Trina Solar — China

Honey 370W Plus

The Trina Solar Honey 370W Plus is a 370W PERC solar panel with 18.2% efficiency. Backed by a 25-year warranty.

Standard TierFEOC: Restricted

370W

Wattage

18.2%

Efficiency

PERC

Cell Type

25 years

Warranty

Full Specifications

Brand
Trina Solar
Model
Honey 370W Plus
Series
Honey
Wattage
370W
Module Efficiency
18.2%
Cell Type
PERC
Dimensions
65-67" x 39-40"
Weight
42 lbs
Warranty
25 years
Est. Price Per Watt
$1.59
Est. 7kW System Cost
$11,130
Est. 10kW System Cost
$15,900
Temperature Coefficient
-0.35%/°C
Bifacial
No
Origin
China
FEOC Status
fail

Other Trina Solar Panels

ModelWattageEfficiencyCell$/W
Vertex 490W D490W22.8%N-Type TOPCon$2.81
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

Similar Wattage Panels (Competitors)

PanelWattageEfficiency$/W
SunPower Maxeon-40 HD400W21.5%$3.92
SunPower Maxeon 400W D Max400W21.5%$3.92
SunPower Maxeon 400W C Silver400W21.5%$3.92
SunPower Performance-40 HD400W21.5%$3.92

Frequently Asked Questions

How much does a 370W Trina Solar Honey 370W Plus cost?
The Trina Solar Honey 370W Plus costs approximately $588 per panel ($$1.59/W). A typical 7kW system using this panel would cost around $11,130 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 Honey 370W Plus a good solar panel?
The Trina Solar Honey 370W Plus has 18.2% efficiency and a 25 years warranty, placing it in the standard tier. This is a solid mid-range panel suitable for most residential installations.
How many Trina Solar Honey 370W Plus panels do I need?
For a typical 7kW residential system, you'd need approximately 19 panels. For a 10kW system, plan for about 28 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.