Portal:Renewable energy

Renewable energy sources

General

Renewable energy by country

• Image 1The Warwick Castle water-powered generator house, used for the generation of electricity for the castle from 1894 until 1940 (from Hydroelectricity)
  Image 1The Warwick Castle water-powered generator house, used for the generation of electricity for the castle from 1894 until 1940 (from Hydroelectricity )
• Image 2Thermal energy storage. The Andasol CSP plant uses tanks of molten salt to store solar energy. (from Solar energy)
  Image 2Thermal energy storage. The Andasol CSP plant uses tanks of molten salt to store solar energy. (from Solar energy )
• Image 3Pico hydroelectricity in Mondulkiri, Cambodia (from Hydroelectricity)
  Image 3Pico hydroelectricity in Mondulkiri, Cambodia (from Hydroelectricity )
• Image 4Share of electricity production from wind, 2023 (from Wind power)
  Image 4Share of electricity production from wind, 2023 (from Wind power )
• Image 5A power plant at The Geysers (from Geothermal energy)
  Image 5A power plant at The Geysers (from Geothermal energy )
• Image 6Hydro generation by country, 2021 (from Hydroelectricity)
  Image 6Hydro generation by country, 2021 (from Hydroelectricity )
• Image 7A small Quietrevolution QR5 Gorlov type vertical axis wind turbine on the roof of Bristol Beacon in Bristol, England. Measuring 3 m in diameter and 5 m high, it has a nameplate rating of 6.5 kW. (from Wind power)
  Image 7A small Quietrevolution QR5 Gorlov type vertical axis wind turbine on the roof of Bristol Beacon in Bristol, England. Measuring 3 m in diameter and 5 m high, it has a nameplate rating of 6.5 kW. (from Wind power )
• Image 8Seasonal cycle of capacity factors for wind and photovoltaics in Europe under idealized assumptions. The figure illustrates the balancing effects of wind and solar energy at the seasonal scale (Kaspar et al., 2019). (from Wind power)
  Image 8Seasonal cycle of capacity factors for wind and photovoltaics in Europe under idealized assumptions. The figure illustrates the balancing effects of wind and solar energy at the seasonal scale (Kaspar et al., 2019). (from Wind power )
• Image 9Share of electricity production from hydropower, 2023 (from Hydroelectricity)
  Image 9Share of electricity production from hydropower, 2023 (from Hydroelectricity )
• Image 10Electricity generation at Ohaaki, New Zealand (from Geothermal energy)
  Image 10Electricity generation at Ohaaki, New Zealand (from Geothermal energy )
• Image 11Electricity production by source (from Wind power)
  Image 11Electricity production by source (from Wind power )
• Image 12Global geothermal electric capacity. Upper red line is installed capacity; lower green line is realized production. (from Geothermal energy)
  Image 12Global geothermal electric capacity. Upper red line is installed capacity; lower green line is realized production. (from Geothermal energy )
• Image 13Greenhouses like these in the Westland municipality of the Netherlands grow vegetables, fruits and flowers. (from Solar energy)
  Image 13Greenhouses like these in the Westland municipality of the Netherlands grow vegetables, fruits and flowers. (from Solar energy )
• Image 14Participants in a workshop on sustainable development inspect solar panels at Monterrey Institute of Technology and Higher Education, Mexico City on top of a building on campus. (from Solar energy)
  Image 14Participants in a workshop on sustainable development inspect solar panels at Monterrey Institute of Technology and Higher Education, Mexico City on top of a building on campus. (from Solar energy )
• Image 15A panoramic view of the United Kingdom's Whitelee Wind Farm with Lochgoin Reservoir in the foreground. (from Wind power)
  Image 15A panoramic view of the United Kingdom's Whitelee Wind Farm with Lochgoin Reservoir in the foreground. (from Wind power )
• Image 16The Imperial Valley Geothermal Project near the Salton Sea, California (from Geothermal energy)
