Solar Turbines
2,400-Foot-Tall Solar Updraft Turbines To Power Arizona
Today's solar power plants work either through photovoltaics or heated steam. If Enviromission gets its way, tomorrow's plants will combine wind and solar, with acre-sized mirrors and multi-thousand-foot-tall chimneys generating turbine-spinning gusts. The technology's called solar updraft, and a $750 million, 200-megawatt project may just bring Enviromission's future into the present.
The plants work by generating pressure differentials between warm and cool air at the surface. Four acres of solar panels sit around a 2,400-foot-tall chimney, and above turbine-laden tunnels.
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