Heterojunction technology
Unigreen Energy's R&D Centre has been working on its development and industrial production since 2017
25%
Cell efficiency
>90%
Bifaciality factor
HJT PV Technology advantages
up to 25%
Due to the high efficiency of HJT production, you not only save space for placement, but make it possible to install fewer support structures
-0.26% / °C
Low temperature coefficient leads to 10% increase in output in hot climates and low light conditions
>90%
Ultra High bifaciality allows you to increase electricity generation up to 20%, which provides higher payback periods
over 15 years
Extended product warranty for HJT products
HJT in details
HJT technology ensures parameter stability, guarantees excellent quality,
which ensures high power output and long service life
which ensures high power output and long service life
Front side and rear side metallization
Conductive layer of transparent conductive oxide
Amorphous silicon semiconductor layer
Textured N-type monocrystalline silicon wafer
Front side and rear side metallization
Conductive layer of transparent conductive oxide
Amorphous silicon semiconductor layer
Textured N-type monocrystalline silicon wafer
HJT vs. mass-market crystalline PV technologies
Lifespan
Average lifetime values for cell type without loss of efficiency
up to 25 years
up to 30 years
Temperature Coefficient
Average temperature coefficient for cell type
-0.38%/°C
-0.26%/°C
Highest Recorded Efficiency
Highest cell efficiency ever recorded during operational usage
23.5%
25%
Market Share
36%
10%
HJT cells production process
Our Assets
Our assets are one of the keys to Unigreen’s leadership and success. We manage our assets using the highest health, safety and environmental standards.
Our factory
The largest manufacturer of HJT products for solar energy in Europe
Unigreen BNK Electric
Electrical plant for solar energy solutions