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  • time; 2018 - 01 - 03
    source;
    author; Bob
    views; 96
    PV is emerging as a major power resource, steadily becoming more affordable and proving to be more reliable than utilities. Photovoltaic power promises a brighter, cleaner future for our children.In 1839, Edmund Becquerel discovered the process of using sunlight to produce an electric current in a solid material, but it wasn't until a century later that scientists eventually learned that the photovoltaic effect caused certain materials to convert light energy into electrical energy. The photovoltaic effect is the basic principal process by which a PV cell converts sunlight into electricity. When light shines on a PV cell, it may be reflected, absorbed, or pass right through. The absorbed light generates electricity. In the early 1950s, photovoltaic (PV) cells were developed a...
  • time; 2018 - 01 - 09
    source;
    author; Shery
    views; 78
    The United States currently relies heavily on coal, oil, and natural gas for its energy. Fossil fuels are non-renewable, that is, they draw on finite resources that will eventually dwindle, becoming too expensive or too environmentally damaging to retrieve. In contrast, the many types of renewable energy resources-such as wind and solar energy-are constantly replenished and will never run out.Most renewable energy comes either directly or indirectly from the sun. Sunlight, or solar energy, can be used directly for heating and lighting homes and other buildings, for generating electricity, and for hot water heating, solar cooling, and a variety of commercial and industrial uses.The sun's heat also drives the winds, whose energy, is captured with wind turbines. Then, the winds and the su...
  • time; 2018 - 01 - 11
    source;
    author;
    views; 0
    Green power is electricity that is generated from resources such as solar, wind, geothermal, biomass, and low-impact hydro facilities. Conventional electricity generation, based on the combustion of fossil fuels, is the nation's single largest industrial source of air pollution. The increasing availability of green power enables electricity customers to accelerate installation of renewable energy technologies. As more green power sources are developed - displacing conventional generation - the overall environmental impacts associated with electricity generation will be significantly reduced.Benefits of Green PowerChoosing green power offers a number of benefits to businesses and institutions, including:Environmental stewardship - Many innovative organizations are establishing envi...
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  • 03 2018 - 01 -
    source;
    author; Bob
    PV is emerging as a major power resource, steadily becoming more affordable and proving to be more reliable than utilities. Photovoltaic power promises a brighter, cleaner future for our children.In 1839, Edmund Becquerel discovered the process of using sunlight to produce an electric current in a solid material, but it wasn't until a century later that scientists eventually learned that the photovoltaic effect caused certain materials to convert light energy into electrical energy. The photovoltaic effect is the basic principal process by which a PV cell converts sunlight into electricity. When light shines on a PV cell, it may be reflected, absorbed, or pass right through. The absorbed light generates electricity. In the early 1950s, photovoltaic (PV) cells were developed a...
  • 09 2018 - 01 -
    source;
    author; Shery
    The United States currently relies heavily on coal, oil, and natural gas for its energy. Fossil fuels are non-renewable, that is, they draw on finite resources that will eventually dwindle, becoming too expensive or too environmentally damaging to retrieve. In contrast, the many types of renewable energy resources-such as wind and solar energy-are constantly replenished and will never run out.Most renewable energy comes either directly or indirectly from the sun. Sunlight, or solar energy, can be used directly for heating and lighting homes and other buildings, for generating electricity, and for hot water heating, solar cooling, and a variety of commercial and industrial uses.The sun's heat also drives the winds, whose energy, is captured with wind turbines. Then, the winds and the su...
  • 11 2018 - 01 -
    source;
    author;
    Green power is electricity that is generated from resources such as solar, wind, geothermal, biomass, and low-impact hydro facilities. Conventional electricity generation, based on the combustion of fossil fuels, is the nation's single largest industrial source of air pollution. The increasing availability of green power enables electricity customers to accelerate installation of renewable energy technologies. As more green power sources are developed - displacing conventional generation - the overall environmental impacts associated with electricity generation will be significantly reduced.Benefits of Green PowerChoosing green power offers a number of benefits to businesses and institutions, including:Environmental stewardship - Many innovative organizations are establishing envi...
  • 03 2018 - 01 -
    source;
    author;
    In 1839, French physicist Alexander E. Becquerel discovered the photovoltaic effect involving conversion of solar energy into electrical energy in semiconductor element.Photovoltaic cell consists of high-purity silicon. On the silicon, a PN (positive-negative) junction was formed as a potential barrier. Photons falling on the PN junction cause the rise of pairs of opposite electrical charge carriers (electron-hole), which as a result of the presence of PN junction are separated in two different directions. Electrons go to the semiconductor N and holes go to the semiconductor P. The voltage will arise on the junction. Because the separated electrical charges are redundant carriers, having so called, infinite life and a PN junction voltage is constant, the junction, on which the light f...
  • 03 2018 - 01 -
    source;
    author; Bob
    PV is emerging as a major power resource, steadily becoming more affordable and proving to be more reliable than utilities. Photovoltaic power promises a brighter, cleaner future for our children.In 1839, Edmund Becquerel discovered the process of using sunlight to produce an electric current in a solid material, but it wasn't until a century later that scientists eventually learned that the photovoltaic effect caused certain materials to convert light energy into electrical energy. The photovoltaic effect is the basic principal process by which a PV cell converts sunlight into electricity. When light shines on a PV cell, it may be reflected, absorbed, or pass right through. The absorbed light generates electricity. In the early 1950s, photovoltaic (PV) cells were developed a...
  • 09 2018 - 01 -
    source;
    author; Shery
    The United States currently relies heavily on coal, oil, and natural gas for its energy. Fossil fuels are non-renewable, that is, they draw on finite resources that will eventually dwindle, becoming too expensive or too environmentally damaging to retrieve. In contrast, the many types of renewable energy resources-such as wind and solar energy-are constantly replenished and will never run out.Most renewable energy comes either directly or indirectly from the sun. Sunlight, or solar energy, can be used directly for heating and lighting homes and other buildings, for generating electricity, and for hot water heating, solar cooling, and a variety of commercial and industrial uses.The sun's heat also drives the winds, whose energy, is captured with wind turbines. Then, the winds and the su...
  • 11 2018 - 01 -
    source;
    author;
    Green power is electricity that is generated from resources such as solar, wind, geothermal, biomass, and low-impact hydro facilities. Conventional electricity generation, based on the combustion of fossil fuels, is the nation's single largest industrial source of air pollution. The increasing availability of green power enables electricity customers to accelerate installation of renewable energy technologies. As more green power sources are developed - displacing conventional generation - the overall environmental impacts associated with electricity generation will be significantly reduced.Benefits of Green PowerChoosing green power offers a number of benefits to businesses and institutions, including:Environmental stewardship - Many innovative organizations are establishing envi...
  • 03 2018 - 01 -
    source;
    author;
    In 1839, French physicist Alexander E. Becquerel discovered the photovoltaic effect involving conversion of solar energy into electrical energy in semiconductor element.Photovoltaic cell consists of high-purity silicon. On the silicon, a PN (positive-negative) junction was formed as a potential barrier. Photons falling on the PN junction cause the rise of pairs of opposite electrical charge carriers (electron-hole), which as a result of the presence of PN junction are separated in two different directions. Electrons go to the semiconductor N and holes go to the semiconductor P. The voltage will arise on the junction. Because the separated electrical charges are redundant carriers, having so called, infinite life and a PN junction voltage is constant, the junction, on which the light f...
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