JA Solar — China
JAM 460W E HD
The JA Solar JAM 460W E HD is a 460W N-Type TOPCon solar panel with 21.8% efficiency. Backed by a 30-year warranty.
Standard TierFEOC: RestrictedBifacial
460W
Wattage
21.8%
Efficiency
N-Type TOPCon
Cell Type
30 years
Warranty
Full Specifications
- Brand
- JA Solar
- Model
- JAM 460W E HD
- Series
- JAM
- Wattage
- 460W
- Module Efficiency
- 21.8%
- Cell Type
- N-Type TOPCon
- Dimensions
- 78-82" x 39-41"
- Weight
- 54 lbs
- Warranty
- 30 years
- Est. Price Per Watt
- $2.45
- Est. 7kW System Cost
- $17,150
- Est. 10kW System Cost
- $24,500
- Temperature Coefficient
- -0.25%/°C
- Bifacial
- Yes
- Origin
- China
- FEOC Status
- fail
Other JA Solar Panels
| Model | Wattage | Efficiency | Cell | $/W |
|---|---|---|---|---|
| JAM 485W D | 485W | 22.8% | N-Type TOPCon | $2.69 |
| JAM 480W C All-Black | 480W | 22.6% | PERC | $2.64 |
| JAM 470W B BF | 470W | 22.2% | N-Type TOPCon | $2.55 |
| JAM 470W E Pro | 470W | 22.2% | PERC | $2.55 |
| JAM 465W A HC | 465W | 22% | PERC | $2.50 |
Similar Wattage Panels (Competitors)
| Panel | Wattage | Efficiency | $/W |
|---|---|---|---|
| Maxeon 3 455W E Pro | 455W | 23.5% | $4.72 |
| SunPower Maxeon 455W E Pro | 455W | 23.4% | $4.71 |
| Maxeon 3 450W D Plus | 450W | 23.3% | $4.61 |
| Aiko Solar Navi 490W D | 490W | 23.2% | $2.70 |
Frequently Asked Questions
How much does a 460W JA Solar JAM 460W E HD cost?
The JA Solar JAM 460W E HD costs approximately $1127 per panel ($$2.45/W). A typical 7kW system using this panel would cost around $17,150 before incentives.
⚠ The 30% federal solar tax credit has ended — Section 25D expired December 31, 2025, and the Section 48E construction-start deadline passed 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 JA Solar JAM 460W E HD a good solar panel?
The JA Solar JAM 460W E HD 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 JA Solar JAM 460W E HD panels do I need?
For a typical 7kW residential system, you'd need approximately 16 panels. For a 10kW system, plan for about 22 panels. The exact number depends on your roof space, energy usage, and local sun hours.