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- S. David FreemanSimon David Freeman (January 14, 1926 – May 12, 2020) was an American engineer, attorney,
- S&P Global EnergyAmerican energy markets information provider
- Sabah–Sarawak Gas PipelineNatural gas pipeline in Malaysia
- Safaniya Oil FieldOffshore oil field in Saudi Arabia
- Saint-Alban Nuclear Power PlantThe Saint-Alban nuclear power plant is located on the Rhone river, in the Isère department
- SaipemItalian oil and gas contractor
- Sakhalin-IOil and natural gas drilling project in Sakhalin Oblast, Russia
- Sakhalin-IIOil and natural gas drilling project in Sakhalin Oblast, Russia
- Sally Benson (professor)American hydrologist, engineer, and professor
- Saltire PrizeScottish technology prize for wave and tidal energy
- Saltire SocietyThe Saltire Society is a membership organisation which aims to promote the understanding o
- Saltpond Oil FieldSaltpond Oil Field is an oil field off the coast of Ghana. The field was discovered in 197
- Samotlor FieldRussian oilfield
- SamsøDanish Island
- San Gorgonio Pass wind farmWind farm in California, United States
- Sanankoroba Solar Power StationSolar farm in Mali
- Sandia National LaboratoriesNational laboratory in Albuquerque, New Mexico
- Sangachal TerminalAzerbaijani natural gas and oil plant
- Santos BasinSedimentary basin in the south Atlantic Ocean
- SAPEIUndersea power transmission line from the Italian mainland to Sardinia
- Saratov Hydroelectric StationDam in Balakovo, Russia
- Saratov OblastFirst-level administrative division of Russia
- Sarnia Photovoltaic Power PlantPhotovoltaic power station in Ontario, Canada
- Saskatchewan Highway 914Highway 914 is a provincial highway in the north-west and far north regions of the Canadia
- Sayano-Shushenskaya DamHydroelectric dam in Russia
- Sayonara Nuclear Power PlantsSayonara Nuclear Power Plants (Japanese: さようなら原発1000万人アクション, Hepburn: Sayōnara Genpatsu Is
- Scarabeo 9Semi-submersible drilling rig
- SCK CENBelgian Nuclear Research Centre
- Scotford UpgraderBitumen processing facility
- Scotland–Northern Ireland pipelineThe Scotland-Northern Ireland Pipeline (SNIP) is a 24 in (610 mm), 135 km (84 mi) long nat
- Scout Moor Wind FarmRenewable energy facility in North West England
- Sea GemJack-up oil rig
- Seawater greenhouseGreenhouse technology for arid regions
- Seawise GiantULCC tanker, longest ship in history
- Second-generation biofuelsBiofuels manufactured from non-food biomass
- Sector couplingIntegration of energy sectors
- Semi-submersible platformA semi-submersible platform is a specialised marine vessel used in offshore roles includin
- Sendai Nuclear Power PlantThe Sendai Nuclear Power Plant (川内原子力発電所, Sendai Genshiryoku Hatsudensho, Sendai NPP) is a
- SenvionSenvion S.A. (called REpower Systems SE until 2014) was a German wind turbine manufacturer
- Serenje Solar Power StationSolar farm in Zambia
- Seriti Wind Power StationWind farm in South Africa
- Shah Deniz gas fieldAzerbaijani natural gas field
- Shale gasNatural gas trapped in shale formations
- Shale gas by countryShale gas is an unconventional natural gas produced from shale, a type of sedimentary rock
- Shale gas in the United StatesShale gas in the United States is an available source of unconventional natural gas. Led b
- Shale oilOil produced from oil shale rock fragments
- Shale oil extractionProcess for extracting oil from oil shale
- Shams Solar Power StationConcentrating solar power plant
- Sharp SolarManufacturer of photovoltaic cells and films
- Shatura Thermal Power PlantThermal Power Plant in Shatura, Moscow Oblast, Russia
- ShaybahPlace in Saudi Arabia
- Shaybah oil fieldShaybah Oil Field is a super-giant disputed oil field under the control of Saudi Arabia an
- Shell in situ conversion processThe Shell in situ conversion process (Shell ICP) is an in situ shale oil extraction techno
- Shepherds Flat Wind FarmWind farm in Oregon, USA
- Sherbino Wind FarmThe Sherbino Mesa Wind Farm is located in Pecos County in west Texas. The first 150 megawa
- Shidao Bay Nuclear Power PlantNuclear plant in Shandong, China
- Shirley WindWind farm in Wisconsin
- Shoaiba Power and Desalination PlantCombined power and desalination plant in Saudi Arabia
- Shoreham Nuclear Power PlantDecommissioned nuclear power plant in New York
- Short circuitElectrical circuit with negligible impedance
- Shrouded tidal turbineThe shrouded tidal turbine is an emerging tidal stream technology that has a turbine enclo
- Shtokman fieldRussian arctic offshore gas field
- Siadar Wave Power StationThe Siadar Wave Power Station (also known as Siadar Wave Energy Project or SWEP) was a pro
- Sibanthracite GroupSibanthracite Group (Russian: «Сибирский Антрацит») is Russia's largest producer of metall
