Per the US Department of Energy, the term “green power” generally refers to electricity supplied in whole or in part from renewable energy sources, such as wind and solar power, geothermal, hydropower, and various forms of biomass. Increasingly, electricity customers are being given electricity supply options, either as retail power markets open to competition or when their regulated utilities develop green pricing programs. More than 50% of retail customers in the United States now have an option of purchasing a green power product directly from their electricity supplier. In addition, consumers can support renewable energy development through the purchase of green energy certificates.
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