Risen Energy — China
RSM 420W A Black
The Risen Energy RSM 420W A Black is a 420W PERC solar panel with 19.8% efficiency. Backed by a 12-year warranty.
Budget TierFEOC: RestrictedBifacial
420W
Wattage
19.8%
Efficiency
PERC
Cell Type
12 years
Warranty
Full Specifications
- Brand
- Risen Energy
- Model
- RSM 420W A Black
- Series
- RSM
- Wattage
- 420W
- Module Efficiency
- 19.8%
- Cell Type
- PERC
- Dimensions
- 66-80" x 39-41"
- Weight
- 48 lbs
- Warranty
- 12 years
- Est. Price Per Watt
- $2.00
- Est. 7kW System Cost
- $14,000
- Est. 10kW System Cost
- $20,000
- Temperature Coefficient
- -0.35%/°C
- Bifacial
- Yes
- Origin
- China
- FEOC Status
- fail
Other Risen Energy Panels
| Model | Wattage | Efficiency | Cell | $/W |
|---|---|---|---|---|
| RSM 455W D Plus | 455W | 21% | PERC | $2.34 |
| RSM 450W C | 450W | 20.9% | N-Type TOPCon | $2.31 |
| RSM 445W A Ultra | 445W | 20.7% | PERC | $2.26 |
| RSM 440W B All-Black | 440W | 20.5% | PERC | $2.20 |
| RSM 435W A BF | 435W | 20.3% | N-Type TOPCon | $2.14 |
Similar Wattage Panels (Competitors)
| Panel | Wattage | Efficiency | $/W |
|---|---|---|---|
| Maxeon 3 450W D Plus | 450W | 23.3% | $4.61 |
| SunPower Maxeon 445W D Plus | 445W | 23.1% | $4.58 |
| Maxeon 3 445W A Ultra | 445W | 23.1% | $4.51 |
| SunPower Maxeon 440W C | 440W | 22.9% | $4.50 |
Frequently Asked Questions
How much does a 420W Risen Energy RSM 420W A Black cost?
The Risen Energy RSM 420W A Black costs approximately $840 per panel ($$2.00/W). A typical 7kW system using this panel would cost around $14,000 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 Risen Energy RSM 420W A Black a good solar panel?
The Risen Energy RSM 420W A Black has 19.8% efficiency and a 12 years warranty, placing it in the budget tier. This is a solid mid-range panel suitable for most residential installations.
How many Risen Energy RSM 420W A Black panels do I need?
For a typical 7kW residential system, you'd need approximately 17 panels. For a 10kW system, plan for about 24 panels. The exact number depends on your roof space, energy usage, and local sun hours.