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shrank from 68% to 62%. In 2022, renewables accounted for 30% of global electricity generation and are projected to reach over 42% by 2028. Many countries already have renewables contributing more than 20% of their total energy supply, with some generating over half or even all their electricity from
845:
provides an important contribution to meeting hot water needs in many countries, most importantly in China, which now has fully 70 percent of the global total (180 GWth)... Worldwide, total installed solar water heating systems meet a portion of the water heating needs of over 70 million households.
3986:
Energy 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
320:
Renewable energy systems have rapidly become more efficient and cheaper over the past 30 years. A large majority of worldwide newly installed electricity capacity is now renewable. Renewable energy sources, such as solar and wind power, have seen significant cost reductions over the past decade,
835:
alone already provides a significant share of electricity in some regions: for example, 14 percent in the U.S. state of Iowa, 40 percent in the northern German state of
Schleswig-Holstein, and 20 percent in the nation of Denmark. Some countries get most of their power from renewables, including
468:-driven). They use water only, or both water and a working fluid. They are heated directly or via light-concentrating mirrors. They operate independently or as hybrids with electric or gas heaters. In large-scale installations, mirrors may concentrate sunlight into a smaller collector.
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are the cheapest new-build electricity. From 2011 to 2021, renewable energy grew from 20% to 28% of global electricity supply. Power from the sun and wind accounted for most of this increase, growing from a combined 2% to 10%. Use of
4694:
Distribution 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
3637:
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
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Seasonal 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
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by incumbent power providers, and local opposition to the use of land for renewable installations. Like all mining, the extraction of minerals required for many renewable energy technologies also results in
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285:, although this is controversial. Renewable energy installations can be large or small and are suited for both urban and rural areas. Renewable energy is often deployed together with further
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Acceptance 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
457:. A variety of configurations are available at varying cost to provide solutions in different climates and latitudes. SWHs are widely used for residential and some industrial applications.
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in the United States in particular starting in 2006... The 93 billion liters of biofuels produced worldwide in 2009 displaced the equivalent of an estimated 68 billion liters of
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is a profitable enterprise that is moving steadily into mainstream business ? As the world economy faces challenges from energy price spikes,
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for heating continues to grow as well. Notable is Sweden, where national use of biomass energy has surpassed that of oil. Direct
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by 2050, 90% of global electricity generation will need to be produced from renewable sources. Renewables also cause much less
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Greenhouse gas emissions per energy source. Wind energy is one of the sources with the least greenhouse gas emissions. (from
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are meanwhile making inroads in the transportation fuels market and are beginning to have a measurable impact on demand for
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Global geothermal electric capacity. Upper red line is installed capacity; lower green line is realized production. (from
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Iceland (100 percent), Brazil (85 percent), Austria (62 percent), New
Zealand (65 percent), and Sweden (54 percent)."
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water-powered generator house, used for the generation of electricity for the castle from 1894 until 1940 (from
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The main motivation to replace fossil fuels with renewable energy sources is to slow and eventually stop
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like these in the
Westland municipality of the Netherlands grow vegetables, fruits and flowers. (from
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sources are those that have a fluctuating nature, such as wind power and solar power. In contrast,
4279:
in the United States is a large conventional dammed-hydro facility, with an installed capacity of
3451:
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are now manufactured, and then assembled on-site to reduce difficulties in transportation. (from
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346:. In general, renewable energy sources cause much lower emissions than fossil fuels. The
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of hydroelectricity projects, to potentially exceed that of coal power stations. (from
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that passes into a storage system for later use. SWH are active (pumped) and passive (
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The following are images from various renewable energy-related articles on
Knowledge.
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Wind turbines are typically installed in windy locations. In the image, wind power
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making them more competitive with traditional fossil fuels. In most countries,
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Participants in a workshop on sustainable development inspect solar panels at
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Global map of wind speed at 100 meters on land and around coasts. (from
3217:(born August 29, 1944) is an environmental advocate and an advocate for
831:
worldwide. Renewable energy generators are spread across the globe, and
21:
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The deployment of renewable energy still faces obstacles, especially
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Monterrey
Institute of Technology and Higher Education, Mexico City
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Pernick and Wilder highlight eight major clean technology sectors:
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872:
487:
450:
424:
370:
233:
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5843:
5209:
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List of countries by electricity production from renewable sources
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5013:
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CSP plant uses tanks of molten salt to store solar energy. (from
3937:
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are making multi-billion dollar investments in clean technology.
