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Renewable energy comes from natural processes that are replenished faster than they are consumed.
Renewable energy is energy harnessed from natural phenomena that occur continuously and are replenished on a human timescale. The International Energy Agency describes it as energy derived from natural processes that are replenished faster than they are consumed. Commonly recognized renewable sources include solar power, wind power, hydropower, geothermal energy, and biomass. Renewable energy is often used to replace conventional fuels across multiple areas, including electricity generation, hot water and space heating, transportation, and rural (off-grid) energy services. While renewable energy generally produces much fewer carbon emissions than fossil fuels, it is not identical to “low-carbon energy,” because some renewables (for example, certain forms of biomass burning) can still be carbon-intensive, and some non-renewables (such as nuclear power) can have very low operational emissions.
Renewable energy comes from natural processes that are replenished faster than they are consumed.
Major renewable sources include solar, wind, hydropower, geothermal, and biomass.
Renewables can displace conventional fuels in electricity, heating, transport, and off-grid services.
Renewable energy is not the same as low-carbon energy; emissions vary by source and practice.
Energy derived from natural processes that are replenished at a faster rate than they are consumed.
Energy captured from sunlight and converted into electricity or heat.
Energy generated by converting the kinetic energy of moving air into electricity.
Electricity or useful energy produced by harnessing the flow of water, such as in rivers or dams.
Heat extracted from the Earth’s crust for electricity generation or direct heating.
Biological material from living or recently living organisms used as a fuel for heat or conversion into biofuels.
Renewable energy sources whose output fluctuates, such as wind and solar.
Renewable sources that can be dispatched more predictably, such as dammed hydropower, bioenergy, or geothermal power.
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