What are the different uses of solar energy
Answers
Answer:
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Explanation:
1. Solar Electricity
This is one of the solar energy applications that has gained a lot of momentum in recent years. As solar panel costs decline and more people become aware of the financial and environmental benefits of solar energy, solar electricity is becoming increasingly accessible. While still a very small percentage of the electricity generated in the U.S. (1.9% in 2017), solar electricity is growing rapidly (almost tripling over a three year period and up +40% versus 2016) according to the U.S. Energy Information Administration.
A distributed solar PV system is typically installed on the rooftops of homes or businesses. These solar power systems generate electricity to offset the property owner’s usage and send any excess production to the electric grid.
A solar battery can connect to your solar power system to enable you to use solar after the sun goes down, power an EV overnight, or provide backup power during emergencies. Some homeowners may choose to go completely off the grid with a solar power and battery system or a solar power and generator system.
In some cases, solar PV may be installed on an adjacent structure such as a barn or mounted to the ground, and then connected to the meter using underground cabling.
Other uses for solar energy include utility scale solar PV farms that can generate enough electricity to power entire cities. An even more efficient solar technology is concentrated solar power (CSP). A CSP solar farm uses mirrors to reflect and concentrate the sun’s energy towards a tower or other receiver, generating heat that can power a turbine to create electricity. That thermal energy may be stored before powering a generator, which makes it a more flexible source of electricity than solar PV. The world’s largest CSP solar farm is the 390 megawatt (MW) Ivanpah project in California’s Mojave Desert, although an even larger 580 MW CSP plant under construction in Morocco may soon claim that title.
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2. Solar Water Heating
Uses for solar energy extend to water heating systems. Most solar water heating solutions create hot water that is consumed inside the home. Solar water heaters use a rooftop cell to absorb the sun’s heat and transfer it to the water tank. Solar water heaters usually have a five to ten year payback according to the U.S. Department of Energy (DOE).
Another application of solar energy, especially in the southern and southwestern U.S., is heating swimming pools. Water is circulated to a collector where it is heated by sunlight and then pumped back into the pool. With costs between $3,000 and $4,000 and a payback of 1.5 to 7 years, the U.S. DOE says that “solar pool heating is the most cost-effective use of solar energy in many climates.”
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3. Solar Heating
Typical uses of solar space heating systems include powering radiant floors or pairing with a Forced Hot Air (FHA) system to heat a home. Passive solar home design can also heat homes and businesses in the winter by taking into consideration the placement of windows and the selection of materials used in the building.