3221:. He rose to prominence in 1970 as the coordinator for the first
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1028:
932:
919:
860:
847:
491:
470:
As of 2017, global solar hot water (SHW) thermal capacity is 472
5173:
4975:
Onshore wind cost per kilowatt-hour between 1983 and 2017 (from
5426:
4922:
4342:'s windmill of 1888, used for generating electric power. (from
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3830:
3426:
1004:
964:
503:
499:
495:
250:
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of electricity within 60 seconds of the demand arising. (from
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1012:
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222:
151:
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Share of electricity production from hydropower, 2022 (from
471:
281:
are also significant in some countries. Some also consider
378:. In addition, although most renewable energy sources are
5897:
4917:
submerge large areas of land due to the requirement of a
4914:
4060:
875:, equal to about 5 percent of world gasoline production."
358:
than fossil fuels, improving public health, and are less
4806:
The oldest known pool fed by a hot spring, built in the
72:
Knowledge portal for content related to
Renewable energy
3422:
3382:, clean technologies are seen to be the next engine of
4756:
designed for humid and hot subtropical climate. (from
4609:
Electricity generation at
Wairakei, New Zealand (from
3489:
Share of electricity production from wind, 2022 (from
297:
efficiently and is clean at the point of consumption.
5168:
4779:
Concentrated solar panels are getting a power boost.
4225:
Krafla
Geothermal Station in northeast Iceland (from
4190:
Measurement of the tailrace and forebay rates at the
3913:
Electricity generation at
Poihipi, New Zealand (from
3825:
Museum Hydroelectric power plant "Under the Town" in
3231:
and expanded it to more than 180 nations. During the
3963:
Electricity generation at Ohaaki, New Zealand (from
3661:
Cost development of solar PV modules per watt (from
3173:
1659:
Timeline of sustainable energy research 2020–present
506:
are the leading countries by capacity per person. (
3718:Geothermal power station in the Philippines (from
3448:
405:
261:. The most widely used renewable energy types are
4952:Installed geothermal energy capacity, 2022 (from
4252:with Lochgoin Reservoir in the foreground. (from
3886:'s Solar House #1, built in 1939 in the US, used
3775:Global map of wind power density potential (from
1204:List of conventional hydroelectric power stations
5923:
3355:: The Next Big Growth and Investment Opportunity
3122:
342:, which is widely agreed to be caused mostly by
3330:
44:. Subpages that are no longer needed should be
5497:sister projects provide more on this subject:
4636:that can be harnessed as useful energy. (from
3798:Parabolic dish produces steam for cooking, in
1663:
803:
289:. This has several benefits: electricity can
4671:power-producing facility of any kind. (from
3195:
4438:Yearly hydro generation by continent (from
908:
5353:Documentary films about alternative energy
781:Nuclear power proposed as renewable energy
4248:A panoramic view of the United Kingdom's
396:Refresh with new selections below (purge)
171:
4913:. Hydroelectric power stations that use
4167:Hydro generation by country, 2021 (from
3413:, mobile applications (such as portable
751:Renewable energy in developing countries
423:
232:
154:
5695:
5500:
5487:
5386:People associated with renewable energy
4365:Electricity production by source (from
4136:A turbine blade convoy passing through
3452:
3334:
3177:
3126:
807:
551:Solar power plants in the Mojave Desert
409:
394:
62:update the maintenance information here
5924:
4722:on top of a building on campus. (from
4537:Wind orientation control (yaw control)
766:Renewable energy in the European Union
