In desert sands and snowy surfaces, a considerable portion of sunlight is reflected back. If a single-faced solar panel is used in such places, a significant portion of sunlight is just lost.

Bifacial solar panels can absorb solar radiation from both the sides. The construction is such that the conventional backsheet and glass structure is replaced by a frameless panel with tempered glass on both sides. This means that the electricity generation is significantly increased in comparison to conventional solar panels when the same number of panels are used.

Recently, Yingli Solar launched its TwinMAX high efficiency bifacial module which the company claims can generate 30% more than conventional monocrystalline panels.

Another Canadian company called Silfab also designed bifacial solar panels specifically to absorb solar radiation on both sides. The company calls it BiSoN, and describes it as a “bifacial monocrystalline cell with very high efficiency.”
Well, of course, the upfront costs are higher but they can produce better returns over the long term especially in regions with a high albedo effect.

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