Silfab Solar β€” US/Canada

SIL Prime-41 HC

The Silfab Solar SIL Prime-41 HC is a 410W N-Type TOPCon solar panel with 20.5% efficiency. Backed by a 25-year warranty.

Premium TierπŸ‡ΊπŸ‡Έ Domestic Content Bonus EligibleBifacial

410W

Wattage

20.5%

Efficiency

N-Type TOPCon

Cell Type

25 years

Warranty

Full Specifications

Brand
Silfab Solar
Model
SIL Prime-41 HC
Series
SIL Prime
Wattage
410W
Module Efficiency
20.5%
Cell Type
N-Type TOPCon
Dimensions
66-80" x 39-41"
Weight
47 lbs
Warranty
25 years
Est. Price Per Watt
$2.90
Est. 7kW System Cost
$20,300
Est. 10kW System Cost
$29,000
Temperature Coefficient
-0.25%/Β°C
Bifacial
Yes
Origin
US/Canada
FEOC Status
pass

Other Silfab Solar Panels

ModelWattageEfficiencyCell$/W
SIL 455W E Pro455W22%PERC$3.35
SIL-N 455W E Pro455W22%PERC$3.35
SIL Prime 455W E Pro455W22%PERC$3.35
SIL 445W D Plus445W21.7%N-Type TOPCon$3.26
SIL-N 445W D Plus445W21.7%N-Type TOPCon$3.26

Similar Wattage Panels (Competitors)

PanelWattageEfficiency$/W
SunPower Maxeon 440W C440W22.9%$4.50
SunPower Maxeon 440W D Silver440W22.9%$4.50
SunPower Performance 440W C440W22.9%$4.50
SunPower Performance 440W D Silver440W22.9%$4.50

Frequently Asked Questions

How much does a 410W Silfab Solar SIL Prime-41 HC cost?
The Silfab Solar SIL Prime-41 HC costs approximately $1189 per panel ($$2.90/W). A typical 7kW system using this panel would cost around $20,300 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-41 HC a good solar panel?
The Silfab Solar SIL Prime-41 HC has 20.5% 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-41 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.

Written & reviewed by

Jeremy Wolfe β€” Senior Solar Energy Analyst

Jeremy Wolfe is a solar energy analyst specializing in residential photovoltaic economics, federal and state incentive policy, and return-on-investment modeling for homeowners. He leads EnergyTools' solar research program and methodology.

  • 10+ years analyzing residential solar economics and payback modeling
  • Lead researcher for EnergyTools' 50-state solar cost-per-watt database
  • Author of 100+ solar ROI, payback, and incentive analyses

Methodology & data sources:NREL PVWatts, EPA FuelEconomy.gov, state utility commissionsβ€” updated 2026.