Kyuara — Japan
KYX 440W D
The Kyuara KYX 440W D is a 440W HJT solar panel with 21.8% efficiency. Made in Japan. Backed by a 30-year warranty.
Standard TierBifacial
440W
Wattage
21.8%
Efficiency
HJT
Cell Type
30 years
Warranty
Full Specifications
- Brand
- Kyuara
- Model
- KYX 440W D
- Series
- KYX
- Wattage
- 440W
- Module Efficiency
- 21.8%
- Cell Type
- HJT
- Dimensions
- 78-82" x 39-41"
- Weight
- 52 lbs
- Warranty
- 30 years
- Est. Price Per Watt
- $3.57
- Est. 7kW System Cost
- $24,990
- Est. 10kW System Cost
- $35,700
- Temperature Coefficient
- -0.25%/°C
- Bifacial
- Yes
- Origin
- Japan
- FEOC Status
- likely_pass
Other Kyuara Panels
| Model | Wattage | Efficiency | Cell | $/W |
|---|---|---|---|---|
| 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 |
| KYX 425W D Plus | 425W | 21.2% | HJT | $3.29 |
Similar Wattage Panels (Competitors)
| Panel | Wattage | Efficiency | $/W |
|---|---|---|---|
| Maxeon Maxeon 3 455W E Pro | 455W | 23.5% | $4.72 |
| Maxeon Maxeon 6 455W E Pro | 455W | 23.5% | $4.72 |
| Maxeon Maxeon 7 455W E Pro | 455W | 23.5% | $4.72 |
| Maxeon Maxeon Air 455W E Pro | 455W | 23.5% | $4.72 |
Frequently Asked Questions
How much does a 440W Kyuara KYX 440W D cost?
The Kyuara KYX 440W D costs approximately $1571 per panel ($$3.57/W). A typical 7kW system using this panel would cost around $24,990 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 Kyuara KYX 440W D a good solar panel?
The Kyuara KYX 440W D has 21.8% efficiency and a 30 years warranty, placing it in the standard tier. This is above-average efficiency, making it a strong choice.
How many Kyuara KYX 440W D panels do I need?
For a typical 7kW residential system, you'd need approximately 16 panels. For a 10kW system, plan for about 23 panels. The exact number depends on your roof space, energy usage, and local sun hours.