Which has grown faster, CSIQ or ENPH?

Over the past five years, ENPH grew revenue faster — CSIQ at a 2.21% CAGR versus ENPH at 4.60%.

Is CSIQ or ENPH more profitable?

ENPH runs the higher net margin — CSIQ at -3.73% versus ENPH at 10.09%.

How have CSIQ and ENPH total returns compared?

Over the past 10 years, CSIQ delivered -1.96% and ENPH delivered 39.45% annualized total return. Past performance doesn't predict future results.

Canadian Solar Inc. (CSIQ) vs Enphase Energy, Inc. (ENPH)

A side-by-side comparison of Canadian Solar Inc. and Enphase Energy, Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of October 2, 2026. Differences are shown without an overall score or investment verdict.

CSIQ

Canadian Solar Inc.

$765M

$11.27EnergyDelayed quote: Oct 2, 2026, 2:25 PM EDT

ENPH

Enphase Energy, Inc.

$4.42B

$33.43EnergyDelayed quote: Oct 2, 2026, 2:25 PM EDT

Total return — CSIQ vs ENPH

growth of $100 · dividends reinvested · last 10y

CSIQ -19.4% (-2.1%/yr)ENPH +2635.0% (+39.2%/yr)ENPH compounded faster over this window

Log scale — wide-divergence pair

CSIQ ENPH

CSIQ vs ENPH: by the numbers

•ENPH is the larger company ($4.42B vs $765M market cap).
•ENPH is profitable (10.09% net margin) while CSIQ runs a net loss (-3.73%).
•ENPH grew revenue faster over the past five years (4.60% vs 2.21% CAGR).

Metrics side by side

Valuation

Metric	CSIQ	ENPH
P/E ratio	N/A	33.42
Forward P/E	N/A	16.73
PEG ratio	N/A	5.30
P/S ratio	0.15	3.32
P/B ratio	0.28	3.74
EV / EBITDA	66.03	23.75
FCF yield	N/A	3.46%

Profitability

Metric	CSIQ	ENPH
Gross margin	16.43%	46.95%
Operating margin	-0.55%	8.27%
Net margin	-3.73%	10.09%
ROE	-6.76%	11.34%
ROIC	-0.22%	3.82%

Growth (annualized)

Metric	CSIQ	ENPH
Revenue CAGR (5Y)	2.21%	4.60%
EPS CAGR (5Y)	N/A	4.13%
FCF CAGR (5Y)	N/A	-9.69%
Total return CAGR (5Y)	-20.01%	-26.73%

Frequently asked

Which has grown faster, CSIQ or ENPH?: Over the past five years, ENPH grew revenue faster — CSIQ at a 2.21% CAGR versus ENPH at 4.60%.
Is CSIQ or ENPH more profitable?: ENPH runs the higher net margin — CSIQ at -3.73% versus ENPH at 10.09%.
How have CSIQ and ENPH total returns compared?: Over the past 10 years, CSIQ delivered -1.96% and ENPH delivered 39.45% annualized total return. Past performance doesn't predict future results.

Go deeper

Full CSIQ analysis Full ENPH analysis Interactive comparison tool

Dig into the metrics

Enphase Energy P/E ratio Canadian Solar ROE Enphase Energy ROE Canadian Solar operating margin Enphase Energy operating margin Canadian Solar revenue growth Enphase Energy revenue growth Canadian Solar free cash flow Enphase Energy free cash flow

Canadian Solar & Enphase Energy appear in these rankings

Highest 10-Year Total Return Stocks

Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified October 2, 2026.