What is the primary difference between solar thermal power plants and solar photovoltaic (PV) plants?*1 pointEnergy storage methodTypes of solar cells usedConversion of sunlight to electricityGeographical location requirements
Question
What is the primary difference between solar thermal power plants and solar photovoltaic (PV) plants?*1 pointEnergy storage methodTypes of solar cells usedConversion of sunlight to electricityGeographical location requirements
Solution
The primary difference between solar thermal power plants and solar photovoltaic (PV) plants is the method of converting sunlight to electricity.
Solar thermal power plants convert sunlight to electricity indirectly. They use mirrors or lenses to concentrate a large area of sunlight, or solar thermal energy, onto a small area. The concentrated heat is then used to heat a fluid and produce steam that drives a turbine connected to an electricity generator.
On the other hand, solar photovoltaic (PV) plants convert sunlight directly into electricity. They use panels equipped with solar cells, which are made of semiconducting materials (like silicon). When sunlight hits these cells, it knocks electrons loose from their atoms. As the electrons flow through the cell, they generate electricity.
So, the main difference lies in the conversion of sunlight to electricity.
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