Heliene — Canada
Heliene 420W D Silver
The Heliene Heliene 420W D Silver is a 420W N-Type TOPCon solar panel with 20.3% efficiency. Backed by a 30-year warranty.
Standard Tier
420W
Wattage
20.3%
Efficiency
N-Type TOPCon
Cell Type
30 years
Warranty
Full Specifications
- Brand
- Heliene
- Model
- Heliene 420W D Silver
- Series
- Heliene
- Wattage
- 420W
- Module Efficiency
- 20.3%
- Cell Type
- N-Type TOPCon
- Dimensions
- 66-80" x 39-41"
- Weight
- 48 lbs
- Warranty
- 30 years
- Est. Price Per Watt
- $2.74
- Est. 7kW System Cost
- $19,180
- Est. 10kW System Cost
- $27,400
- Temperature Coefficient
- -0.25%/°C
- Bifacial
- No
- Origin
- Canada
- FEOC Status
- unknown
Other Heliene Panels
| Model | Wattage | Efficiency | Cell | $/W |
|---|---|---|---|---|
| Heliene 445W D | 445W | 21.2% | PERC | $3.01 |
| Heliene 440W C All-Black | 440W | 21% | N-Type TOPCon | $2.95 |
| Heliene 435W E Pro | 435W | 20.9% | N-Type TOPCon | $2.92 |
| Heliene 430W B BF | 430W | 20.7% | PERC | $2.86 |
| Heliene 425W D Plus | 425W | 20.5% | PERC | $2.80 |
Similar Wattage Panels (Competitors)
| Panel | Wattage | Efficiency | $/W |
|---|---|---|---|
| Maxeon Maxeon 3 450W D Plus | 450W | 23.3% | $4.61 |
| Maxeon Maxeon 6 450W D Plus | 450W | 23.3% | $4.61 |
| Maxeon Maxeon 7 450W D Plus | 450W | 23.3% | $4.61 |
| Maxeon Maxeon Air 450W D Plus | 450W | 23.3% | $4.61 |
Frequently Asked Questions
How much does a 420W Heliene Heliene 420W D Silver cost?
The Heliene Heliene 420W D Silver costs approximately $1151 per panel ($$2.74/W). A typical 7kW system using this panel would cost around $19,180 before incentives.
⚠ The 30% Federal Solar Tax Credit (48E/ITC) expired July 4, 2026.
Selecting 30% ITC assumes you began construction before this deadline. Most new purchases no longer qualify.Learn about your options after the deadline →
Is the Heliene Heliene 420W D Silver a good solar panel?
The Heliene Heliene 420W D Silver has 20.3% efficiency and a 30 years warranty, placing it in the standard tier. This is a solid mid-range panel suitable for most residential installations.
How many Heliene Heliene 420W D Silver panels do I need?
For a typical 7kW residential system, you'd need approximately 17 panels. For a 10kW system, plan for about 24 panels. The exact number depends on your roof space, energy usage, and local sun hours.