Mid-Range★★★★4.2/5

Trina Solar Solar Panels

4 panel models | Up to 22.5% efficiency | China

22.5%

Top Efficiency

670W

Max Wattage

25yr

Performance Warranty

1997

Founded

About Trina Solar

Trina Solar is one of the world's leading solar module manufacturers and a pioneer in photovoltaic technology since the late 1990s. Their Vertex series panels, featuring advanced cell interconnection and large-format wafer technology, are widely used in residential, commercial, and utility installations across the globe.

Pros

Vertex series delivers excellent power density
Competitive pricing with strong manufacturing scale
Decades of industry experience and proven reliability
Wide product range for all market segments

Cons

Standard product warranty shorter than some premium brands
Residential brand recognition lower than SunPower or Panasonic in the US
Some models primarily designed for commercial/utility scale

Trina Solar Solar Panel Models

Model	Wattage	Efficiency	Cell Type	Price/Watt	Warranty
Vertex S+ NEG9RC.27	445W	22.5%	TOPCon	$0.60-$0.95	15/25yr
Vertex S TSM-DE09R.08	420W	21.6%	Monocrystalline	$0.55-$0.85	15/25yr
Vertex N TSM-NEG21C.20	670W	22.4%	TOPCon	$0.45-$0.72	15/30yr
Vertex S+ NEG9R.28	430W	22.1%	TOPCon	$0.58-$0.90	15/25yr

Detailed Specifications

Vertex S+ NEG9RC.27

Wattage

445W

Efficiency

22.5%

Cell Technology

TOPCon

Dimensions

75.4 x 41.5 x 1.2 in

Weight

46.3 lbs

Temperature Coefficient

-0.29%/°C

Degradation Rate

0.35%/year

Product Warranty

15 years

Performance Warranty

25 years

Vertex S TSM-DE09R.08

Wattage

420W

Efficiency

21.6%

Cell Technology

Monocrystalline

Dimensions

75.2 x 41.5 x 1.2 in

Weight

46.3 lbs

Temperature Coefficient

-0.34%/°C

Degradation Rate

0.4%/year

Product Warranty

15 years

Performance Warranty

25 years

Vertex N TSM-NEG21C.20

Wattage

670W

Efficiency

22.4%

Cell Technology

TOPCon

Dimensions

100.7 x 46.1 x 1.4 in

Weight

78.5 lbs

Temperature Coefficient

-0.29%/°C

Degradation Rate

0.35%/year

Product Warranty

15 years

Performance Warranty

30 years

Vertex S+ NEG9R.28

Wattage

430W

Efficiency

22.1%

Cell Technology

TOPCon

Dimensions

75.4 x 41.5 x 1.2 in

Weight

45 lbs

Temperature Coefficient

-0.29%/°C

Degradation Rate

0.35%/year

Product Warranty

15 years

Performance Warranty

25 years

Trina Solar Solar Panels FAQ

Trina Solar is a mid-range-tier solar panel manufacturer headquartered in China, rated 4.2/5 by industry experts. Their panels offer up to 22.5% efficiency with 25-year performance warranties. Vertex series delivers excellent power density.

Trina Solar solar panels range from $0.58 to $0.95 per watt. For a typical 6kW system, that's approximately $3,600 to $5,700 before the 30% federal tax credit.

The most efficient Trina Solar panel is the Vertex S+ NEG9RC.27 at 22.5% efficiency and 670W. Higher efficiency panels are ideal for homes with limited roof space.

Trina Solar offers 15-year product warranties and 25-year performance warranties on their solar panels. The performance warranty guarantees at least 91.3% output after 25 years.