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Side-by-side financial comparison of Canadian Solar Inc. (CSIQ) and First Solar (FSLR). Click either name above to swap in a different company.

Canadian Solar Inc. is the larger business by last-quarter revenue ($4.5B vs $1.0B, roughly 4.3× First Solar). First Solar runs the higher net margin — 33.2% vs 1.3%, a 31.9% 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.

First Solar, Inc. is a publicly traded American manufacturer of solar panels. First Solar uses rigid thin-film modules for its solar panels, and produces CdTe panels using cadmium telluride (CdTe) as a semiconductor. The company was founded in 1990 by inventor Harold McMaster as Solar Cells, Inc. In 1999 it was purchased by True North Partners, LLC, which rebranded it as First Solar, Inc. It provides end-of-life panel recycling at each of its manufacturing facilities.

CSIQ vs FSLR — Head-to-Head

Bigger by revenue
CSIQ
CSIQ
4.3× larger
CSIQ
$4.5B
$1.0B
FSLR
Higher net margin
FSLR
FSLR
31.9% more per $
FSLR
33.2%
1.3%
CSIQ

Income Statement — Q3 FY2025 vs Q1 FY2026

Metric
CSIQ
CSIQ
FSLR
FSLR
Revenue
$4.5B
$1.0B
Net Profit
$57.6M
$346.6M
Gross Margin
17.5%
46.6%
Operating Margin
2.2%
33.1%
Net Margin
1.3%
33.2%
Revenue YoY
23.6%
Net Profit YoY
65.4%
EPS (diluted)
$3.22

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
CSIQ
CSIQ
FSLR
FSLR
Q1 26
$1.0B
Q4 25
$1.7B
Q3 25
$4.5B
$1.6B
Q2 25
$3.0B
$1.1B
Q1 25
$1.3B
$844.6M
Q4 24
$1.5B
Q3 24
$5.9B
$887.7M
Q2 24
$4.1B
$1.0B
Net Profit
CSIQ
CSIQ
FSLR
FSLR
Q1 26
$346.6M
Q4 25
$520.9M
Q3 25
$57.6M
$455.9M
Q2 25
$63.6M
$341.9M
Q1 25
$36.2M
$209.5M
Q4 24
$393.1M
Q3 24
$366.8M
$313.0M
Q2 24
$304.4M
$349.4M
Gross Margin
CSIQ
CSIQ
FSLR
FSLR
Q1 26
46.6%
Q4 25
39.5%
Q3 25
17.5%
38.3%
Q2 25
18.0%
45.6%
Q1 25
19.0%
40.8%
Q4 24
37.5%
Q3 24
18.0%
50.2%
Q2 24
18.7%
49.4%
Operating Margin
CSIQ
CSIQ
FSLR
FSLR
Q1 26
33.1%
Q4 25
32.6%
Q3 25
2.2%
29.2%
Q2 25
3.3%
33.0%
Q1 25
3.7%
26.2%
Q4 24
30.2%
Q3 24
7.7%
36.3%
Q2 24
9.1%
36.9%
Net Margin
CSIQ
CSIQ
FSLR
FSLR
Q1 26
33.2%
Q4 25
31.0%
Q3 25
1.3%
28.6%
Q2 25
2.1%
31.2%
Q1 25
2.7%
24.8%
Q4 24
26.0%
Q3 24
6.2%
35.3%
Q2 24
7.5%
34.6%
EPS (diluted)
CSIQ
CSIQ
FSLR
FSLR
Q1 26
$3.22
Q4 25
$4.84
Q3 25
$4.24
Q2 25
$3.18
Q1 25
$1.95
Q4 24
$3.66
Q3 24
$2.91
Q2 24
$3.25

Balance Sheet & Financial Strength

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

Metric
CSIQ
CSIQ
FSLR
FSLR
Cash + ST InvestmentsLiquidity on hand
$1.7B
$2.4B
Total DebtLower is stronger
$425.8M
Stockholders' EquityBook value
$3.9B
$9.9B
Total Assets
$13.5B
$13.4B
Debt / EquityLower = less leverage
0.04×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CSIQ
CSIQ
FSLR
FSLR
Q1 26
$2.4B
Q4 25
$2.8B
Q3 25
$1.7B
$2.0B
Q2 25
$1.7B
$1.1B
Q1 25
$1.7B
$837.6M
Q4 24
$1.6B
Q3 24
$1.9B
$1.0B
Q2 24
$1.9B
$1.7B
Total Debt
CSIQ
CSIQ
FSLR
FSLR
Q1 26
$425.8M
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Stockholders' Equity
CSIQ
CSIQ
FSLR
FSLR
Q1 26
$9.9B
Q4 25
$9.5B
Q3 25
$3.9B
$9.0B
Q2 25
$3.9B
$8.5B
Q1 25
$3.9B
$8.2B
Q4 24
$8.0B
Q3 24
$3.7B
$7.6B
Q2 24
$3.7B
$7.3B
Total Assets
CSIQ
CSIQ
FSLR
FSLR
Q1 26
$13.4B
Q4 25
$13.3B
Q3 25
$13.5B
$13.5B
Q2 25
$13.5B
$12.9B
Q1 25
$13.5B
$12.1B
Q4 24
$12.1B
Q3 24
$11.9B
$11.4B
Q2 24
$11.9B
$11.0B
Debt / Equity
CSIQ
CSIQ
FSLR
FSLR
Q1 26
0.04×
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24

Cash Flow & Capital Efficiency

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

Metric
CSIQ
CSIQ
FSLR
FSLR
Operating Cash FlowLast quarter
$-187.7M
$-214.9M
Free Cash FlowOCF − Capex
FCF MarginFCF / Revenue
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
-3.26×
-0.62×
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CSIQ
CSIQ
FSLR
FSLR
Q1 26
$-214.9M
Q4 25
$1.2B
Q3 25
$-187.7M
$1.3B
Q2 25
$149.6M
Q1 25
$-608.0M
Q4 24
$811.0M
Q3 24
$-53.7M
Q2 24
$193.0M
Free Cash Flow
CSIQ
CSIQ
FSLR
FSLR
Q1 26
Q4 25
$1.1B
Q3 25
$1.1B
Q2 25
$-138.6M
Q1 25
$-813.9M
Q4 24
$497.5M
Q3 24
$-487.7M
Q2 24
$-172.1M
FCF Margin
CSIQ
CSIQ
FSLR
FSLR
Q1 26
Q4 25
63.6%
Q3 25
67.1%
Q2 25
-12.6%
Q1 25
-96.4%
Q4 24
32.9%
Q3 24
-54.9%
Q2 24
-17.0%
Capex Intensity
CSIQ
CSIQ
FSLR
FSLR
Q1 26
Q4 25
10.2%
Q3 25
12.8%
Q2 25
26.3%
Q1 25
24.4%
Q4 24
20.7%
Q3 24
48.9%
Q2 24
36.1%
Cash Conversion
CSIQ
CSIQ
FSLR
FSLR
Q1 26
-0.62×
Q4 25
2.38×
Q3 25
-3.26×
2.79×
Q2 25
0.44×
Q1 25
-2.90×
Q4 24
2.06×
Q3 24
-0.17×
Q2 24
0.55×

Financial Flow Comparison

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

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