- Siberian Coal Energy CompanyRussian business
- Sidney Howe ShortAmerican engineer
- Simon F. RothschildSimon Frank Rothschild (June 14, 1861 – January 5, 1936) was an American merchant and phil
- Sinclair C5The Sinclair C5 is a small one-person battery electric recumbent tricycle, technically an
- Single-phase electric powerType of electric power distribution
- SinovelSinovel Wind Group Company (Chinese: 华锐风电) is a Chinese state-owned wind turbine manufactu
- Sleipner AOffshore platform in the Norwegian sector of the North Sea
- Small hydroHydroelectric project at the local level with a few MW production
- Small modular reactorType of nuclear fission reactor
- Smart electric driveMotor vehicle
- Smart gridType of electrical grid
- Smart meterOnline recorder of utility usage
- Smart villageApproach for off-grid communities
- SnøhvitNorwegian natural gas field
- Snowy Mountains SchemeHydroelectricity and irrigation complex in the Snowy Mountains, Australia
- Sodium polysulfideSodium polysulfide is a general term for salts with the formula Na2Sx, where x = 2 to 5. T
- Sodium-cooled fast reactorType of nuclear reactor cooled by molten sodium
- Sodium–sulfur batteryType of molten-salt battery
- Sodo–Moyale–Suswa High Voltage Power LineHVDC interconnection between Ethiopia and Kenya
- Soetwater Wind Power StationWind power station in South Africa
- Soft energy pathIn 1976, energy policy analyst Amory Lovins coined the term soft energy path to describe a
- Soiling (solar energy)Accumulation of material on solar energy collectors
- Solana Generating StationSolar thermal power station in Arizona
- Solar cookerDevice that uses solar energy to heat food
- Solar Decathlon EuropeThe Solar Decathlon Europe (SDE) is an international student-based Competition that challe
- Solar desalinationDesalination technique powered by solar energy
- Solar energyRadiant light and heat from the Sun, harnessed with technology
- Solar Energy Generating SystemsConcentrated solar thermal power station in the Mojave Desert of California
- Solar gainSolar energy effect
- Solar mapA solar map, in general, is a map of a city, state, country, or any piece of land that ill
- Solar panelAssembly of photovoltaic cells used to generate electricity
- Solar power in AustriaSolar power in Austria contributes 8.82 TWh of generation to the Austrian grid, accounting
- Solar power in ChinaChina is the largest market in the world for both photovoltaics (PV) and solar thermal ene
- Solar power in ColoradoSolar power in Colorado has grown rapidly, partly because of one of the most favorable net
- Solar power in FranceOverview of solar energy in France
- Solar power in GermanySolar power accounted for an estimated 15% of electricity production in Germany in 2024, u
- Solar power in IndiaSolar power is an important source of electricity in India. Since the mid-2010s, India has
- Solar power in ItalySolar power is an important contributor to electricity generation in Italy, accounting for
- Solar power in MexicoSolar power in Mexico contributes 27.55 TWh of generation to the Mexican grid, accounting
- Solar power in MoroccoSolar power in Morocco is enabled by the country having very high rates of solar insolatio
- Solar power in New HampshireOverview of solar power in the U.S. state of New Hampshire
- Solar power in New JerseyOverview of solar power in the U.S. state of New Jersey
- Solar power in SpainSpain is one of the first countries to deploy large-scale solar photovoltaics, and is the
- Solar power in TexasOverview of solar power in the U.S. state of Texas
- Solar power in the Czech RepublicAs of 2025, solar power in the Czech Republic represented 14.7% of the total energy share,
- Solar power in the European UnionSolar power consists of photovoltaics (PV) and solar thermal energy in the European Union
- Solar power in the NetherlandsSolar power in the Netherlands has an installed capacity of around 23,904 megawatt (MW) of
- Solar power in the United KingdomSolar power has a growing role in electricity production in the United Kingdom, contributi
- Solar power in UkraineMore distributed solar power in Ukraine is urgently needed to secure electricity in Ukrain
- Solar power plants in the Mojave DesertElectricity-generation facilities in California
- Solar power towerType of solar furnace with a tower receiving focused light
- Solar thermal enhanced oil recoverySolar thermal energy
- Solar trackerDevice that orients a payload towards the Sun
- Solar water heatingUse of sunlight for water heating with a solar thermal collector
- Solid fuelSolid material that can be burnt to release energy
- Solid-state batteryBattery with solid electrodes and a solid electrolyte
- Solid-state lightingLighting technology
- Solnova Solar Power StationThe Solnova Solar Power Station is a large CSP power station made up of five separate unit
