Hyundai Energy — South Korea
HiISS Plus 360W
The Hyundai Energy HiISS Plus 360W is a 360W PERC solar panel with 18.3% efficiency. Backed by a 25-year warranty.
Standard TierBifacial
360W
Wattage
18.3%
Efficiency
PERC
Cell Type
25 years
Warranty
Full Specifications
- Brand
- Hyundai Energy
- Model
- HiISS Plus 360W
- Series
- HiISS Plus
- Wattage
- 360W
- Module Efficiency
- 18.3%
- Cell Type
- PERC
- Dimensions
- 65-67" x 39-40"
- Weight
- 41 lbs
- Warranty
- 25 years
- Est. Price Per Watt
- $1.99
- Est. 7kW System Cost
- $13,930
- Est. 10kW System Cost
- $19,900
- Temperature Coefficient
- -0.35%/°C
- Bifacial
- Yes
- 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 390-B Silver | 390W | 21.2% | $3.79 |
| SunPower Maxeon 390W B Plus | 390W | 21.2% | $3.79 |
| SunPower Maxeon 390W B Black | 390W | 21.2% | $3.79 |
| SunPower Performance 390-B Silver | 390W | 21.2% | $3.79 |
Frequently Asked Questions
How much does a 360W Hyundai Energy HiISS Plus 360W cost?
The Hyundai Energy HiISS Plus 360W costs approximately $716 per panel ($$1.99/W). A typical 7kW system using this panel would cost around $13,930 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 Plus 360W a good solar panel?
The Hyundai Energy HiISS Plus 360W has 18.3% 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 Plus 360W panels do I need?
For a typical 7kW residential system, you'd need approximately 20 panels. For a 10kW system, plan for about 28 panels. The exact number depends on your roof space, energy usage, and local sun hours.