S-Energy — South Korea
SN-40 HC
The S-Energy SN-40 HC is a 400W PERC solar panel with 19.6% efficiency. Backed by a 25-year warranty.
Standard Tier
Bifacial
400W
Wattage
19.6%
Efficiency
PERC
Cell Type
25 years
Warranty
Full Specifications
- Brand
- S-Energy
- Model
- SN-40 HC
- Series
- SN
- Wattage
- 400W
- Module Efficiency
- 19.6%
- Cell Type
- PERC
- Dimensions
- 66-80" x 39-41"
- Weight
- 46 lbs
- Warranty
- 25 years
- Est. Price Per Watt
- $2.53
- Est. 7kW System Cost
- $17,710
- Est. 10kW System Cost
- $25,300
- Temperature Coefficient
- -0.35%/°C
- Bifacial
- Yes
- Origin
- South Korea
- FEOC Status
- check
Other S-Energy Panels
| Model | Wattage | Efficiency | Cell | $/W |
|---|---|---|---|---|
| SN 445W D | 445W | 21.2% | PERC | $3.01 |
| SNE 445W D | 445W | 21.2% | PERC | $3.01 |
| SN Plus 445W D | 445W | 21.2% | PERC | $3.01 |
| SN 440W C All-Black | 440W | 21% | N-Type TOPCon | $2.95 |
| SNE 440W C All-Black | 440W | 21% | N-Type TOPCon | $2.95 |
Similar Wattage Panels (Competitors)
| Panel | Wattage | Efficiency | $/W |
|---|---|---|---|
| SunPower Maxeon 430W E Max | 430W | 22.6% | $4.38 |
| SunPower Maxeon 430W B All-Black | 430W | 22.6% | $4.38 |
| SunPower Maxeon 430W C Black | 430W | 22.6% | $4.38 |
| SunPower Performance 430W E Max | 430W | 22.6% | $4.38 |
Frequently Asked Questions
How much does a 400W S-Energy SN-40 HC cost?
The S-Energy SN-40 HC costs approximately $1012 per panel ($$2.53/W). A typical 7kW system using this panel would cost around $17,710 before incentives. After the 30% federal tax credit, your net cost drops to $12,397.
Is the S-Energy SN-40 HC a good solar panel?
The S-Energy SN-40 HC has 19.6% 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 S-Energy SN-40 HC panels do I need?
For a typical 7kW residential system, you'd need approximately 18 panels. For a 10kW system, plan for about 25 panels. The exact number depends on your roof space, energy usage, and local sun hours.