Hyundai Energy — South Korea
HiISS 415W C Plus
The Hyundai Energy HiISS 415W C Plus is a 415W N-Type TOPCon solar panel with 20.3% efficiency. Backed by a 25-year warranty.
Standard Tier
415W
Wattage
20.3%
Efficiency
N-Type TOPCon
Cell Type
25 years
Warranty
Full Specifications
- Brand
- Hyundai Energy
- Model
- HiISS 415W C Plus
- Series
- HiISS
- Wattage
- 415W
- Module Efficiency
- 20.3%
- Cell Type
- N-Type TOPCon
- Dimensions
- 66-80" x 39-41"
- Weight
- 47 lbs
- Warranty
- 25 years
- Est. Price Per Watt
- $2.59
- Est. 7kW System Cost
- $18,130
- Est. 10kW System Cost
- $25,900
- Temperature Coefficient
- -0.25%/°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 |
|---|---|---|---|
| SunPower Maxeon 445W D Plus | 445W | 23.1% | $4.58 |
| SunPower Performance 445W D Plus | 445W | 23.1% | $4.58 |
| SunPower X-Series 445W D Plus | 445W | 23.1% | $4.58 |
| SunPower E-Series 445W D Plus | 445W | 23.1% | $4.58 |
Frequently Asked Questions
How much does a 415W Hyundai Energy HiISS 415W C Plus cost?
The Hyundai Energy HiISS 415W C Plus costs approximately $1075 per panel ($$2.59/W). A typical 7kW system using this panel would cost around $18,130 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 HiISS 415W C Plus a good solar panel?
The Hyundai Energy HiISS 415W C Plus has 20.3% efficiency and a 25 years warranty, placing it in the standard tier. This is a solid mid-range panel suitable for most residential installations.
How many Hyundai Energy HiISS 415W C Plus panels do I need?
For a typical 7kW residential system, you'd need approximately 17 panels. For a 10kW system, plan for about 25 panels. The exact number depends on your roof space, energy usage, and local sun hours.