The Power of Solar Thermal Farms in California


An increasingly rare type of solar farm goes online in California

Gigaom, January 26, 2015

When the huge solar farm just outside of Las Vegas called Ivanpah opened up in early 2014, many lamented that this type of solar plant, called solar thermal, could soon become a dinosaur. Late last week another of these large solar thermal farms was officially turned on, and it truly could be one of the last of this size built in the U.S., thanks to a one-two punch of changing incentives and economics.

Large utility-scale solar panel farms use rows and rows of solar panels to directly convert the sun’s energy into electricity. Solar thermal farms, on the other hand, uses mirrors to concentrate sunlight to heat liquid that produces steam and makes electricity from a turbine. These sites are essentially using the heat of the sun to produce electricity.

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