Hyundai Energy — South Korea
Green 420W C Black
The Hyundai Energy Green 420W C Black is a 420W PERC solar panel with 20.5% efficiency. Backed by a 30-year warranty.
Standard Tier
420W
Wattage
20.5%
Efficiency
PERC
Cell Type
30 years
Warranty
Full Specifications
- Brand
- Hyundai Energy
- Model
- Green 420W C Black
- Series
- Green
- Wattage
- 420W
- Module Efficiency
- 20.5%
- Cell Type
- PERC
- Dimensions
- 66-80" x 39-41"
- Weight
- 48 lbs
- Warranty
- 30 years
- Est. Price Per Watt
- $2.65
- Est. 7kW System Cost
- $18,550
- Est. 10kW System Cost
- $26,500
- Temperature Coefficient
- -0.35%/°C
- Bifacial
- No
- Origin
- South Korea
- FEOC Status
- check
Other Hyundai Energy Panels
| Model | Wattage | Efficiency | Cell | $/W |
|---|---|---|---|---|
| HiISS 455W D | 455W | 21.7% | PERC | $3.01 |
| HiISS Plus 455W D | 455W | 21.7% | PERC | $3.01 |
| Green 455W D | 455W | 21.7% | PERC | $3.01 |
| HiISS 450W C All-Black | 450W | 21.5% | N-Type TOPCon | $2.95 |
| HiISS Plus 450W C All-Black | 450W | 21.5% | N-Type TOPCon | $2.95 |
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 Hyundai Energy Green 420W C Black cost?
The Hyundai Energy Green 420W C Black costs approximately $1113 per panel ($$2.65/W). A typical 7kW system using this panel would cost around $18,550 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 Hyundai Energy Green 420W C Black a good solar panel?
The Hyundai Energy Green 420W C Black has 20.5% 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 Hyundai Energy Green 420W C Black 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.