  Image 16The Imperial Valley Geothermal Project near the Salton Sea, California (from Geothermal energy )
• Image 17Wind farm in Xinjiang, China (from Wind power)
  Image 17Wind farm in Xinjiang, China (from Wind power )
• Image 18Livestock grazing near a wind turbine. (from Wind power)
  Image 18Livestock grazing near a wind turbine. (from Wind power )
• Image 19Measurement of the tailrace and forebay rates at the Limestone Generating Station in Manitoba, Canada (from Hydroelectricity)
  Image 19Measurement of the tailrace and forebay rates at the Limestone Generating Station in Manitoba, Canada (from Hydroelectricity )
• Image 20Distribution of wind speed (red) and energy (blue) for all of 2002 at the Lee Ranch facility in Colorado. The histogram shows measured data, while the curve is the Rayleigh model distribution for the same average wind speed. (from Wind power)
  Image 20Distribution of wind speed (red) and energy (blue) for all of 2002 at the Lee Ranch facility in Colorado. The histogram shows measured data, while the curve is the Rayleigh model distribution for the same average wind speed. (from Wind power )
• Image 21Global map of horizontal irradiation (from Solar energy)
  Image 21Global map of horizontal irradiation (from Solar energy )
• Image 22MIT's Solar House #1, built in 1939 in the US, used seasonal thermal energy storage for year-round heating. (from Solar energy)
  Image 22MIT's Solar House #1, built in 1939 in the US, used seasonal thermal energy storage for year-round heating. (from Solar energy )
• Image 23Installed geothermal energy capacity, 2022 (from Geothermal energy)
  Image 23Installed geothermal energy capacity, 2022 (from Geothermal energy )
• Image 24The Ffestiniog Power Station can generate 360 MW of electricity within 60 seconds of the demand arising. (from Hydroelectricity)
  Image 24The Ffestiniog Power Station can generate 360 MW of electricity within 60 seconds of the demand arising. (from Hydroelectricity )
• Image 25Parabolic dish produces steam for cooking, in Auroville, India. (from Solar energy)
  Image 25Parabolic dish produces steam for cooking, in Auroville, India. (from Solar energy )
• Image 26Enhanced geothermal system 1:Reservoir 2:Pump house 3:Heat exchanger 4:Turbine hall 5:Production well 6:Injection well 7:Hot water to district heating 8:Porous sediments 9:Observation well 10:Crystalline bedrock (from Geothermal energy)
  Image 26Enhanced geothermal system 1:Reservoir 2:Pump house 3:Heat exchanger 4:Turbine hall 5:Production well 6:Injection well 7:Hot water to district heating 8:Porous sediments 9:Observation well 10:Crystalline bedrock (from Geothermal energy )
• Image 27A micro-hydro facility in Vietnam (from Hydroelectricity)
  Image 27A micro-hydro facility in Vietnam (from Hydroelectricity )
• Image 28A turbine blade convoy passing through Edenfield in the U.K. (2008). Even longer 2-piece blades are now manufactured, and then assembled on-site to reduce difficulties in transportation. (from Wind power)
  Image 28A turbine blade convoy passing through Edenfield in the U.K. (2008). Even longer 2-piece blades are now manufactured, and then assembled on-site to reduce difficulties in transportation. (from Wind power )
• Image 29Cost development of solar PV modules per watt (from Solar energy)
  Image 29Cost development of solar PV modules per watt (from Solar energy )
• Image 30Acceptance of wind and solar facilities in one's community is stronger among U.S. Democrats (blue), while acceptance of nuclear power plants is stronger among U.S. Republicans (red). (from Wind power)
  Image 30Acceptance of wind and solar facilities in one's community is stronger among U.S. Democrats (blue), while acceptance of nuclear power plants is stronger among U.S. Republicans (red). (from Wind power )
• Image 31Krafla Geothermal Station in northeast Iceland (from Geothermal energy)
  Image 31Krafla Geothermal Station in northeast Iceland (from Geothermal energy )
• Image 32Roscoe Wind Farm: an onshore wind farm in West Texas near Roscoe (from Wind power)
