Hanwha Q CELLS — South Korea

Q.PEAK 420W D HD

The Hanwha Q CELLS Q.PEAK 420W D HD is a 420W PERC solar panel with 20.6% efficiency. Backed by a 30-year warranty.

Premium Tier

420W

Wattage

20.6%

Efficiency

PERC

Cell Type

30 years

Warranty

Full Specifications

Brand
Hanwha Q CELLS
Model
Q.PEAK 420W D HD
Series
Q.PEAK
Wattage
420W
Module Efficiency
20.6%
Cell Type
PERC
Dimensions
66-80" x 39-41"
Weight
48 lbs
Warranty
30 years
Est. Price Per Watt
$2.89
Est. 7kW System Cost
$20,230
Est. 10kW System Cost
$28,900
Temperature Coefficient
-0.35%/°C
Bifacial
No
Origin
South Korea
FEOC Status
check

Other Hanwha Q CELLS Panels

Model Wattage Efficiency Cell $/W
Q.TRON 465W E Pro 465W 21.9% PERC $3.34
Q.PEAK DUO 465W E Pro 465W 21.9% PERC $3.34
Q.PEAK 465W E Pro 465W 21.9% PERC $3.34
Q.PLUS 465W E Pro 465W 21.9% PERC $3.34
Q.TRON 455W D Plus 455W 21.6% N-Type TOPCon $3.24

Similar Wattage Panels (Competitors)

Panel Wattage Efficiency $/W
Maxeon Maxeon 3 450W D Plus 450W 23.3% $4.61
Maxeon Maxeon 6 450W D Plus 450W 23.3% $4.61
Maxeon Maxeon 7 450W D Plus 450W 23.3% $4.61
Maxeon Maxeon Air 450W D Plus 450W 23.3% $4.61

Frequently Asked Questions

How much does a 420W Hanwha Q CELLS Q.PEAK 420W D HD cost?
The Hanwha Q CELLS Q.PEAK 420W D HD costs approximately $1214 per panel ($$2.89/W). A typical 7kW system using this panel would cost around $20,230 before incentives. After the 30% federal tax credit, your net cost drops to $14,161.
Is the Hanwha Q CELLS Q.PEAK 420W D HD a good solar panel?
The Hanwha Q CELLS Q.PEAK 420W D HD has 20.6% efficiency and a 30 years warranty, placing it in the premium tier. This is a solid mid-range panel suitable for most residential installations.
How many Hanwha Q CELLS Q.PEAK 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.