SummaryOverviewHistoryMainstream technologiesEmerging technologiesConsumption by sectorIntegration into the energy system and sector couplingMarket and industry trends
Renewable energy, green energy, or low-carbon energy is energy from renewable resources that are naturally replenished on a human timescale. Renewable resources include sunlight, wind, the movement of water, and geothermal heat. Although most renewable energy sources are sustainable, some are not. For example, some biomass sources are considered unsustainable at current rates of