Astronergy — China
CHSM 390W D HC
The Astronergy CHSM 390W D HC is a 390W PERC solar panel with 19.3% efficiency. Backed by a 12-year warranty.
Standard TierFEOC: Restricted
390W
Wattage
19.3%
Efficiency
PERC
Cell Type
12 years
Warranty
Full Specifications
- Brand
- Astronergy
- Model
- CHSM 390W D HC
- Series
- CHSM
- Wattage
- 390W
- Module Efficiency
- 19.3%
- Cell Type
- PERC
- Dimensions
- 65-67" x 39-40"
- Weight
- 44 lbs
- Warranty
- 12 years
- Est. Price Per Watt
- $1.89
- Est. 7kW System Cost
- $13,230
- Est. 10kW System Cost
- $18,900
- Temperature Coefficient
- -0.35%/°C
- Bifacial
- No
- Origin
- China
- FEOC Status
- fail
Other Astronergy Panels
| Model | Wattage | Efficiency | Cell | $/W |
|---|---|---|---|---|
| CHSM 465W D | 465W | 21.6% | N-Type TOPCon | $2.58 |
| CHSM 460W C All-Black | 460W | 21.5% | PERC | $2.55 |
| CHSM 450W B BF | 450W | 21.2% | N-Type TOPCon | $2.46 |
| CHSM 450W E Pro | 450W | 21.2% | PERC | $2.46 |
| CHSM 445W A HC | 445W | 21% | PERC | $2.40 |
Similar Wattage Panels (Competitors)
| Panel | Wattage | Efficiency | $/W |
|---|---|---|---|
| Panasonic HIT 420W D Plus | 420W | 22.3% | $4.08 |
| Panasonic HIT 420W A Ultra | 420W | 22.3% | $4.08 |
| SunPower Maxeon 420W B Silver | 420W | 22.2% | $4.21 |
| Maxeon 3-42 HC | 420W | 22.1% | $3.98 |
Frequently Asked Questions
How much does a 390W Astronergy CHSM 390W D HC cost?
The Astronergy CHSM 390W D HC costs approximately $737 per panel ($$1.89/W). A typical 7kW system using this panel would cost around $13,230 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 Astronergy CHSM 390W D HC a good solar panel?
The Astronergy CHSM 390W D HC has 19.3% efficiency and a 12 years warranty, placing it in the standard tier. This is a solid mid-range panel suitable for most residential installations.
How many Astronergy CHSM 390W D HC 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.