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Solar Photovoltaic (PV) Panels already power such familiar objects as pocket calculators, yardlights, and watches. They also have numerous commercial users such as navigational buoys, radio repeaters, and mobile retail vending carts. Agriculturally, PVs control electric fencing, irrigation pumps, and livestock watering troughs. Municipalities use PVs to light parking lots, public parks and recreational trails, and to control the irrigation of inaccessible areas such as median strips.


International government agencies have installed PVs as the original energy source of solar use for entire villages in remote areas of less developed countries. Solar photovoltaic's uses are now, after hydro and wind power, the third most important renewable energy source in terms of globally installed capacity.

More than 100 countries currently use solar Photovoltaics.