Solar Panel Comparison
Trina Solar Vertex S+ 450W Dual Glass Full Black vs Viridian Solar Clearline Fusion 445W All Black BIPV
The Vertex S+ 450W Dual Glass Full Black delivers 450W, 5W more than the Clearline Fusion 445W All Black BIPV at 445W.
Clearline Fusion 445W All Black BIPV has a higher efficiency of 22.8% versus 22.5% for the Vertex S+ 450W Dual Glass Full Black.
They use different cell technologies: Vertex S+ 450W Dual Glass Full Black uses N-type i-TOPCon Triple-Cut, while Clearline Fusion 445W All Black BIPV uses N-type TOPCon Half-Cell.
Here's how they compare across all key specifications.
Spec
Trina Solar
Vertex S+ 450W Dual Glass Full Black
450W
22.5% efficiency
Viridian Solar
Clearline Fusion 445W All Black BIPV
445W
22.8% efficiency
Full Specification Comparison
| Spec | Vertex S+ 450W Dual Glass Full Black | Clearline Fusion 445W All Black BIPV |
|---|---|---|
| Performance | ||
| Power Output | 450 W | 445 W |
| Efficiency | 22.5% | 22.8% |
| Cell Type | N-type i-TOPCon Triple-Cut | N-type TOPCon Half-Cell |
| Temp. Coeff. | -0.29 %/°C | -0.3 %/°C |
| Number of Cells | 144 | 108 |
| Bifacial | Yes | No |
| Electrical | ||
| Voc | 52.9 V | 39.9 V |
| Vmp | 44.6 V | 33.02 V |
| Isc | 10.74 A | 14.18 A |
| Imp | 10.09 A | 13.48 A |
| Max System Voltage | 1500 V | 1000 V |
| Operating Temp | -40 to +85 °C | -40 to +85 °C |
| Physical | ||
| Dimensions | 1762x1134x30 mm | 1722x1134x70 mm |
| Weight | 21 kg | — |
| Frame Colour | Black | Black |
| Connector Type | — | MC4 |
| Warranty & Certification | ||
| Product Warranty | 25 years | 15 |
| Power Warranty | 30 years (87.4% yr30, 0.4%/yr) | 25 years linear |
| MCS Certified | Yes | Yes |
| Certifications | IEC 61215, IEC 61730, IEC 62804, IEC TS 63209 | IEC 61215, IEC 61730, MCS |
| Pricing (UK) | ||
| Retail Price | — | £225.88 |
| Price per Watt | — | £0.508/W |
Frequently Asked Questions
Which is more efficient, the Vertex S+ 450W Dual Glass Full Black or the Clearline Fusion 445W All Black BIPV?
The Clearline Fusion 445W All Black BIPV is more efficient at 22.8%, compared to 22.5% for the Vertex S+ 450W Dual Glass Full Black. Higher efficiency means more power generated per square metre of roof space.
Which panel produces more power, the Vertex S+ 450W Dual Glass Full Black or the Clearline Fusion 445W All Black BIPV?
The Vertex S+ 450W Dual Glass Full Black has a higher rated output at 450W. This means fewer panels would be needed to reach the same system size compared to the Clearline Fusion 445W All Black BIPV.
Which solar panel should I choose for my home — the Vertex S+ 450W Dual Glass Full Black or the Clearline Fusion 445W All Black BIPV?
The right choice depends on your priorities. If maximising energy generation per panel is key, consider efficiency and wattage. If budget is your main concern, compare price per watt. Both panels have their merits — use our Solar Estimator to see how each would perform in your specific home setup.
Trina Solar
Vertex S+ 450W Dual Glass Full Black
450W · 22.5% efficiency · N-type i-TOPCon Triple-Cut
View full specs →Viridian Solar
Clearline Fusion 445W All Black BIPV
445W · 22.8% efficiency · N-type TOPCon Half-Cell
View full specs →More Comparisons
See how these panels perform in your home
Use our Solar Estimator to calculate system size, installation cost, and payback period — with either of these panels as a starting point.