Solar Panel Comparison
Risen Energy Titan S 400W Full Black vs Viridian Solar Clearline Fusion 445W All Black BIPV
The Clearline Fusion 445W All Black BIPV delivers 445W, 45W more than the Titan S 400W Full Black at 400W.
Clearline Fusion 445W All Black BIPV has a higher efficiency of 22.8% versus 20.8% for the Titan S 400W Full Black.
They use different cell technologies: Titan S 400W Full Black uses Mono PERC MBB Half-Cell, while Clearline Fusion 445W All Black BIPV uses N-type TOPCon Half-Cell.
Here's how they compare across all key specifications.
Spec
Risen Energy
Titan S 400W Full Black
400W
20.8% efficiency
Viridian Solar
Clearline Fusion 445W All Black BIPV
445W
22.8% efficiency
Full Specification Comparison
| Spec | Titan S 400W Full Black | Clearline Fusion 445W All Black BIPV |
|---|---|---|
| Performance | ||
| Power Output | 400 W | 445 W |
| Efficiency | 20.8% | 22.8% |
| Cell Type | Mono PERC MBB Half-Cell | N-type TOPCon Half-Cell |
| Temp. Coeff. | -0.34 %/°C | -0.3 %/°C |
| Number of Cells | 120 | 108 |
| Bifacial | No | No |
| Electrical | ||
| Voc | 41.3 V | 39.9 V |
| Vmp | 34.39 V | 33.02 V |
| Isc | 12.34 A | 14.18 A |
| Imp | 11.64 A | 13.48 A |
| Max System Voltage | 1500 V | 1000 V |
| Operating Temp | -40 to +85 °C | -40 to +85 °C |
| Physical | ||
| Dimensions | 1754x1096x30 mm | 1722x1134x70 mm |
| Weight | 21.5 kg | — |
| Frame Colour | Black | Black |
| Connector Type | MC4 compatible | MC4 |
| Junction Box IP | IP68 | — |
| Warranty & Certification | ||
| Product Warranty | 12 years | 15 |
| Power Warranty | 25 years linear (84.8% yr25) | 25 years linear |
| MCS Certified | No | Yes |
| Certifications | IEC 61215, IEC 61730, ISO 9001, ISO 14001, ISO 45001 | 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 Titan S 400W 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 20.8% for the Titan S 400W Full Black. Higher efficiency means more power generated per square metre of roof space.
Which panel produces more power, the Titan S 400W Full Black or the Clearline Fusion 445W All Black BIPV?
The Clearline Fusion 445W All Black BIPV has a higher rated output at 445W. This means fewer panels would be needed to reach the same system size compared to the Titan S 400W Full Black.
Which solar panel should I choose for my home — the Titan S 400W 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.
Risen Energy
Titan S 400W Full Black
400W · 20.8% efficiency · Mono PERC MBB Half-Cell
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.