Silfab Solar Products
4 products across Solar Panels. Efficiency range: 20.4%–21.8%.
Silfab Solar Panel Overview
All Silfab Solar Panels (4)
| Model | Power | Efficiency | Cell Type | Warranty | Degradation |
|---|---|---|---|---|---|
| SIL-500-NX 500W | 500W | 21.8% | TOPCon N-type | 25/30 yr | 0.4%/yr |
| Elite SIL-420 | 420W | 21.5% | TOPCon N-type | 25/30 yr | 0.4%/yr |
| SIL-410-BG 410W | 410W | 21.2% | PERC Mono | 25/30 yr | 0.4%/yr |
| SIL-370-BK 370W | 370W | 20.4% | PERC Mono | 25/25 yr | 0.4%/yr |
Sorted by efficiency. Click any model for full specifications and review.
Estimated System Costs with Silfab Panels
| System Size | Panels Needed | Est. Cost (before ITC) | After 30% ITC |
|---|---|---|---|
| 5 kW | ~10 panels | $12,500–$17,500 | $8,750–$12,250 |
| 8 kW | ~16 panels | $20,000–$28,000 | $14,000–$19,600 |
| 10 kW | ~20 panels | $25,000–$35,000 | $17,500–$24,500 |
| 12 kW | ~24 panels | $30,000–$42,000 | $21,000–$29,400 |
Estimates based on national average installed costs of $2.50–$3.50/watt. Panel count uses the SIL-500-NX 500W (500W). Actual prices vary by location and installer.
About Silfab
Silfab manufactures solar panels with 4 models in their 2026 product lineup. Their solar panels range from 370W to 500W with efficiencies of 20.4%–21.8%, using TOPCon N-type and PERC Mono cell technology. Manufacturing takes place in United States.
Quick Facts
- Total Products: 4 models
- Categories: Solar Panels
- Manufacturing: United States
- Best Efficiency: 21.8% (SIL-500-NX 500W)
- Max Power: 500W (SIL-500-NX 500W)
Frequently Asked Questions
How many solar products does Silfab offer in 2026?
Silfab offers 4 products in their 2026 lineup: 4 solar panels.
What is the most efficient Silfab solar panel?
The most efficient Silfab solar panel is the SIL-500-NX 500W at 21.8% efficiency with 500W output. Silfab panels range from 20.4% to 21.8% efficiency across 4 models.
What is the most powerful Silfab solar panel?
The highest-wattage Silfab panel is the SIL-500-NX 500W at 500W. Silfab's panel lineup ranges from 370W to 500W, using TOPCon N-type and PERC Mono cell technology.
What warranty does Silfab offer on solar panels?
Silfab offers up to 25-year product warranty and up to 30-year performance warranty on their solar panels. The average annual degradation rate is 0.40%.
Where are Silfab solar panels manufactured?
Silfab solar panels are manufactured in United States.