Topsun

Topsun has 67 certified solar panels on California's equipment list.

Topsun solar panels on the CEC certified list

67 certified models, 385–675 W, up to 22.6% efficient. Highest-efficiency models shown. See all models.

Model	Watts	Efficiency	Technology	Temp. coefficient
TOP CLASS 560CH12	560	22.6%	Mono-c-Si	-0.3745%/°C
TOP CLASS 555CH12	555	22.4%	Mono-c-Si	-0.3745%/°C
TOP CLASS 675CH12	675	22.3%	Mono-c-Si	-0.386%/°C
TOP CLASS 550CH12	550	22.2%	Mono-c-Si	-0.3745%/°C
TOP CLASS 670CH12	670	22.1%	Mono-c-Si	-0.386%/°C
TOP CLASS 545CH12	545	22%	Mono-c-Si	-0.3745%/°C
TOP CLASS 665CH12	665	21.9%	Mono-c-Si	-0.386%/°C
TOP CLASS 660CH12	660	21.8%	Mono-c-Si	-0.386%/°C
TOP CLASS 540CH12	540	21.8%	Mono-c-Si	-0.3745%/°C
TOP CLASS 655CH12	655	21.6%	Mono-c-Si	-0.386%/°C
TOP CLASS 535CH12	535	21.6%	Mono-c-Si	-0.3745%/°C
TOP CLASS 650CH12	650	21.5%	Mono-c-Si	-0.386%/°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.