Risen Energy — China

RSM 420W D HD

The Risen Energy RSM 420W D HD is a 420W N-Type TOPCon solar panel with 19.8% efficiency. Backed by a 17-year warranty.

Budget TierFEOC: Restricted

420W

Wattage

19.8%

Efficiency

N-Type TOPCon

Cell Type

17 years

Warranty

Full Specifications

Brand
Risen Energy
Model
RSM 420W D HD
Series
RSM
Wattage
420W
Module Efficiency
19.8%
Cell Type
N-Type TOPCon
Dimensions
66-80" x 39-41"
Weight
48 lbs
Warranty
17 years
Est. Price Per Watt
$2.00
Est. 7kW System Cost
$14,000
Est. 10kW System Cost
$20,000
Temperature Coefficient
-0.25%/°C
Bifacial
No
Origin
China
FEOC Status
fail

Other Risen Energy Panels

ModelWattageEfficiencyCell$/W
RSM 455W D Plus455W21%PERC$2.34
RSM 450W C450W20.9%N-Type TOPCon$2.31
RSM 445W A Ultra445W20.7%PERC$2.26
RSM 440W B All-Black440W20.5%PERC$2.20
RSM 435W A BF435W20.3%N-Type TOPCon$2.14

Similar Wattage Panels (Competitors)

PanelWattageEfficiency$/W
Maxeon 3 450W D Plus450W23.3%$4.61
SunPower Maxeon 445W D Plus445W23.1%$4.58
Maxeon 3 445W A Ultra445W23.1%$4.51
SunPower Maxeon 440W C440W22.9%$4.50

Frequently Asked Questions

How much does a 420W Risen Energy RSM 420W D HD cost?
The Risen Energy RSM 420W D HD 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 D HD a good solar panel?
The Risen Energy RSM 420W D HD has 19.8% efficiency and a 17 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 D HD 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.

Written & reviewed by

EnergyTools Research Team — Solar Energy Research Group

The EnergyTools Research Team compiles and verifies residential solar data from NREL, EPA, and state utility commissions. Methodology is reviewed quarterly.

  • Source data: NREL PVWatts V8 + Utility Rates V3 APIs
  • Source data: EPA FuelEconomy.gov vehicle efficiency data
  • Methodology reviewed quarterly

Methodology & data sources:NREL PVWatts, EIA, state utility commissions· Updated 2026.