Silfab Solar β€” US/Canada

SIL 380W C HD

The Silfab Solar SIL 380W C HD is a 380W N-Type TOPCon solar panel with 19.5% efficiency. Backed by a 25-year warranty.

Premium TierπŸ‡ΊπŸ‡Έ Domestic Content Bonus Eligible

380W

Wattage

19.5%

Efficiency

N-Type TOPCon

Cell Type

25 years

Warranty

Full Specifications

Brand
Silfab Solar
Model
SIL 380W C HD
Series
SIL
Wattage
380W
Module Efficiency
19.5%
Cell Type
N-Type TOPCon
Dimensions
65-67" x 39-40"
Weight
43 lbs
Warranty
25 years
Est. Price Per Watt
$2.60
Est. 7kW System Cost
$18,200
Est. 10kW System Cost
$26,000
Temperature Coefficient
-0.25%/Β°C
Bifacial
No
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 410W A All-Black410W21.9%$4.08
SunPower Maxeon 410W B410W21.9%$4.08
SunPower Maxeon 410W D HD410W21.9%$4.08
SunPower Performance 410W A All-Black410W21.9%$4.08

Frequently Asked Questions

How much does a 380W Silfab Solar SIL 380W C HD cost?
The Silfab Solar SIL 380W C HD costs approximately $988 per panel ($$2.60/W). A typical 7kW system using this panel would cost around $18,200 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 380W C HD a good solar panel?
The Silfab Solar SIL 380W C HD has 19.5% 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 380W C HD panels do I need?
For a typical 7kW residential system, you'd need approximately 19 panels. For a 10kW system, plan for about 27 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.