vs

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

Canadian Solar Inc. is the larger business by last-quarter revenue ($4.5B vs $3.8B, roughly 1.2× Williams Companies). Williams Companies runs the higher net margin — 19.1% vs 1.3%, a 17.8% 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.

The Williams Companies, Inc. is an American energy company based in Tulsa, Oklahoma. Its core business is natural gas processing and transportation, with additional petroleum and electricity generation assets. A Fortune 500 company, its common stock is a component of the S&P 500.

CSIQ vs WMB — Head-to-Head

Bigger by revenue
CSIQ
CSIQ
1.2× larger
CSIQ
$4.5B
$3.8B
WMB
Higher net margin
WMB
WMB
17.8% more per $
WMB
19.1%
1.3%
CSIQ

Income Statement — Q3 FY2025 vs Q4 FY2025

Metric
CSIQ
CSIQ
WMB
WMB
Revenue
$4.5B
$3.8B
Net Profit
$57.6M
$734.0M
Gross Margin
17.5%
Operating Margin
2.2%
27.3%
Net Margin
1.3%
19.1%
Revenue YoY
12.7%
Net Profit YoY
51.0%
EPS (diluted)
$0.60

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
WMB
WMB
Q4 25
$3.8B
Q3 25
$4.5B
$3.5B
Q2 25
$3.0B
$3.4B
Q1 25
$1.3B
$4.2B
Q4 24
$3.4B
Q3 24
$5.9B
$3.0B
Q2 24
$4.1B
$2.8B
Q1 24
$3.3B
Net Profit
CSIQ
CSIQ
WMB
WMB
Q4 25
$734.0M
Q3 25
$57.6M
$647.0M
Q2 25
$63.6M
$546.0M
Q1 25
$36.2M
$691.0M
Q4 24
$486.0M
Q3 24
$366.8M
$706.0M
Q2 24
$304.4M
$401.0M
Q1 24
$632.0M
Gross Margin
CSIQ
CSIQ
WMB
WMB
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
Operating Margin
CSIQ
CSIQ
WMB
WMB
Q4 25
27.3%
Q3 25
2.2%
31.8%
Q2 25
3.3%
28.0%
Q1 25
3.7%
26.1%
Q4 24
23.2%
Q3 24
7.7%
27.6%
Q2 24
9.1%
24.4%
Q1 24
30.3%
Net Margin
CSIQ
CSIQ
WMB
WMB
Q4 25
19.1%
Q3 25
1.3%
18.5%
Q2 25
2.1%
16.2%
Q1 25
2.7%
16.5%
Q4 24
14.2%
Q3 24
6.2%
23.3%
Q2 24
7.5%
14.1%
Q1 24
18.9%
EPS (diluted)
CSIQ
CSIQ
WMB
WMB
Q4 25
$0.60
Q3 25
$0.53
Q2 25
$0.45
Q1 25
$0.56
Q4 24
$0.39
Q3 24
$0.58
Q2 24
$0.33
Q1 24
$0.52

Balance Sheet & Financial Strength

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

Metric
CSIQ
CSIQ
WMB
WMB
Cash + ST InvestmentsLiquidity on hand
$1.7B
Total DebtLower is stronger
$27.3B
Stockholders' EquityBook value
$3.9B
$12.8B
Total Assets
$13.5B
$58.6B
Debt / EquityLower = less leverage
2.13×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CSIQ
CSIQ
WMB
WMB
Q4 25
Q3 25
$1.7B
Q2 25
$1.7B
Q1 25
$1.7B
Q4 24
Q3 24
$1.9B
Q2 24
$1.9B
Q1 24
Total Debt
CSIQ
CSIQ
WMB
WMB
Q4 25
$27.3B
Q3 25
$25.6B
Q2 25
$25.6B
Q1 25
$24.1B
Q4 24
$24.7B
Q3 24
$24.8B
Q2 24
$24.1B
Q1 24
$24.1B
Stockholders' Equity
CSIQ
CSIQ
WMB
WMB
Q4 25
$12.8B
Q3 25
$3.9B
$12.5B
Q2 25
$3.9B
$12.4B
Q1 25
$3.9B
$12.5B
Q4 24
$12.4B
Q3 24
$3.7B
$12.4B
Q2 24
$3.7B
$12.3B
Q1 24
$12.4B
Total Assets
CSIQ
CSIQ
WMB
WMB
Q4 25
$58.6B
Q3 25
$13.5B
$55.7B
Q2 25
$13.5B
$56.1B
Q1 25
$13.5B
$54.9B
Q4 24
$54.5B
Q3 24
$11.9B
$53.8B
Q2 24
$11.9B
$52.4B
Q1 24
$52.7B
Debt / Equity
CSIQ
CSIQ
WMB
WMB
Q4 25
2.13×
Q3 25
2.04×
Q2 25
2.06×
Q1 25
1.93×
Q4 24
1.99×
Q3 24
2.00×
Q2 24
1.96×
Q1 24
1.94×

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
WMB
WMB
Operating Cash FlowLast quarter
$-187.7M
$1.6B
Free Cash FlowOCF − Capex
$-379.0M
FCF MarginFCF / Revenue
-9.9%
Capex IntensityCapex / Revenue
50.9%
Cash ConversionOCF / Net Profit
-3.26×
2.15×
TTM Free Cash FlowTrailing 4 quarters
$1.0B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CSIQ
CSIQ
WMB
WMB
Q4 25
$1.6B
Q3 25
$-187.7M
$1.4B
Q2 25
$1.4B
Q1 25
$1.4B
Q4 24
$1.2B
Q3 24
$1.2B
Q2 24
$1.3B
Q1 24
$1.2B
Free Cash Flow
CSIQ
CSIQ
WMB
WMB
Q4 25
$-379.0M
Q3 25
$485.0M
Q2 25
$478.0M
Q1 25
$421.0M
Q4 24
$450.0M
Q3 24
$561.0M
Q2 24
$700.0M
Q1 24
$690.0M
FCF Margin
CSIQ
CSIQ
WMB
WMB
Q4 25
-9.9%
Q3 25
13.9%
Q2 25
14.2%
Q1 25
10.1%
Q4 24
13.2%
Q3 24
18.5%
Q2 24
24.6%
Q1 24
20.7%
Capex Intensity
CSIQ
CSIQ
WMB
WMB
Q4 25
50.9%
Q3 25
27.3%
Q2 25
28.8%
Q1 25
24.2%
Q4 24
22.5%
Q3 24
22.5%
Q2 24
20.3%
Q1 24
16.3%
Cash Conversion
CSIQ
CSIQ
WMB
WMB
Q4 25
2.15×
Q3 25
-3.26×
2.22×
Q2 25
2.66×
Q1 25
2.07×
Q4 24
2.51×
Q3 24
1.76×
Q2 24
3.19×
Q1 24
1.95×

Financial Flow Comparison

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

Revenue Breakdown by Segment

CSIQ
CSIQ

Segment breakdown not available.

WMB
WMB

Services$2.2B57%
Natural Gas Us Regulated$740.0M19%
West$730.0M19%
Non Regulated Service Commodity Consideration$51.0M1%
Natural Gas Gathering Transportation Marketing And Processing$45.0M1%
Affiliated Entity$23.0M1%
Other$14.0M0%
Other Service$11.0M0%

Related Comparisons