Who makes the most efficient solar cells?

New research has ranked market leaders in solar technology such as Sanyo and Uni-Solar according to the average efficiency rating of their solar modules.

On September 14 cleantech market intelligence group Pike Research released a report outlining the typical efficiency rating of solar panels produced by the six market leaders across all world markets.

Pike Research ranked Sanyo top of the list with an average efficiency rating of 20 percent. The company has recently released new HIT-N235SE10 solar cell which has an efficiency rating of 21.1 percent, the highest efficiency rating available in the domestic market for individual homes. Sanyo intends to begin shipping the cell in September.

Commercial mono-C produced the solar cells with the second highest average efficiency rating, around 15 percent, Commercial multi-C followed with an average rating of just over 14 percent, followed by Evergreen (13 percent), Nanosolar (9 percent) and Uni-Solar which had an average rating of a little over 6 percent.

Efficiency is one of the most researched areas in the field of solar cell development. More efficient solar cells can increase household reliance on alternative sources of energy and thereby reduce the damaging environmental impact caused by fossil fuels and, according to recent surveys, provide economic benefits to homeowners by reducing energy bills and adding value to a house.

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