ||
| Q2 25 | — | 0.07× | ||
| Q1 25 | — | 7.91× | ||
| Q4 24 | — | 6.31× | ||
| Q3 24 | — | 2.92× | ||
| Q2 24 | — | 7.78× | ||
| Q1 24 | — | — |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
CSIQ
Segment breakdown not available.
MTZ
| Clean Energy And Infrastructure | $1.3B | 33% |
| Power Delivery | $1.1B | 28% |
| Communications | $906.7M | 23% |
| Pipeline Infrastructure | $643.8M | 16% |
