These are modes of energy production, energy storage, or energy conservation, listed alphabetically. Note that not all sources are accepted as legitimate or have been proven to be tappable.
Atomic energy
Banki turbine
Battery (electricity) Bioalcohol Biodiesel Biodiesel production Biofuel Biogas Biomass Bio-nano generator Bitumen Breeder reactor Bubble fusion – a nuclear fusion reaction hypothesized to occur during sonoluminescence, an extreme form of acoustic cavitation. Coal Coal mining Cold fusion Combustion Compound turbine – two axle, steam Compressed air energy storage Concentrated solar power Deep lake water cooling Diesel Dyson sphere Electrical grid Energy tower External combustion engine
Fischer–Tropsch process
Flywheel (storage) Fossil fuel Fossil-fuel power station Francis turbine Fuel – a substance used as a source of energy, usually by the heat produced in combustion Fuel cell Fuel efficiency Fusion power Gas turbine Gasohol Geothermal exchange heat pump Geothermal heating Geothermal power Grid energy storage High-altitude wind power – Energy can be captured from the wind by kites, aerostats, airfoil matrices, balloons, bladed turbines, kytoon, tethered gliders sailplanes Hydroelectricity Hydrogen economy Hydrogen storage, Underground hydrogen storage Hydropower-Energy from moving water Hygroelectricity Implosion Kaplan turbine Light crude oil Liquid fuel Liquid nitrogen engine Marine current power Magnetohydrodynamic, generator, MHD generator or dynamo transforms thermal energy or kinetic energy directly into electricity Methane clathrate Methanol Methanol economy Natural gas Natural gas field Natural gas vehicle Nuclear energy – energy in the nucleus or core of atoms Nuclear fusion Nuclear reactor Nuclear reprocessing Oil drilling Oil platform Oil refinery Oil shale Oil well Osmotic power – or salinity gradient power – is the energy available from the difference in the salt concentration between seawater and river water. OTEC – ocean thermal energy conversion Oxidation Peat Perpetuum Motion Petroleum Photovoltaics Piezoelectricity Pneumatics – compressed air Products based on refined oil Propellant Pumped-storage hydroelectricity Pyrolysis Renewable energy Savonius wind turbine – wind Small hydro
Solar box cooker
Solar cell
Solar chimney
Solar panel
Solar energy
Solar power satellite
Solar thermal energy
Solar updraft tower – large version of the solar chimney concept
Solar water heating
Solid fuel
Sonoluminescence – the emission of short bursts of light from imploding bubbles in a liquid when excited by sound. SSTAR – small, sealed, transportable, autonomous reactor Steam turbine Stirling engine Straight vegetable oil Stranded gas reserve Sulfur-iodine cycle Sustainable design Synfuel Syngas Tar sands Tesla turbine Thermal depolymerization Thermal power station Thermo-electric power Thorium Tidal power Transmutation Turgo turbine – impulse water turbine designed for medium head applications Tyson turbine – for river flow harnessing