283:nuclear power a renewable power source
4781:Pacific Northwest National Laboratory
646:Renewable energy in the United States
5041:Nesjavellir Geothermal Power Station
3237:National Renewable Energy Laboratory
2272:
1673:
1419:
1120:
913:
889:Renewables 2010 Global Status Report
428:Solar water collectors installed in
187:
16:
5073:grazing near a wind turbine. (from
4833:A power plant at The Geysers (from
3239:), but left this position when the
1547:List of most powerful wind turbines
1439:Environmental effects of wind power
761:German Renewable Energy Sources Act
13:
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5878:
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5121:Imperial Valley Geothermal Project
4746:Darmstadt University of Technology
3421:. Very large corporations such as
1643:Renewable energy commercialization
1563:List of wind turbine manufacturers
576:Renewable energy commercialization
56:when editing, especially if using
14:
5958:
5306:Lists related to renewable energy
4921:. These changes to land color or
4514:Typical wind turbine components:
1164:Run-of-the-river hydroelectricity
827:provides 18 percent of total net
601:History of ethanol fuel in Brazil
541:Mandatory renewable energy target
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4461:Wind turbines such as these, in
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4353:
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4140:in the U.K. (2008). Even longer
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3093:connected with renewable energy:
177:
172:
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155:
20:
4524:Connection to the electric grid
4059:Solar water heaters facing the
3987:source is not available. (from
3888:seasonal thermal energy storage
3433:, and investment firms such as
3083:
1471:Wind power consulting companies
1156:Pumped-storage hydroelectricity
867:, contributing to a decline in
746:Grand Ethiopian Renaissance Dam
474:and the market is dominated by
460:A Sun-facing collector heats a
227:
5375:Renewable energy organizations
5346:Renewable energy certification
3890:for year-round heating. (from
3366:, argues that commercializing
3243:cut funding for the program. (
902:
691:O'Shaughnessy Dam (California)
1:
5284:Renewable energy by continent
5261:Select to view subcategories
5246:
4810:in the 3rd century BCE (from
3376:global environmental problems
776:Brookfield Renewable Partners
676:Wind power in South Australia
641:Renewable energy in Australia
303:controllable renewable energy
150:
4752:in Washington, DC with this
4192:Limestone Generating Station
3257:List of selected biographies
1587:Unconventional wind turbines
571:Renewable energy in Scotland
7:
5441:Renewable energy technology
5295:Renewable energy by country
4927:life-cycle greenhouse gases
3099:Renewable energy task force
1664:Renewable energy by country
1619:List of offshore wind farms
596:Renewable energy in Iceland
348:International Energy Agency
255:renewable natural resources
168:The Renewable Energy Portal
10:
5963:
5538:Free textbooks and manuals
5419:Renewable energy economics
5006:vertical axis wind turbine
3936:A micro-hydro facility in
3744:: an onshore wind farm in
3635:Enhanced geothermal system
1637:
1627:List of onshore wind farms
1595:Vertical axis wind turbine
1249:Photovoltaic power station
1078:Enhanced geothermal system
716:Photovoltaic power station
636:Renewable energy in Africa
561:Renewable energy in Russia
350:estimates that to achieve
257:that are replenished on a
58:automated editing software
29:Portal maintenance status:
5687:Discover Knowledge using
4634:electromagnetic radiation
3512:Pico hydroelectricity in
3353:The Clean Tech Revolution
3154:, Europe's most powerful
1611:Wind turbine aerodynamics
1487:Wind-powered land vehicle
1217:Concentrating solar power
854:is also growing rapidly."
