Solar Energy

About how many mirrors are used at Ivanpah Solar Electric Generating System, the largest concentrating solar power facility in the U.S.?

350,000 Spanning 3,500 acres of Southern California desert, Ivanpah's 173,500 "heliostats" (each made up of two mirrors) focus the sun's rays on three 459-foot-tall, heat-collecting...

Which of the following is NOT a technology used in concentrating solar power?

Cathode ray tube Parabolic trough, linear fresnel and power tower are all types of concentrating solar power systems. They may look very different, but they...

What form of energy do concentrating solar power technologies use to generate electricity?

Thermal Energy Concentrating solar power technologies use mirrors to reflect and concentrate sunlight onto receivers that collect solar energy and convert it to heat. This thermal...

Who discovered the photovoltaic effect?

French physicist Edmond Becquerel Edmond Becquerel was the first person to realize that sunlight could produce an electric current in a solid material in 1839,...

Which U.S. state generates the most utility-scale solar power?

California In 2014, California became the first state in U.S to generate more than 5 percent of its annual utility-scale electricity from solar power, according...

How much solar energy reaches the Earth’s surface at any given moment?

173,000 terawatts Solar energy is the most abundant energy source on the planet. Enough sunlight hits the Earth's surface in 1 1/2 hours to power...

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