Kyuara — Japan

KYX 390W E BF

The Kyuara KYX 390W E BF is a 390W HJT solar panel with 19.9% efficiency. Made in Japan. Backed by a 25-year warranty.

Standard Tier Bifacial

390W

Wattage

19.9%

Efficiency

HJT

Cell Type

25 years

Warranty

Full Specifications

Brand
Kyuara
Model
KYX 390W E BF
Series
KYX
Wattage
390W
Module Efficiency
19.9%
Cell Type
HJT
Dimensions
65-67" x 39-40"
Weight
44 lbs
Warranty
25 years
Est. Price Per Watt
$2.69
Est. 7kW System Cost
$18,830
Est. 10kW System Cost
$26,900
Temperature Coefficient
-0.25%/°C
Bifacial
Yes
Origin
Japan
FEOC Status
likely_pass

Other Kyuara Panels

Model Wattage Efficiency Cell $/W
KYX 440W D 440W 21.8% HJT $3.57
KYX 435W C All-Black 435W 21.6% N-Type $3.48
KYX 430W E Pro 430W 21.4% N-Type $3.39
KYX 430W B BF 430W 21.4% HJT $3.39
KYX 425W A Ultra 425W 21.2% HJT $3.29

Similar Wattage Panels (Competitors)

Panel Wattage Efficiency $/W
Panasonic EverVolt 420W A Ultra 420W 22.3% $4.08
Panasonic EverVolt 420W D Plus 420W 22.3% $4.08
Panasonic EverVolt VK 420W A Ultra 420W 22.3% $4.08
Panasonic EverVolt VK 420W D Plus 420W 22.3% $4.08

Frequently Asked Questions

How much does a 390W Kyuara KYX 390W E BF cost?
The Kyuara KYX 390W E BF costs approximately $1049 per panel ($$2.69/W). A typical 7kW system using this panel would cost around $18,830 before incentives. After the 30% federal tax credit, your net cost drops to $13,181.
Is the Kyuara KYX 390W E BF a good solar panel?
The Kyuara KYX 390W E BF has 19.9% 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 Kyuara KYX 390W E BF panels do I need?
For a typical 7kW residential system, you'd need approximately 18 panels. For a 10kW system, plan for about 26 panels. The exact number depends on your roof space, energy usage, and local sun hours.