Solar cells reach 40% efficiency

From the article:

…a concentrator solar cell produced by Boeing-Spectrolab has recently achieved a world-record conversion efficiency of 40.7 percent, establishing a new milestone in sunlight-to-electricity performance. This breakthrough may lead to systems with an installation cost of only $3 per watt, producing electricity at a cost of 8-10 cents per kilowatt/hour, making solar electricity a more cost-competitive and integral part of our nation’s energy mix.

This is pretty exciting. Keep an eye on this technology to see when it goes commercial. This, plus the ability to resell power to the grid is going to mean good things in the near future.

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