Production of old model solar panels - GBP K.K.

Reasons for Panel Replacement

Panels can be damaged by natural disasters or poor weather conditions. Additionally, as solar panels age, their conversion efficiency decreases, leading to reduced power generation, necessitating panel replacement.

Solving Challenges

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Challenges in Solar Panel Replacement	GBP’s Solutions
Inability to source identical panels ・Discontinuation of same model panels ・Suspension of after-service ・Manufacturer bankruptcy	Support for a wide range of panel models ・‌Compatible with output ranges from 100W to 700W ・Same dimensions, thickness, and mounting holes as original panels ・Higher output up to 10% improve ・Higher conversion efficiency up to 10% increase
Restrictions due to existing mounting systems ・‌Desire to reuse undamaged panels ・‌Replacement panels not fitting due to size or thickness ・‌Change of mounting hole positions ・High costs associated with upgrading to current mounting system standards	Reuse of existing mounting systems ・Replacement panels match original sizes ・‌‌Thickness options from 30 to 50 mm ・‌Consistent mounting hole positions

Challenges in Solar Panel Replacement

GBP’s Solutions

Inability to source identical panels

・Discontinuation of same model panels

・Suspension of after-service

・Manufacturer bankruptcy

Support for a wide range of panel models

・‌Compatible with output ranges from 100W to 700W

・Same dimensions, thickness, and mounting holes as original panels

・Higher output up to 10% improve

・Higher conversion efficiency up to 10% increase

Restrictions due to existing mounting systems

・‌Desire to reuse undamaged panels

・‌Replacement panels not fitting due to size or thickness

・‌Change of mounting hole positions

・High costs associated with upgrading to current mounting system standards

Reuse of existing mounting systems

・Replacement panels match original sizes

・‌‌Thickness options from 30 to 50 mm

・‌Consistent mounting hole positions

Specifics

Supported cell sizes

Front and back

MC4 connectors available

GBP's Strengths

Low Cost

No need to change

・Mounting frame

・Inverter

・Cable

Available Solar Module Brands

SUN POWER, Qcells, JINKO, Canadian Solar, Trina Solar, Hanwha, LG, BYD, Panasonic, Sharp, Kyocera, Mitsubishi, Toshiba, Isofoton, Motech, Exsol, TALESUN, LUXOR, etc...

Extensive Sales Record 100,000 Panels Sold

We are the only domestic manufacturer of old model solar panels in Japan, with total sales reaching 10,000 panels as of 2024. The chart on the right shows some of the panel manufacturers we have worked with.