Growth5 Blog

Monday, May 4, 2009

Solar Tower in Spain Powers 10,000 Homes

From Reuters: Abengoa Launches World's Biggest Solar Tower. The new 20 megawatt PS20 solar power tower plant in Spain will produce enough energy to supply 10,000 homes and avoid the emission of approximately 12,000 tons of CO2.

What's amazing to me is how it works. The PS20 consists of a solar field made up of 1,255 mirrored heliostats designed by Abengoa Solar. Each heliostat, with a surface area of 1,291 square feet, reflects the solar radiation it receives onto the receiver located on the top of a 531 foot-high tower, producing steam which is converted into electricity generation by a turbine.

According to this VentureBeat article there are already plans in the works for similar towers in the US:
The Spanish solar companies’ recent success isn’t limited to Spain, or even Europe. They have been making a real dent in North America as well, giving U.S. rivals a run for their money. Perhaps the most recent example is Arizona’s new 200-megawatt plant announced last week, to be built by Bilbao, Spain-based Albiasa solar. The project represents $1 billion for the company. But this is nothing new for the state, which already has a 250-megawatt Abengoa plant in the works as well.
10,000 homes here, 10,000 home there. Every bit will help. The faster we can get rid of our foreign energy dependence, the better off we'll be.

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