An Introduction to Solar Energy. World solar photovoltaic (PV) installations increased 19% in one year, reaching a record high of 1,744 megawatts (MW)

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World solar photovoltaic (PV) installations increased 19% in one year, reaching a record high of 1,744 megawatts (MW) in 2006.

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An Introduction to Solar Energy World solar photovoltaic (PV) installations increased 19% in one year, reaching a record high of 1,744 megawatts (MW) in 2006. Radiant Energy Solar Radiation Passive Solar Heating Active Solar Heating Daylighting Concentrating Solar-Thermal Photovoltaics (PV) Solar Technologies PV cells Modules Arrays Array Field PV System Photovoltaics Clean Sustainable Free Provide Electricity to Remote Places Advantages of Solar Energy Inefficient & Costly Part-Time Reliability Depends on Location Disadvantages of Solar Energy