Dyson sphere
A Dyson sphere is a hypothetical megastructure that completely encompasses a star and hence captures most or all of its power output. It was first described by Freeman Dyson. Dyson speculated that suc...
Dyson sphere - Wikipedia
Future energy development
Energy development is a field of endeavor focused on making available sufficient primary energy sources and secondary energy forms to meet the needs of society. These endeavors encompass those which p...
Future energy development - Wikipedia
Dyson spheres in popular culture
This is a listing uses of the Dyson sphere concept in popular fiction. Most fictional works depict the Dyson shell variant. Unless otherwise noted, that is the type of Dyson sphere in the instances be...
Hydrogen economy
The hydrogen economy is a proposed system of delivering energy using hydrogen. The term hydrogen economy was coined by John Bockris during a talk he gave in 1970 at General Motors (GM) Technical Cent...
Hydrogen economy - Wikipedia
Peak oil
Peak oil, an event based on M. King Hubbert's theory, is the point in time when the maximum rate of extraction of petroleum is reached, after which the rate of production is expected to enter terminal...
Peak oil - Wikipedia
Tidal power
Tidal power, also called tidal energy, is a form of hydropower that converts the energy of tides into useful forms of power, mainly electricity.Although not yet widely used, tidal power has potential...
Tidal power - Wikipedia
Fossil fuel
Fossil fuels are fuels formed by natural processes such as anaerobic decomposition of buried dead organisms. The age of the organisms and their resulting fossil fuels is typically millions of years, a...
Fossil fuel - Wikipedia
Photovoltaics
Photovoltaics (PV) is a method of converting solar energy into direct current electricity using semiconducting materials that exhibit the photovoltaic effect. A photovoltaic system employs solar panel...
Photovoltaics - Wikipedia
List of offshore wind farms
The locations of the European 23 of the world's 25 largest operational offshore wind farmsThis page lists the top 25 offshore wind farms that are currently ...
List of offshore wind farms - Wikipedia
Outline of energy development
The following outline is provided as an overview of and topical guide to energy development:Energy development – the effort to provide sufficient primary energy sources and secondary energy form...
Climate change mitigation
Climate change mitigation consists of actions to limit the magnitude and/or rate of long-term climate change. Climate change mitigation generally involves reductions in human (anthropogenic) emissions...
Climate change mitigation - Wikipedia
Grid energy storage
Grid energy storage (also called large-scale energy storage) refers to the methods used to store electricity on a large scale within an electrical power grid. Electrical energy is stored during times ...
Grid energy storage - Wikipedia
Energy storage
Energy storage is accomplished by devices or physical media that store energy to perform useful processes at a later time. A device that stores energy is sometimes called an accumulator.Many forms of ...
Energy storage - Wikipedia
Pumped-storage hydroelectricity
Pumped-storage hydroelectricity (PSH) is a type of hydroelectric energy storage used by electric power systems for load balancing. The method stores energy in the form of gravitational potential ener...
Pumped-storage hydroelectricity - Wikipedia
Water cycle
Earth's water cycle As the Earth's surface water evaporates, winds move water in the air from the sea to the land, increasing the amount of fresh water on land. Water vapor is converted to clouds ...
Water cycle - Wikipedia
List of onshore wind farms
This is a list of the largest onshore wind farms that are currently operational, rated by generating capacity. Also listed are onshore wind farms with notability other than size, and the ten largest p...
List of onshore wind farms - Wikipedia
Pipeline transport
Pipeline transport is the transportation of goods through a pipe. P&GJ’s worldwide survey figures indicate that 118,623 miles of pipelines are planned and under construction. Of these, 88,976 repr...
Pipeline transport - Wikipedia
Efficient energy use
Efficient energy use, sometimes simply called energy efficiency, is the goal to reduce the amount of energy required to provide products and services. For example, insulating a home allows a building ...
Efficient energy use - Wikipedia
Cost of electricity by source
The cost of electricity generated by different sources is a calculation of the cost of generating electricity at the point of connection to a load or electricity grid. The cost is typically given per ...
Cost of electricity by source - Wikipedia
Nuclear power
Nuclear power is the use of nuclear reactors to release nuclear energy, and thereby generate electricity. The term includes nuclear fission, nuclear decay and nuclear fusion. Presently, the nuclear fi...
Nuclear power - Wikipedia
Geothermal power
Geothermal electricity is electricity generated from geothermal energy.Technologies in use include dry steam power stations, flash steam power stations and binary cycle power stations. Geothermal ele...
Geothermal power - Wikipedia
Solar energy
Solar energy is radiant light and heat from the sun harnessed using a range of ever-evolving technologies such as solar heating, solar photovoltaics, solar thermal energy, solar architecture and artif...
Solar energy - Wikipedia
Wind power
Wind power is extracted from air flow using wind turbines or sails to produce mechanical or electrical power. Windmills are used for their mechanical power, windpumps for water pumping, and sails to p...
Wind power - Wikipedia
Hydroelectricity
Hydroelectricity is the term referring to electricity generated by hydropower; the production of electrical power through the use of the gravitational force of falling or flowing water. It is the mos...
Hydroelectricity - Wikipedia
Renewable energy
Renewable energy is generally defined as energy that comes from resources which are naturally replenished on a human timescale such as sunlight, wind, rain, tides, waves and geothermal heat. Renewable...
Renewable energy - Wikipedia
Carbon pricing
Carbon pricing — the method most favored by economics for reducing global-warming emissions — charges those who emit carbon dioxide (CO2) for their emissions. That charge, called a carbon price, is th...
Carbon pricing - Wikipedia
Peak uranium
Peak uranium is the point in time that the maximum global uranium production rate is reached. After that peak, according to Hubbert peak theory, the rate of production enters a terminal decline. While...
Peak uranium - Wikipedia