abram ioffe active solar adelaide agriculture albedo algae american solar energy society ancient greece archimedes atmospheric circulation auroville bae systems biofuel biomass brackish water brine buoy buoyancy calculator california energy commission canberra capacity factor carbon dioxide carbon finance carbon monoxide carbon nanotubes in photovoltaics charles fritts chile ciudad real clerestory climate clothes line clotheshorse coal coimbatore concentrating solar power convection costa rica crookes radiometer cyclone darmstadt university of technology daylight saving time daylighting deciduous deployment of solar power to energy grids desalination digital object identifier direct current discovery channel distillation drake landing solar community earth electric boat electrolysis electromagnetic spectrum energy information administration energy tax act energy storage ernst werner von siemens evaporation feed-in tariffs in germany fossil fuel fraunhofer society gasoline geosynchronous orbit geothermal energy exploration in central australia geothermal energy in the united states geothermal power geothermal power in china geothermal power in iceland geothermal power in new zealand geothermal power in portugal geothermal power in turkey geothermal power in the united kingdom global dimming gossamer penguin greasestock greenhouse grid-tied electrical system grid energy storage heat heat engine helios heliostat helium high-altitude airship horsepower horticulture hot air balloon hungary hydroelectricity hydrogen production industrial revolution insolation intermittent power source issues relating to biofuels james clerk maxwell jerusalem kenichi horie kilometres per hour kyoto protocol latent heat levelised energy cost life light light tube lighting list of conservation topics list of renewable energy organizations list of renewable energy topics by country list of solar energy topics list of solar thermal power stations little ice age lockheed martin los angeles low cost solar power mit press magnetic sail miles per hour nasa pathfinder nanocrystal solar cell nellis air force base nellis solar power plant net metering nevada nevada solar one new energy and industrial technology development organization nicolas fatio de duillier non-ionizing radiation north american solar challenge oculus off-the-grid optical fiber parabolic reflector parabolic trough passive solar passive solar building design pasteurization pathfinder payback peak demand petroleum photoelectric effect photosynthesis photovoltaic array photovoltaic module photovoltaic power station photovoltaic system photovoltaics photovoltaics in transport polyethylene terephthalate polymer solar cell polytunnel pumped-storage hydroelectricity qinetiq zephyr rajasthan rectenna renewable energy renewable heat row cover russell ohl saline water salt evaporation pond seasonal thermal store selenium silicon soil solarization solar-powered pump solar decathlon solar energy generating systems solar powered desalination unit solar tuki solar air conditioning solar balloon solar car racing solar cell solar chemical solar chimney solar combisystem solar cooker solar desalination solar forge solar furnace solar heating solar hot water solar lamp solar pond solar power in australia solar power in canada solar power in china solar power in germany solar power in india solar power in japan solar power in portugal solar power in south asia solar power in spain solar power in the united kingdom solar power in the united states solar power satellite solar sail solar still solar thermal energy solar thermal rocket solar tracker solar updraft tower solar vehicle solar water disinfection south african solar challenge soviet union space solar power steam reforming still stirling engine sun synonym telstar thermal energy storage thermal mass thermogenerator tiberius tidal power trombe wall united states department of defense urban heat island viking program water cycle wave power weather weizmann institute of science wikimedia commons wind wind power wind power in asia wind power in australia wind power in brazil wind power in canada wind power in china wind power in denmark wind power in estonia wind power in finland wind power in france wind power in germany wind power in greece wind power in india wind power in iran wind power in new zealand wind power in pakistan wind power in portugal wind power in romania wind power in spain wind power in sweden wind power in turkey wind power in the republic of ireland wind power in the united kingdom wind power in the united states wolfgang scheffler working fluid world health organization world solar challenge world energy resources and consumption zephyr zero carbon solar controller zinc oxide