First Solar — US

Series 6-43 HC

The First Solar Series 6-43 HC is a 430W CdTe solar panel with 19.0% efficiency. Made in US. Backed by a 25-year warranty.

Premium Tier 🇺🇸 Domestic Content Bonus Eligible Bifacial

430W

Wattage

19%

Efficiency

CdTe

Cell Type

25 years

Warranty

Full Specifications

Brand
First Solar
Model
Series 6-43 HC
Series
Series 6
Wattage
430W
Module Efficiency
19%
Cell Type
CdTe
Dimensions
66-80" x 39-41"
Weight
49 lbs
Warranty
25 years
Est. Price Per Watt
$3.00
Est. 7kW System Cost
$21,000
Est. 10kW System Cost
$30,000
Temperature Coefficient
-0.25%/°C
Bifacial
Yes
Origin
US
FEOC Status
pass

Other First Solar Panels

Model Wattage Efficiency Cell $/W
Series 6 475W E Pro 475W 20.5% CdTe $3.75
Series 7 475W E Pro 475W 20.5% CdTe $3.75
Series 4 475W E Pro 475W 20.5% CdTe $3.75
Series 5 475W E Pro 475W 20.5% CdTe $3.75
Series 6 465W D Plus 465W 20.2% CdTe $3.60

Similar Wattage Panels (Competitors)

Panel Wattage Efficiency $/W
Maxeon Maxeon 3 455W E Pro 455W 23.5% $4.72
Maxeon Maxeon 6 455W E Pro 455W 23.5% $4.72
Maxeon Maxeon 7 455W E Pro 455W 23.5% $4.72
Maxeon Maxeon Air 455W E Pro 455W 23.5% $4.72

Frequently Asked Questions

How much does a 430W First Solar Series 6-43 HC cost?
The First Solar Series 6-43 HC costs approximately $1290 per panel ($$3.00/W). A typical 7kW system using this panel would cost around $21,000 before incentives. After the 30% federal tax credit, your net cost drops to $14,700.
Is the First Solar Series 6-43 HC a good solar panel?
The First Solar Series 6-43 HC has 19% efficiency and a 25 years warranty, placing it in the premium tier. This is a solid mid-range panel suitable for most residential installations. It also qualifies for the domestic content bonus under the Inflation Reduction Act.
How many First Solar Series 6-43 HC 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.