Silfab Solar — US/Canada
SIL Prime 360W Plus
The Silfab Solar SIL Prime 360W Plus is a 360W PERC solar panel with 18.8% efficiency. Backed by a 25-year warranty.
Premium Tier🇺🇸 Domestic Content Bonus Eligible
360W
Wattage
18.8%
Efficiency
PERC
Cell Type
25 years
Warranty
Full Specifications
- Brand
- Silfab Solar
- Model
- SIL Prime 360W Plus
- Series
- SIL Prime
- Wattage
- 360W
- Module Efficiency
- 18.8%
- Cell Type
- PERC
- Dimensions
- 65-67" x 39-40"
- Weight
- 41 lbs
- Warranty
- 25 years
- Est. Price Per Watt
- $2.39
- Est. 7kW System Cost
- $16,730
- Est. 10kW System Cost
- $23,900
- Temperature Coefficient
- -0.35%/°C
- Bifacial
- No
- Origin
- US/Canada
- FEOC Status
- pass
Other Silfab Solar Panels
| Model | Wattage | Efficiency | Cell | $/W |
|---|---|---|---|---|
| SIL 455W E Pro | 455W | 22% | PERC | $3.35 |
| SIL-N 455W E Pro | 455W | 22% | PERC | $3.35 |
| SIL Prime 455W E Pro | 455W | 22% | PERC | $3.35 |
| SIL 445W D Plus | 445W | 21.7% | N-Type TOPCon | $3.26 |
| SIL-N 445W D Plus | 445W | 21.7% | N-Type TOPCon | $3.26 |
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 Silfab Solar SIL Prime 360W Plus cost?
The Silfab Solar SIL Prime 360W Plus costs approximately $860 per panel ($$2.39/W). A typical 7kW system using this panel would cost around $16,730 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 Silfab Solar SIL Prime 360W Plus a good solar panel?
The Silfab Solar SIL Prime 360W Plus has 18.8% efficiency and a 25 years warranty, placing it in the premium tier. This is a solid mid-range panel suitable for most residential installations. It also qualifies for the domestic content bonus under the Inflation Reduction Act.
How many Silfab Solar SIL Prime 360W Plus 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.