product years: 25; performance years: 30; end of warranty pct: 87.4% at yr 30 (glass-glass ~89.4%); annual degradation pct: 0.4%/yr (glass-glass ~0.35%); labor coverage: No
PVEL scorecard
2026 Top Performer; 2025 Top Performer. Top Performer in all 12 editions
Price tier
budget
Risks to weigh
FEOC/UFLPA exposure
Price-war losses
Vertex S+ glass-glass residential panels are a strong value.
Specifications as stated by the manufacturer; confirm on the current datasheet and warranty document. Sources: scorecard.pvel.com, ir.t1energy.com
Trina Solar solar panels on the CEC certified list
263 certified models, 300–740 W, up to 24.3% efficient. Highest-efficiency models shown. See all models.
Model
Watts
Efficiency
Technology
Temp. coefficient
TSM-650NEG19RC.20
650
24.3%
Mono-c-Si
-0.2931%/°C
TSM-645NEG19RC.20
645
24.1%
Mono-c-Si
-0.2931%/°C
TSM-640NEG19RC.20
640
23.9%
Mono-c-Si
-0.2931%/°C
TSM-740NEG21C.20
740
23.8%
Mono-c-Si
-0.2918%/°C
TSM-635NEG19RC.20
635
23.7%
Mono-c-Si
-0.2931%/°C
TSM-735NEG21C.20
735
23.6%
Mono-c-Si
-0.2918%/°C
TSM-730NEG21C.20
730
23.5%
Mono-c-Si
-0.2918%/°C
TSM-630NEG19RC.20
630
23.5%
Mono-c-Si
-0.2931%/°C
TSM-725NEG21C.20
725
23.3%
Mono-c-Si
-0.287%/°C
TSM-625NEG19RC.20
625
23.3%
Mono-c-Si
-0.287%/°C
TSM-720NEG21C.20
720
23.2%
Mono-c-Si
-0.2918%/°C
TSM-460NEG9RH.25
460
23.2%
Mono-c-Si
-0.2912%/°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.