Many Solar panels
These Solar Cells are manufactured in a fashion similar to computers, involving extremely pure silicon, use a single junction for extracting energy from photons, and are very efficient, approaching their theoretical efficiency maximum of 33%. In 2007, first generation solar cells accounted for 89.6% of commercial production, though the market share of these solar cells are declining. The manufacturing processes that are used to produce first generation cells are inherently expensive, meaning that these cells may take years to pay for their purchasing costs. It is not thought that first generation cells will be able to provide energy more cost effective than fossil fuel sources.
Electromagnetic radiation from the sunlight generates an electric current that powers these solar cells, or photovoltaic cells or modules, creating renewable energy. The sun’s energy is made up of photons. These photons are like small containers of power, and hold various levels of energy. The level of each photon’s power depends upon its individual wavelength of light. When these photons hit a solar cell created to harness their power, they can be absorbed, causing the photon’s energy to be absorbed by an electron in the cell.
Solar energy is an alternative Solar panels that involves harnessing the radiant light energy emitted by the sun and converting it into electrical current. Since the middle of the 20th century, the ability to harness and utilize solar energy has greatly increased, making it possible for homes and businesses to make use of the renewal energy source rather than rely on more conventional means of generating power. Research into the applications of solar energy continue, along with the development of more cost-effective ways to capture and store the energy for future use.
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