Trina Solar — China

Vertex 490W D

The Trina Solar Vertex 490W D is a 490W N-Type TOPCon solar panel with 22.8% efficiency. Backed by a 30-year warranty.

Standard TierFEOC: RestrictedBifacial

490W

Wattage

22.8%

Efficiency

N-Type TOPCon

Cell Type

30 years

Warranty

Full Specifications

Brand
Trina Solar
Model
Vertex 490W D
Series
Vertex
Wattage
490W
Module Efficiency
22.8%
Cell Type
N-Type TOPCon
Dimensions
78-82" x 39-41"
Weight
57 lbs
Warranty
30 years
Est. Price Per Watt
$2.81
Est. 7kW System Cost
$19,670
Est. 10kW System Cost
$28,100
Temperature Coefficient
-0.25%/°C
Bifacial
Yes
Origin
China
FEOC Status
fail

Other Trina Solar Panels

ModelWattageEfficiencyCell$/W
Honey 490W D490W22.8%N-Type TOPCon$2.81
Tallmax 490W D490W22.8%N-Type TOPCon$2.81
SolaX 490W D490W22.8%N-Type TOPCon$2.81
Vertex S+ 490W D490W22.8%N-Type TOPCon$2.81
Vertex 485W C All-Black485W22.6%PERC$2.76

Similar Wattage Panels (Competitors)

PanelWattageEfficiency$/W
Aiko Solar Navi 490W D490W23.2%$2.70
Aiko Solar Neostar 490W D490W23.2%$2.70
Aiko Solar Navi 485W C All-Black485W23%$2.64
Aiko Solar Neostar 485W C All-Black485W23%$2.64

Frequently Asked Questions

How much does a 490W Trina Solar Vertex 490W D cost?
The Trina Solar Vertex 490W D costs approximately $1377 per panel ($$2.81/W). A typical 7kW system using this panel would cost around $19,670 before incentives.

⚠ The 30% Federal Solar Tax Credit (48E/ITC) expired 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 Trina Solar Vertex 490W D a good solar panel?
The Trina Solar Vertex 490W D has 22.8% efficiency and a 30 years warranty, placing it in the standard tier. This is above-average efficiency, making it a strong choice.
How many Trina Solar Vertex 490W D panels do I need?
For a typical 7kW residential system, you'd need approximately 15 panels. For a 10kW system, plan for about 21 panels. The exact number depends on your roof space, energy usage, and local sun hours.

Written & reviewed by

Jeremy Wolfe — Senior Solar Energy Analyst

Jeremy Wolfe is a solar energy analyst specializing in residential photovoltaic economics, federal and state incentive policy, and return-on-investment modeling for homeowners. He leads EnergyTools' solar research program and methodology.

  • 10+ years analyzing residential solar economics and payback modeling
  • Lead researcher for EnergyTools' 50-state solar cost-per-watt database
  • Author of 100+ solar ROI, payback, and incentive analyses

Methodology & data sources:NREL PVWatts, EPA FuelEconomy.gov, state utility commissions— updated 2026.