Silfab Solar — US/Canada

SIL Prime 385W A

The Silfab Solar SIL Prime 385W A is a 385W PERC solar panel with 19.7% efficiency. Backed by a 25-year warranty.

Premium Tier 🇺🇸 Domestic Content Bonus Eligible

385W

Wattage

19.7%

Efficiency

PERC

Cell Type

25 years

Warranty

Full Specifications

Brand
Silfab Solar
Model
SIL Prime 385W A
Series
SIL Prime
Wattage
385W
Module Efficiency
19.7%
Cell Type
PERC
Dimensions
65-67" x 39-40"
Weight
43 lbs
Warranty
25 years
Est. Price Per Watt
$2.66
Est. 7kW System Cost
$18,620
Est. 10kW System Cost
$26,600
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 415W A Black 415W 22% $4.12
SunPower Maxeon 415W C Plus 415W 22% $4.12
SunPower Maxeon 415W B Ultra 415W 22% $4.12
SunPower Performance 415W A Black 415W 22% $4.12

Frequently Asked Questions

How much does a 385W Silfab Solar SIL Prime 385W A cost?
The Silfab Solar SIL Prime 385W A costs approximately $1024 per panel ($$2.66/W). A typical 7kW system using this panel would cost around $18,620 before incentives. After the 30% federal tax credit, your net cost drops to $13,034.
Is the Silfab Solar SIL Prime 385W A a good solar panel?
The Silfab Solar SIL Prime 385W A has 19.7% 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 385W A panels do I need?
For a typical 7kW residential system, you'd need approximately 19 panels. For a 10kW system, plan for about 26 panels. The exact number depends on your roof space, energy usage, and local sun hours.