771:Renewable energy in India
661:The Clean Tech Revolution
520:List of selected articles
299:Variable renewable energy
211:Tasks & announcements
5678:Dictionary and thesaurus
5598:Collection of quotations
4857:Solar water disinfection
4748:, Germany, won the 2007
3686:Ffestiniog Power Station
1503:Wind resource assessment
909:Renewable energy sources
726:Concentrated solar power
344:greenhouse gas emissions
5397:Renewable energy policy
4063:to maximize gain (from
3833:, built in 1900. (from
3442:More did you know facts
3407:personal transportation
3109:WikiProject Environment
1377:Timeline of solar cells
1321:Solar thermal collector
1273:Space-based solar power
1042:Biomass heating systems
455:solar thermal collector
305:sources include dammed
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5474:Renewable energy stubs
5257:
5039:Steam rising from the
4310:Thermal energy storage
3858:horizontal irradiation
3582:solar-powered aircraft
3200:
3167:More selected pictures
3114:WikiProject Technology
1495:Wind power forecasting
1281:Solar air conditioning
1225:Nanocrystal solar cell
1086:Geothermal electricity
852:geothermal for heating
829:electricity generation
432:
237:
5947:Environmental portals
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5518:Free media repository
5507:
5408:Renewable electricity
5255:
3241:Reagan administration
3233:Carter administration
3199:
3174:Selected biography -
1571:Savonius wind turbine
1555:Floating wind turbine
1531:Darrieus wind turbine
1523:Airborne wind turbine
1447:History of wind power
1431:Community wind energy
681:Croton Dam (Michigan)
611:Solar power in Israel
531:100% renewable energy
427:
367:fossil fuel subsidies
236:
5638:Directory of species
5618:Free-content library
5495:Wikimedia Foundation
5488:Associated Wikimedia
3588:of the world. (from
1603:Wind farm management
1455:Wind energy software
1329:Solar thermal energy
1110:Geothermal heat pump
1064:Carbon negative fuel
896:More selected quotes
626:Scout Moor Wind Farm
376:environmental damage
5907:WikiProject Portals
5709:List of all portals
5658:Free learning tools
5558:Free knowledge base
5328:Anaerobic digestion
5127:, California (from
5000:Quietrevolution QR5
4859:in Indonesia (from
4576:Blade pitch control
3545:generators in Spain
3358:, the 2007 book by
2278:Hydroelectric power
1539:Wind turbine design
1479:Wind power industry
1369:Solar water heating
1337:Solar updraft tower
1257:Photovoltaic system
1094:Geothermal gradient
591:Sustainable biofuel
438:Solar water heating
406:Selected article -
335:renewable sources.
60:. Learn how to
5942:Technology portals
5902:
5884:
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5817:Mathematics portal
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4250:Whitelee Wind Farm
3372:resource shortages
3368:clean technologies
3227:Hayes founded the
3201:
3156:solar power towers
3104:WikiProject Energy
2315:Dominican Republic
1579:Small wind turbine
1353:Solar-pumped laser
1265:Polymer solar cell
1241:Photovoltaic array
1102:Geothermal heating
1034:Biomass briquettes
981:Cellulosic ethanol
881:Christopher Flavin
433:
352:net zero emissions
323:photovoltaic solar
238:
203:Recognized content
5920:
5919:
5871:Technology portal
5578:Free-content news
5364:Geothermal energy
5262:
5153:Geothermal energy
5130:Geothermal energy
5050:Geothermal energy
4955:Geothermal energy
4836:Geothermal energy
4813:Geothermal energy
4632:The Sun produces
4612:Geothermal energy
4228:Geothermal energy
3966:Geothermal energy
3916:Geothermal energy
3721:Geothermal energy
3641:Geothermal energy
3471:
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3449:General images -
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3229:Earth Day Network
3214:Denis Allen Hayes
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666:Geothermal energy
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382:, some are not. (
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3331:Did you know? -
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1679:Renewable energy
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731:Salmon Creek Dam
656:Exelon Pavilions
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556:Grand Coulee Dam
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242:Renewable energy
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5256:Category puzzle
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3384:economic growth
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3293:Hans-Josef Fell
3268:John I. Yellott
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3246:Full article...
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865:petroleum fuels
843:Solar hot water
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756:Renewable fuels
741:New Melones Dam
711:NASA Pathfinder
686:New Waddell Dam
522:
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509:Full article...
