Solar photovoltaic (PV) farms use a free source of energy (the sun) to generate electricity from daylight on both sunny and cloudy days. Every 5MW of solar PV installed is sufficient to power 1,515 homes and saves 2,150 tonnes of carbon dioxide.*
Compared to other forms of power generation, solar farms have lower visual impacts but larger physical footprints. Consequently, they are best suited to brownfield sites – where other forms of development are not feasible – or low quality agricultural land. They have a typical lifespan of 25-30 years, at the end of which the land is easily returned to agricultural use, often enhanced by the period of resting, which allows time for a build-up of organic matter in the soil.
Solar PV produces no harmful emissions or noise disturbance, and the panels require minimal maintenance. The energy payback time for production of a solar panel is less than three years.
*Source: Solar Trade Association
How solar works
Solar PV cells are made from layers of semi-conducting material, usually silicon. When light shines on the cell it creates an electric field across the layers causing electricity to flow. The more intense rolex replica watches the light, the greater the flow of electricity.
Electricity is produced in the form of direct current (DC). An inverter is needed to covert this electricity to replica watches alternating current (AC) which can then be exported to the national grid and used in our homes.
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