Electricity from solar power plants is becoming less expensive

Electricity from solar power plants is becoming less expensive
The Sun behind the heliostat of a tower power plant. When operating the power plant, the mirrors on many heliostats direct sunlight to the tip of a tower where temperatures of up to 1000 degrees Celsius are generated. Electricity is produced via a turbine and a generator. Tower power plants operate at higher temperatures, which helps to make electricity generation more efficient.
Credit:

DLR/Markus Steur.

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