LG — South Korea

NeON 390W E BF

The LG NeON 390W E BF is a 390W N-Type solar panel with 20.4% efficiency. Backed by a 25-year warranty.

Discontinued panel — still supported for existing owners. LG exited solar panel manufacturing in February 2022 Specs below reflect the final production version.
Premium TierBifacial

390W

Wattage

20.4%

Efficiency

N-Type

Cell Type

25 years

Warranty

Full Specifications

Brand
LG
Model
NeON 390W E BF
Series
NeON
Wattage
390W
Module Efficiency
20.4%
Cell Type
N-Type
Dimensions
65-67" x 39-40"
Weight
44 lbs
Warranty
25 years
Est. Price Per Watt
$3.20
Est. 7kW System Cost
$22,400
Est. 10kW System Cost
$32,000
Temperature Coefficient
-0.25%/°C
Bifacial
Yes
Origin
South Korea
FEOC Status
check

Other LG Panels

ModelWattageEfficiencyCell$/W
NeON 435W E Pro435W22.2%N-Type$4.10
NeON 430W D Plus430W22%N-Type$4.00
NeON 425W C425W21.8%N-Type$3.90
NeON 425W A Ultra425W21.8%N-Type$3.90
NeON 420W E Max420W21.6%N-Type$3.80

Similar Wattage Panels (Competitors)

PanelWattageEfficiency$/W
Panasonic HIT 420W D Plus420W22.3%$4.08
Panasonic HIT 420W A Ultra420W22.3%$4.08
SunPower Maxeon 420W B Silver420W22.2%$4.21
Maxeon 3-42 HC420W22.1%$3.98

Frequently Asked Questions

How much does a 390W LG NeON 390W E BF cost?
The LG NeON 390W E BF costs approximately $1248 per panel ($$3.20/W). A typical 7kW system using this panel would cost around $22,400 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 LG NeON 390W E BF a good solar panel?
The LG NeON 390W E BF has 20.4% efficiency and a 25 years warranty, placing it in the premium tier. This is a solid mid-range panel suitable for most residential installations.
How many LG NeON 390W E BF panels do I need?
For a typical 7kW residential system, you'd need approximately 18 panels. For a 10kW system, plan for about 26 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.