Squeezing More Energy from the Sun

July/August 2010
A version of this article appears in the July/August 2010 issue of Home Energy Magazine.
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July 01, 2010
Scientists are figuring out how to squeeze more electricity out of PV panels. PV panels take the sun’s energy and convert it into electricity. The sun’s energy is abundant, but in order for solar electricity to compete with cheaper forms of electricity, such as that produced from highly polluting coal-fired power plants, PV panels have to be more efficient. And they need to be cheaper. Higher efficiency gets you more power for the same area, which saves on costs. But higher efficiency has generally meant more expensive PV modules.

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