  Image 32Roscoe Wind Farm: an onshore wind farm in West Texas near Roscoe (from Wind power )
• Image 33Charles F. Brush's windmill of 1888, used for generating electric power. (from Wind power)
  Image 33Charles F. Brush's windmill of 1888, used for generating electric power. (from Wind power )
• Image 34In 2016, Solar Impulse 2 was the first solar-powered aircraft to complete a circumnavigation of the world. (from Solar energy)
  Image 34In 2016, Solar Impulse 2 was the first solar-powered aircraft to complete a circumnavigation of the world. (from Solar energy )
• Image 35Concentrated solar panels are getting a power boost. Pacific Northwest National Laboratory (PNNL) will be testing a new concentrated solar power system – one that can help natural gas power plants reduce their fuel usage by up to 20 percent.[needs update] (from Solar energy)
  Image 35Concentrated solar panels are getting a power boost. Pacific Northwest National Laboratory (PNNL) will be testing a new concentrated solar power system – one that can help natural gas power plants reduce their fuel usage by up to 20 percent.^{[needs update ]} (from Solar energy )
• Image 36Wind turbines are typically installed in windy locations. In the image, wind power generators in Spain, near an Osborne bull. (from Wind power)
  Image 36Wind turbines are typically installed in windy locations. In the image, wind power generators in Spain, near an Osborne bull. (from Wind power )
• Image 37Global map of wind speed at 100 meters on land and around coasts. (from Wind power)
  Image 37Global map of wind speed at 100 meters on land and around coasts. (from Wind power )
• Image 38The oldest known pool fed by a hot spring, built in the Qin dynasty in the 3rd century BCE (from Geothermal energy)
  Image 38The oldest known pool fed by a hot spring, built in the Qin dynasty in the 3rd century BCE (from Geothermal energy )
• Image 39Global map of wind power density potential (from Wind power)
  Image 39Global map of wind power density potential (from Wind power )
• Image 40The Hoover Dam in the United States is a large conventional dammed-hydro facility, with an installed capacity of 2,080 MW. (from Hydroelectricity)
  Image 40The Hoover Dam in the United States is a large conventional dammed-hydro facility, with an installed capacity of 2,080 MW . (from Hydroelectricity )
• Image 41Wind turbines such as these, in Cumbria, England, have been opposed for a number of reasons, including aesthetics, by some sectors of the population. (from Wind power)
  Image 41Wind turbines such as these, in Cumbria, England, have been opposed for a number of reasons, including aesthetics, by some sectors of the population. (from Wind power )
• Image 42Steam rising from the Nesjavellir Geothermal Power Station in Iceland (from Geothermal energy)
  Image 42Steam rising from the Nesjavellir Geothermal Power Station in Iceland (from Geothermal energy )
• Image 43Museum Hydroelectric power plant "Under the Town" in Užice, Serbia, built in 1900 (from Hydroelectricity)
  Image 43Museum Hydroelectric power plant "Under the Town" in Užice, Serbia, built in 1900 (from Hydroelectricity )
• Image 44The Three Gorges Dam in Central China is the world's largest power-producing facility of any kind. (from Hydroelectricity)
  Image 44The Three Gorges Dam in Central China is the world's largest power-producing facility of any kind. (from Hydroelectricity )
• Image 45Geothermal power station in the Philippines (from Geothermal energy)
  Image 45Geothermal power station in the Philippines (from Geothermal energy )
• Image 46Typical components of a wind turbine (gearbox, rotor shaft and brake assembly) being lifted into position (from Wind power)
  Image 46Typical components of a wind turbine (gearbox, rotor shaft and brake assembly) being lifted into position (from Wind power )
• Image 47Onshore wind cost per kilowatt-hour between 1983 and 2017 (from Wind power)
  Image 47Onshore wind cost per kilowatt-hour between 1983 and 2017 (from Wind power )
