S-Energy — South Korea

SNE 405W A Black

The S-Energy SNE 405W A Black is a 405W PERC solar panel with 19.8% efficiency. Backed by a 25-year warranty.

Standard Tier Bifacial

405W

Wattage

19.8%

Efficiency

PERC

Cell Type

25 years

Warranty

Full Specifications

Brand
S-Energy
Model
SNE 405W A Black
Series
SNE
Wattage
405W
Module Efficiency
19.8%
Cell Type
PERC
Dimensions
66-80" x 39-41"
Weight
46 lbs
Warranty
25 years
Est. Price Per Watt
$2.59
Est. 7kW System Cost
$18,130
Est. 10kW System Cost
$25,900
Temperature Coefficient
-0.35%/°C
Bifacial
Yes
Origin
South Korea
FEOC Status
check

Other S-Energy Panels

Model Wattage Efficiency Cell $/W
SN 445W D 445W 21.2% PERC $3.01
SNE 445W D 445W 21.2% PERC $3.01
SN Plus 445W D 445W 21.2% PERC $3.01
SN 440W C All-Black 440W 21% N-Type TOPCon $2.95
SNE 440W C All-Black 440W 21% N-Type TOPCon $2.95

Similar Wattage Panels (Competitors)

Panel Wattage Efficiency $/W
SunPower Maxeon 435W A Ultra 435W 22.7% $4.42
SunPower Performance 435W A Ultra 435W 22.7% $4.42
SunPower X-Series 435W A Ultra 435W 22.7% $4.42
SunPower E-Series 435W A Ultra 435W 22.7% $4.42

Frequently Asked Questions

How much does a 405W S-Energy SNE 405W A Black cost?
The S-Energy SNE 405W A Black costs approximately $1049 per panel ($$2.59/W). A typical 7kW system using this panel would cost around $18,130 before incentives. After the 30% federal tax credit, your net cost drops to $12,691.
Is the S-Energy SNE 405W A Black a good solar panel?
The S-Energy SNE 405W A Black has 19.8% efficiency and a 25 years warranty, placing it in the standard tier. This is a solid mid-range panel suitable for most residential installations.
How many S-Energy SNE 405W A Black 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.