What is Renewable Energy?

Renewable energy is energy that is collected from renewable resources, which are naturally replenished on a human timescale derived from sources that replenish (or renew) quickly. The common examples are: solar energy, wind energy, biomass energy,geothermal heat and hydro-power.

Renewable energy often provides energy in four important areas: electricity generationair and water heating/coolingtransportation, and rural (off-grid) These sources are also clean and environmentally friendly and hence are sustainable. Although renewable energy (like solar energy) is free, yet, converting it to electricity and other energy forms (like heat) is not free and requires energy conversion devices (such as solar panels and wind turbines)


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