Thermal systems concentrate solar radiation using mirrors or glass casing and lenses to absorb sunlight and heat water or glycol (an organic compound belonging to the same family as alcohol). The liquid, now heated to high temperatures, produces steam to drive a turbine and generate. . The amount of sunlight that strikes the earth's surface in an hour and a half is enough to handle the entire world's energy consumption for a full year. Solar technologies convert sunlight into electrical energy either through photovoltaic (PV) panels or through mirrors that concentrate solar. . A photovoltaic (PV) cell, commonly called a solar cell, is a nonmechanical device that converts sunlight directly into electricity. Some PV cells can convert artificial light into electricity. Sunlight is composed of photons, or particles of solar energy. These photons contain varying amounts of. . Solar panels use a scientific concept called the photovoltaic effect to turn sunlight into electricity. Here's a deep dive into how it all works. Solar cells consist of layers of silicon that turn sunlight into electricity, but it takes more equipment than just that to get energy from the sun into. . There are two primary ways in which solar panels generate electricity: thermal conversion and photovoltaic effect. Photovoltaic solar panels are much more common than those that utilize thermal conversion, so we'll be focusing on PV solar panels.