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287:electrification
259:human timescale
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3324:
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3321:
3320:
3315:
3313:Dan W. Reicher
3310:
3305:
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3298:Hermann Scheer
3295:
3290:
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3280:
3278:Stefan Krauter
3275:
3273:Jeremy Leggett
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2508:Czech Republic
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2387:United Kingdom
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2101:
2090:United Kingdom
2004:
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1801:Czech Republic
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811:load new batch
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340:climate change
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37:This portal's
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5889:Random portal
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4754:passive house
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3206:Hayes in 2000
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2019:
2015:
2014:
2010:
2009:
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2001:United States
1998:
1994:
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1514:Wind turbines
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1361:Solar tracker
1358:
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1305:Solar heating
1302:
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1297:Solar chimney
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1270:
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1233:Photovoltaics
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1180:Water turbine
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1021:Vegetable oil
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804:Quotations -
792:
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736:Pensacola Dam
734:
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727:
724:
722:
719:
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714:
712:
709:
707:
706:Aditya (boat)
704:
702:
701:Solar vehicle
699:
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480:United States
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462:working fluid
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447:heating water
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363:
361:
357:
356:air pollution
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332:fossil energy
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144:Random portal
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79:Portal topics
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63:
59:
55:
47:
46:reported here
43:
41:
36:
35:
30:
26:
23:
19:
18:
5686:
5492:
5430:Solar energy
5151:
5128:
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5017:
4976:
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4930:
4884:
4862:Solar energy
4860:
4834:
4811:
4786:Solar energy
4784:
4759:Solar energy
4757:
4725:Solar energy
4723:
4696:
4672:
4639:Solar energy
4637:
4610:
4587:
4494:Solar energy
4492:
4466:
4439:
4416:
4393:
4366:
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4319:Solar energy
4317:
4287:
4253:
4226:
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4091:
4066:Solar energy
4064:
4039:Solar energy
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3893:Solar energy
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3589:
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3521:
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3364:Clint Wilder
3351:
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3337:
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3283:David Faiman
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3181:show another
3180:
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3091:WikiProjects
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327:onshore wind
319:
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263:solar energy
247:green energy
246:
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228:Introduction
194:
38:
28:
5932:All portals
5654:Wikiversity
5634:Wikispecies
5452:Water power
5317:Algaculture
5239:Engineering
5003:Gorlov type
4808:Qin dynasty
4571:Rotor blade
4489:Squad Solar
4034:Greenhouses
3391:solar power
3360:Ron Pernick
3219:solar power
3016:South Korea
2968:Philippines
2952:New Zealand
2944:Netherlands
2747:Europe (EU)
2676:Switzerland
2612:New Zealand
2604:Netherlands
2415:Europe (EU)
2402:Solar power
2363:New Zealand
2355:Netherlands
2214:Philippines
2206:New Zealand
2150:El Salvador
2066:New Zealand
2013:Europe (EU)
1913:New Zealand
1905:Netherlands
1705:Afghanistan
1700:Europe (EU)
1385:Tidal power
1313:Solar panel
1188:Water wheel
1172:Tidal power
1140:Micro hydro
1132:Small hydro
1050:Biorefinery
989:Corn stover
973:Biogasoline
941:Babassu oil
903:Main topics
859:"Renewable
846:The use of
791:Tesla, Inc.
671:Solar power
651:Rampart Dam
546:The Geysers
380:sustainable
109:Mathematics
33:(June 2018)
5926:Categories
5674:Wiktionary
5614:Wikisource
5463:Wind power
5247:Categories
5215:Technology
5179:Wind power
5125:Salton Sea
5099:Wind power
5076:Wind power
5019:Wind power
4978:Wind power
4907:Merowe Dam
4886:Wind power
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4519:Foundation
4468:Wind power
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4277:Hoover Dam
4255:Wind power
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3990:Wind power
3778:Wind power
3755:Wind power
3746:West Texas
3554:Wind power
3547:, near an
3514:Mondulkiri
3492:Wind power
3415:fuel cells
3411:smart grid
3395:wind power
3308:Steven Chu
3288:Rolf Disch
2734:Wind power
1953:Seychelles
1881:Luxembourg
1793:Costa Rica
1745:Bangladesh
1651:Smart grid
1518:Wind farms
1426:Wind power
1404:Wave power
1390:Tidal farm
1345:Solar pond
1289:Solar cell
1196:Hydropower
1148:Pico hydro
1073:Geothermal
949:Biobutanol
925:Algae fuel
833:wind power
786:Wave power
631:Hoover Dam
616:Wind power
466:convection
453:, using a
271:hydropower
267:wind power
139:Technology
124:Philosophy
84:Activities
5594:Wikiquote
5534:Wikibooks
5339:Bioenergy
5123:near the
5071:Livestock
4919:reservoir
4581:Rotor hub
4547:Generator
4138:Edenfield
3800:Auroville
3574:In 2016,
3349:... that
3318:Elon Musk
3223:Earth Day
2912:Lithuania
2752:Australia
2580:Lithuania
2420:Australia
2174:Indonesia
2110:Australia
2018:Australia
1873:Lithuania
1737:Australia
1729:Argentina
1409:Wave farm
1398:Tide mill
957:Biodiesel
536:Tide mill
311:bioenergy
291:move heat
275:Bioenergy
195:Main page
94:Geography
54:take care
5574:Wikinews
5554:Wikidata
5147:Image 59
5116:Image 58
5093:Image 57
5067:Image 56
5036:Image 55
4998:A small
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3551:. (from
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3399:biofuels
3048:Thailand
2984:Portugal
2960:Pakistan
2684:Thailand
2636:Portugal
2620:Pakistan
2460:Bulgaria
2307:Colombia
2291:Bulgaria
2222:Portugal
1977:Thailand
1937:Portugal
1929:Pakistan
1833:Honduras
1809:Ethiopia
1785:Columbia
1463:Windmill
887:(2010).
