Segment Solar — US

SG Plus 440W D

The Segment Solar SG Plus 440W D is a 440W PERC solar panel with 21.2% efficiency. Made in US. Backed by a 30-year warranty.

Standard Tier 🇺🇸 Domestic Content Bonus Eligible Bifacial

440W

Wattage

21.2%

Efficiency

PERC

Cell Type

30 years

Warranty

Full Specifications

Brand
Segment Solar
Model
SG Plus 440W D
Series
SG Plus
Wattage
440W
Module Efficiency
21.2%
Cell Type
PERC
Dimensions
78-82" x 39-41"
Weight
52 lbs
Warranty
30 years
Est. Price Per Watt
$2.88
Est. 7kW System Cost
$20,160
Est. 10kW System Cost
$28,800
Temperature Coefficient
-0.35%/°C
Bifacial
Yes
Origin
US
FEOC Status
pass

Other Segment Solar Panels

Model Wattage Efficiency Cell $/W
SG 440W D 440W 21.2% PERC $2.88
SG Max 440W D 440W 21.2% PERC $2.88
SG 435W C All-Black 435W 21% N-Type TOPCon $2.83
SG Plus 435W C All-Black 435W 21% N-Type TOPCon $2.83
SG Max 435W C All-Black 435W 21% N-Type TOPCon $2.83

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 440W Segment Solar SG Plus 440W D cost?
The Segment Solar SG Plus 440W D costs approximately $1267 per panel ($$2.88/W). A typical 7kW system using this panel would cost around $20,160 before incentives. After the 30% federal tax credit, your net cost drops to $14,112.
Is the Segment Solar SG Plus 440W D a good solar panel?
The Segment Solar SG Plus 440W D has 21.2% efficiency and a 30 years warranty, placing it in the standard tier. This is above-average efficiency, making it a strong choice. It also qualifies for the domestic content bonus under the Inflation Reduction Act.
How many Segment Solar SG Plus 440W D panels do I need?
For a typical 7kW residential system, you'd need approximately 16 panels. For a 10kW system, plan for about 23 panels. The exact number depends on your roof space, energy usage, and local sun hours.