Segment Solar — US

SG 435W C All-Black

The Segment Solar SG 435W C All-Black is a 435W N-Type TOPCon solar panel with 21.0% efficiency. Made in US. Backed by a 30-year warranty.

Standard Tier🇺🇸 Domestic Content Bonus Eligible

435W

Wattage

21%

Efficiency

N-Type TOPCon

Cell Type

30 years

Warranty

Full Specifications

Brand
Segment Solar
Model
SG 435W C All-Black
Series
SG
Wattage
435W
Module Efficiency
21%
Cell Type
N-Type TOPCon
Dimensions
66-80" x 39-41"
Weight
49 lbs
Warranty
30 years
Est. Price Per Watt
$2.83
Est. 7kW System Cost
$19,810
Est. 10kW System Cost
$28,300
Temperature Coefficient
-0.25%/°C
Bifacial
No
Origin
US
FEOC Status
pass

Other Segment Solar Panels

ModelWattageEfficiencyCell$/W
SG 440W D440W21.2%PERC$2.88
SG 430W E Pro430W20.8%N-Type TOPCon$2.78
SG 425W B BF425W20.7%PERC$2.75
SG 420W A HC420W20.5%N-Type TOPCon$2.70
SG 420W D Plus420W20.5%PERC$2.70

Similar Wattage Panels (Competitors)

PanelWattageEfficiency$/W
Maxeon 3 455W E Pro455W23.5%$4.72
SunPower Maxeon 455W E Pro455W23.4%$4.71
Maxeon 3 450W D Plus450W23.3%$4.61
SunPower Maxeon 445W D Plus445W23.1%$4.58

Frequently Asked Questions

How much does a 435W Segment Solar SG 435W C All-Black cost?
The Segment Solar SG 435W C All-Black costs approximately $1231 per panel ($$2.83/W). A typical 7kW system using this panel would cost around $19,810 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 Segment Solar SG 435W C All-Black a good solar panel?
The Segment Solar SG 435W C All-Black has 21% 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 435W C All-Black panels do I need?
For a typical 7kW residential system, you'd need approximately 17 panels. For a 10kW system, plan for about 23 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.