873:gasoline
861:biofuels
488:Barbados
451:sunlight
371:lobbying
295:vehicles
129:Religion
40:subpages
5689:portals
5514:Commons
5227:Science
5203:Ecology
5045:Iceland
4667:is the
4566:Gearbox
4542:Nacelle
4463:Cumbria
4314:Andasol
3938:Vietnam
3715:Image 9
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3608:Image 5
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3509:Image 2
3486:Image 1
3417:), and
3162:, Spain
3160:Seville
3158:, near
2992:Romania
2936:Morocco
2880:Ireland
2856:Hungary
2840:Germany
2824:Finland
2816:Estonia
2808:Denmark
2800:Croatia
2768:Belgium
2760:Austria
2700:Ukraine
2644:Romania
2596:Morocco
2532:Germany
2516:Denmark
2444:Belgium
2436:Albania
2428:Austria
2371:Romania
2283:Albania
2230:Romania
2166:Iceland
2158:Germany
2142:Denmark
2042:Denmark
2008:Biofuel
1889:Morocco
1841:Iceland
1825:Germany
1817:Finland
1721:Algeria
1713:Albania
1638:General
1029:Biomass
933:Bagasse
920:Biofuel
891:p. 53.
848:biomass
492:Austria
134:Society
104:History
89:Culture
52:Please
5191:Energy
5047:(from
4923:albedo
4586:(from
4491:(from
4312:. The
4281:2,080
4200:Canada
3940:(from
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3752:(from
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3520:(from
3427:Toyota
3409:, the
3378:, and
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1997:·
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935:
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500:Israel
496:Cyprus
484:Turkey
478:, the
269:, and
251:energy
215:
207:
199:
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119:People
114:Nature
99:Health
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4529:Tower
3827:Užice
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2198:Kenya
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2140:
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2132:
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2124:
2116:
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2088:
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2072:
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2058:Italy
2056:
2050:India
2048:
2040:
2034:China
2032:
2024:
1999:
1991:
1983:
1975:
1969:Spain
1967:
1959:
1951:
1943:
1935:
1927:
1919:
1911:
1903:
1897:Nepal
1895:
1887:
1879:
1871:
1865:Kenya
1863:
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1855:
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1847:
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1831:
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1807:
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1791:
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1767:
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1698:
1690:
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1617:
1609:
1601:
1593:
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1577:
1561:
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1469:
1461:
1453:
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1396:
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1327:
1319:
1311:
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1100:
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939:
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476:China
445:) is
430:Spain
360:noisy
313:, or
253:from
249:) is
5119:The
4915:dams
4659:The
4388:The
4275:The
3690:360
3684:The
3429:and
3362:and
3152:PS20
3150:and
3148:PS10
2872:Iran
2739:Asia
1692:Asia
1516:and
502:and
482:and
293:and
277:and
245:(or
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5012:in
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3386:.
883:in
449:by
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325:or
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823:"
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441:(
64:.
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