GCL module is intended for enormous electrical requirments. It is the ideal decision for both on-matrix and off-framework power frameworks. GCL Solar board offers elite of intensity per square foot of sunlight based cluster. Poly-or multi-crystalline silicon (poly-Si or mc-Si): produced using cast square ingots â€” huge squares of liquid silicon painstakingly cooled and set. Poly-Si cells are more affordable to create than single precious stone silicon cells however are less effective. US DOE information shows that there were a higher number of multi-crystalline deals than monocrystalline silicon deals.