LONGi Solar


Longi solar panels perform 3x better than prescribed by IEC standards.


decrease <5% after: Vapor Heat test (DH3000)
Thermal Cycling Test (TC600)
Humidity Freeze Test (HF30)
UV Test (UV45)
PID Test:
PID96h, PID300h & PID600h
Dynamic Mechanical Load Test:
Power decrease <3%


The world leader in mono.

LONGi Solar is the world leader in the field of highly efficient Longi mono solar panels & solar cells. The company has focused on MONO for 18 years and is the largest supplier of monocrystalline silicon wafers in the world.

The company currently has a wafer production capacity of 36 gigawatt peak, which they expect to have expanded to 45 gigawatt peak by the end of 2020.

Now that the annual sales of solar panels worldwide continue to grow explosively, this rapid upscaling is necessary to be able to continue to meet the rapidly growing demand.