Canadian Solar

4.4% of recent U.S. home systems use Canadian Solar solar panels.

Canadian Solar

Status: Operating; US manufacturing ramping (TX modules, IN cells). US operations restructured under the CS PowerTech subsidiary, partly to meet FEOC rules.

Company
Canada (HQ Kitchener/Guelph, ON); main manufacturing in China/SE Asia
U.S. manufacturing
Assembles modules in the U.S. (Mesquite, TX (modules, 5 GW expanding to 10 GW in 2H 2026); Jeffersonville, IN (HJT cells)). Cells: Yes, from July 2026: CS PowerTech HJT cell plant in Jeffersonville, IN (Phase I 2.1 GW, >6 GW planned)
Main products
  • TOPHiKu6 / TOPBiHiKu (residential 108-cell versions): 420-450 W, 21.5-22.5%, N-type TOPCon
  • HiHero (HJT): 420-445 W, 22.0-22.8%, N-type HJT
Warranty
product years: 25; performance years: 30; end of warranty pct: ~87.4% at yr 30 (TOPCon); HiHero ~90.3%; annual degradation pct: 0.4%/yr (TOPCon); 0.35%/yr (HJT); labor coverage: Generally no labor reimbursement on standard warranty
PVEL scorecard
2026 Top Performer. Top Performer in 7-8 tests in 2026; 2025 status not confirmed
Price tier
budget-mid
Risks to weigh
  • FEOC/ownership scrutiny (significant China operations)
  • Tariff exposure on imported SKUs

Good value. HiHero HJT is its residential flagship.

Checked against 2025–2026 sources. Sources: pv-magazine-usa.com, solarpowerworldonline.com, sec.gov

Canadian Solar solar panels on the CEC certified list

269 certified models, 300–730 W, up to 26.9% efficient. Highest-efficiency models shown. See all models.

ModelWattsEfficiencyTechnologyTemp. coefficient
CS7L-575MB-AG57526.9%Mono-c-Si-0.39%/°C
CS7L-570MB-AG57026.6%Mono-c-Si-0.39%/°C
CS6.2-66HB-650H65024.8%Mono-c-Si-0.2448%/°C
CS6.2-66HB-650HP65024.8%Mono-c-Si-0.2448%/°C
CS6.2-66HB-645H64524.6%Mono-c-Si-0.2448%/°C
CS6.2-66HB-645HP64524.6%Mono-c-Si-0.2448%/°C
CS6.2-66HB-640H64024.4%Mono-c-Si-0.2448%/°C
CS6.2-66HB-640HP64024.4%Mono-c-Si-0.2448%/°C
CS6.2-66HB-635H63524.2%Mono-c-Si-0.2448%/°C
CS6.2-66HB-635HP63524.2%Mono-c-Si-0.2448%/°C
CS7N-730TB-AG73024.1%Mono-c-Si-0.2855%/°C
CS7L-660TB-AG66024%Mono-c-Si-0.2855%/°C
Choosing equipmentA well-installed mid-tier system beats a premium brand installed badly. Ask quotes to name exact models, compare warranties in writing, and check that the company backing a 25-year warranty is financially healthy. Compare your quotes.