- Solucar ComplexSpain geography stubs
- Solvent Yellow 124Solvent Yellow 124 is a yellow azo dye used in European Union as a fuel dye. It is a marke
- Sơn La DamDam in Mường La District, Sơn La Province
- Songwe Hydroelectric Power StationPower station in Africa
- Soubré Hydroelectric Power StationHydroelectric power station in Ivory Coast
- South African energy crisisWidespread national level rolling blackouts
- South Caucasus PipelineNatural gas pipeline in Azerbaijan, Georgia, and Turkey
- South East Europe PipelineEuropean natural gas pipeline
- South Fork WindOffshore wind farm in the United States
- South Pars/North Dome Gas-Condensate fieldNatural gas field in the Persian Gulf
- South Wales Gas PipelineGas pipeline in the United Kingdom
- South Yorkshire CoalfieldCoalfield in Yorkshire, England
- Southern African Power PoolCooperative of the national electricity companies in Southern Africa
- Southern California EdisonElectrical utility in Southern California, United States
- Southern Gas CorridorCaspian–European pipeline project
- Southern Hami–Zhengzhou UHVDCPower transmission line
- Soyo I Thermal Power StationAngolan power station
- Space-based solar powerConcept of collecting solar power in outer space and distributing it to Earth
- Specific energyPhysical quantity representing energy content per unit mass
- SpeedpassKeychain radio-frequency identification
- SpillwayStructure for controlled release of flows from a dam or levee
- SpindletopSpindletop is an oil field located in the southern portion of Beaumont, Texas, in the Unit
- Splint (laboratory equipment)A splint (or spill or splinter) is a simple piece of equipment used in scientific laborato
- St Fergus Gas TerminalThe St Fergus Gas Terminal is a large gas terminal found near St Fergus, Aberdeenshire, Sc
- St. Francois MountainsThe St. Francois Mountains in southeast Missouri are a mountain range of Precambrian igneo
- St. Ignatius, GuyanaSt. Ignatius is an Amerindian village in the Upper Takutu-Upper Essequibo region of Guyana
- Stand-alone power systemOff-the-grid electricity system
- Stanley ReservoirStanley Reservoir (formed behind Mettur Dam) located in Salem District of Tamil Nadu is on
- Star Junction, PennsylvaniaUnincorporated community in Pennsylvania, US
- State of chargeValue of the charge level of an energy storage system relative to its capacity
- State-owned enterprises of South AfricaIn South Africa the Department of Public Enterprises is the shareholder representative of
- Stationary engineEngine whose framework does not move
- Steam generator (nuclear power)Heat exchanger used for converting water
- Steam injection (oil industry)Method of extracting heavy crude oil
- Steam-assisted gravity drainageTechnology used to produce heavy crude oil and bitumen
- Stirling Energy SystemsRenewable energy developer
- Stranded gasNatural gas field that is isolated from market
- Strategic petroleum reserve (China)China's strategic petroleum reserve
- Strategic Petroleum Reserve (United States)US strategic petroleum reserve
- Stuart Oil Shale ProjectOil shale project in Yarwun, Queensland, Australia
- SubstationPart of an electrical transmission and distribution system
- Sulfur hexafluoride circuit breakerSwitching device used in high-voltage power grids
- SülüktüTown in Batken, Kyrgyzstan
- Sun-free photovoltaicsSun-free photovoltaics is a photovoltaics technology which does not require sunlight to pr
- Sundesert Nuclear Power PlantCanceled power station in California, United States
- Super gridWide-area electricity transmission network
- SuperheaterTechnique for increasing the temperature of steam to improve steam engine efficiency
- Supreme Petroleum CouncilFormer governing body in Abu Dhabi
- Sustainable architectureArchitecture designed to minimize environmental impact
- Sustainable Development Goal 7UN Sustainable Development Goal related to clean energy
- Sustainable energyEnergy that responsibly meets social, economic, and environmental needs
- Sustainable habitatA sustainable habitat is an ecosystem that produces food and shelter for people and other
- Sustainable refurbishmentConcept in environmentalism
- SuswaSuswa is a small town along the main road from Nairobi to Narok town and at the foot of Mo
- Sweet crude oilSweet crude oil is a type of petroleum. The New York Mercantile Exchange designates petrol
- Sweetwater Wind FarmThe Sweetwater Wind Farm is a 585.3-megawatt (MW) wind farm in Nolan County, Texas. The fa
- Symmetrical componentsIn electrical engineering, the method of symmetrical components simplifies analysis of unb
- Synthetic fuelFuel from carbon monoxide and hydrogen
- Synthetic resinSynthetic resins are industrially produced resins, typically viscous substances that conve