Renewable energy is a form of energy produced from a source that is naturally and constantly replenished. It is primarily used in one of three forms:
■■ Generation of electricity: Renewable resources are harnessed to generate electricity that is distributed for residential, commercial and industrial purposes;
■■ Heating: Whether created centrally or in a decentralized manner (in individual buildings), renewable resources, such as solar-heated water, can be used to directly heat buildings; and
■■ Transportation: Fuel for private vehicles, public transportation and industrial and commercial use, such as freight trains, ships and airplanes, can be generated from renewable resources.