Solar panels

Trina Solar Vertex S+

Name: Trina Solar Vertex S+
Brand: Trina Solar

425–515 W · 6 versions · best for small roofs: most watts per square metre

8.5Very good#3 of 22 panel series we rank · EnergyUpgrade Score out of 10

4.8 out of 5 from 2,846 owner reviews of Trina Solar solar panels

Efficiency: 24.6%
Temp. coeff.: -0.26%/°C
Year 25: 90.6%

Get quotes for this Datasheet Manufacturer's copy

Why it scores 8.5.

Rated on TSM-xxxNEG10R.28Z, its best home version. Each part comes from the datasheet with a published rule; anything not stated scores zero.

How we rate solar panels

Output guaranteed at year 25
8.2 · 25%
What the panel promises to still produce after 25 Australian summers. It compounds every year.
Rule: Worked out from the datasheet's first-year and annual degradation: 84% scores 0, 92% scores 10.
Product warranty
7.5 · 25%
Covers defects in the panel itself. Twelve years is the floor; the best give 25 or more.
Rule: Years of product warranty: 10 scores 0, 30 scores 10.
Heat performance
8.6 · 20%
Panels lose output as they heat up, and roof panels often pass 65°C in summer.
Rule: Temperature coefficient of Pmax: -0.38%/°C scores 0, -0.24%/°C scores 10.
Efficiency
9.1 · 20%
More watts from each square metre, which matters most on small or broken-up roofs.
Rule: Highest module efficiency in the range: 20.5% scores 0, 25% scores 10.
Performance warranty length
10.0 · 10%
How long the output guarantee runs.
Rule: Years: 25 scores 0, 30 scores 10.

Full specifications.

For TSM-xxxNEG10R.28Z, the version we rate. 43 approved models · Australian datasheet

Power: 495–515 W
Highest efficiency: 24.6%
Temperature coefficient (Pmax): -0.26%/°C
First-year degradation: 1%
Annual degradation after year 1: 0.35%
Output at year 25 (our calculation): 90.6%
Product warranty: 25 years
Performance warranty: 30 years
Cell technology: N-type i-TOPCon
Size: 1842 × 1134 mm
Weight: 21.95 kg
All-black look: Yes

Every version (6).

Same series in different sizes, finishes or generations. Check which version is on your quote.

TSM-xxxNEG10R.28Z
495–515 W · the version we rate
8.5
Efficiency: 24.6%Temp. coeff.: -0.26%/°CYear 25: 90.6% Datasheet
TSM-xxxNEG9RP.25Z
460–480 W
8.2
Efficiency: 24.0%Temp. coeff.: -0.26%/°CYear 25: 90.6% Datasheet
TSM-xxxNEG9RH.28
450–475 W
7.3
Efficiency: 23.8%Temp. coeff.: -0.29%/°CYear 25: 89.4% Datasheet
TSM-xxxNEG9R.25
425–470 W
7.2
Efficiency: 23.5%Temp. coeff.: -0.29%/°CYear 25: 89.4% Datasheet
TSM-xxxNEG9R.28
425–475 W
7.2
Efficiency: 23.5%Temp. coeff.: -0.29%/°CYear 25: 89.4% Datasheet
TSM-xxxNEG9RC.27
425–450 W
6.7
Efficiency: 22.5%Temp. coeff.: -0.29%/°CYear 25: 89.4% Datasheet

About the brand

Trina Solar solar panels

A consistently excellent panel maker. Vertex S+ is a tough dual-glass panel with a 25-year warranty, backed by 12 years of top test results and a Sydney team.

Read the Trina Solar review

8.1

Brand rating#3 of 8 brands for solar panels