• Image 48Solar water heaters facing the Sun to maximize gain (from Solar energy)
  Image 48Solar water heaters facing the Sun to maximize gain (from Solar energy )
• Image 49Typical wind turbine components: Foundation Connection to the electric grid Tower Access ladder Wind orientation control (yaw control) Nacelle Generator Anemometer Electric or mechanical brake Gearbox Rotor blade Blade pitch control Rotor hub (from Wind power)
  Image 49Typical wind turbine components:

  1. Foundation
  2. Connection to the electric grid
  3. Tower
  4. Access ladder
  5. Wind orientation control (yaw control)
  6. Nacelle
  7. Generator
  8. Anemometer
  9. Electric or mechanical brake
  10. Gearbox
  11. Rotor blade
  12. Blade pitch control
  13. Rotor hub

  (from Wind power )
• Image 50Electricity generation at Poihipi, New Zealand (from Geothermal energy)
  Image 50Electricity generation at Poihipi, New Zealand (from Geothermal energy )
• Image 51Merowe Dam in Sudan. Hydroelectric power stations that use dams submerge large areas of land due to the requirement of a reservoir. These changes to land color or albedo, alongside certain projects that concurrently submerge rainforests, can in these specific cases result in the global warming impact, or equivalent life-cycle greenhouse gases of hydroelectricity projects, to potentially exceed that of coal power stations. (from Hydroelectricity)
  Image 51Merowe Dam in Sudan. Hydroelectric power stations that use dams submerge large areas of land due to the requirement of a reservoir. These changes to land color or albedo, alongside certain projects that concurrently submerge rainforests, can in these specific cases result in the global warming impact, or equivalent life-cycle greenhouse gases of hydroelectricity projects, to potentially exceed that of coal power stations. (from Hydroelectricity )
• Image 52Electricity generation at Wairakei, New Zealand (from Geothermal energy)
  Image 52Electricity generation at Wairakei, New Zealand (from Geothermal energy )
• Image 53Yearly hydro generation by continent (from Hydroelectricity)
  Image 53Yearly hydro generation by continent (from Hydroelectricity )
• Image 54Solar water disinfection in Indonesia (from Solar energy)
  Image 54Solar water disinfection in Indonesia (from Solar energy )
• Image 55Greenhouse gas emissions per energy source. Wind energy is one of the sources with the least greenhouse gas emissions. (from Wind power)
  Image 55Greenhouse gas emissions per energy source. Wind energy is one of the sources with the least greenhouse gas emissions. (from Wind power )
• Image 56Squad Solar (from Solar energy)
  Image 56Squad Solar (from Solar energy )
• Image 57Darmstadt University of Technology, Germany, won the 2007 Solar Decathlon in Washington, DC with this passive house designed for humid and hot subtropical climate. (from Solar energy)
  Image 57Darmstadt University of Technology, Germany, won the 2007 Solar Decathlon in Washington, DC with this passive house designed for humid and hot subtropical climate. (from Solar energy )
• Image 58Energy from wind, sunlight or other renewable energy is converted to potential energy for storage in devices such as electric batteries or higher-elevation water reservoirs. The stored potential energy is later converted to electricity that is added to the power grid, even when the original energy source is not available. (from Wind power)
  Image 58Energy from wind, sunlight or other renewable energy is converted to potential energy for storage in devices such as electric batteries or higher-elevation water reservoirs. The stored potential energy is later converted to electricity that is added to the power grid, even when the original energy source is not available. (from Wind power )
• Image 59The Sun produces electromagnetic radiation that can be harnessed as useful energy. (from Solar energy)
  Image 59The Sun produces electromagnetic radiation that can be harnessed as useful energy. (from Solar energy )