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Sustainable Aviation Fuel
Sustainable aviation fuel (SAF) is a drop-in jet fuel blending component made from renewable or waste feedstocks, cutting lifecycle carbon emissions by around 80% while working in existing aircraft and engines.
Sustainable energy
Sustainable energy, also known as green energy or alternate energy, is energy that meets present needs without compromising future generations, drawing on renewables such as solar and wind, nuclear power, and energy efficiency.
Sustainable Energy for All
Sustainable Energy for All (SEforALL) is a UN initiative launched by Ban Ki-moon in 2011 to achieve universal energy access, doubled renewables, and doubled efficiency by 2030.
Sustainable Marine Energy
Sustainable Marine Energy is a UK-based tidal energy company known for its floating PLAT-I platforms, which delivered the first floating in-stream tidal power to Nova Scotia's grid in 2022.
Sustainalytics
Sustainalytics, now Morningstar Sustainalytics, is an ESG research and ratings firm owned by Morningstar, best known for its ESG Risk Rating covering over 20,000 companies.
Sustained Spheromak Physics Experiment
The Sustained Spheromak Physics Experiment was a fusion experiment at Lawrence Livermore National Laboratory that sustained spheromak plasmas by coaxial helicity injection from 1999 to 2007.
Sutorminskoye Oil and Gas Field
Sutorminskoye field (Суторминское месторождение) is a large, mature oil and gas-condensate field near Muravlenko in West Siberia, Russia, discovered in 1975 and operated by Gazprom Neft-Noyabrskneftegaz.
Suwalong hydroelectric plant
Suwalong hydroelectric plant (苏洼龙水电站) is a 1,200 MW run-of-river hydroelectric plant on the Jinsha River, the upper Yangtze, at the Sichuan–Tibet border, fully commissioned in 2022.
Suzano Mucuri power station
Suzano Mucuri power station (Portuguese: Usina de biomassa Suzano Mucuri), also known as Bahia Sul, is a 214 MW biomass-fired power station in Mucuri, Bahia, Brazil.
Suzhou power station
Suzhou power station (华电宿州电厂) is a coal-fired power plant in Yongqiao District, Suzhou, Anhui Province, China, with two units totaling 1,260 MW, commissioned in 2007.
Suzhou Qianyingzi power station
Suzhou Qianyingzi power station is a coal-fired power station of at least 1,700 megawatts in Taoyuan Town, Suzhou, Anhui, China, operated by Anhui Qianyingzi Power Generation Co Ltd.
Suzlon
Suzlon (Suzlon Energy Limited) is an Indian renewable energy company in Pune, founded by Tulsi Tanti in 1995 and India's largest wind turbine maker, with 15.1 GW installed.
Suzukawa Energy Center
Suzukawa Energy Center is a Japanese power company in Fuji, Shizuoka that ran a 112 MW plant at the Nippon Paper Fuji mill, converted to biomass in 2022.
Suzunskoye Oil and Gas Field
The Suzunskoye Oil and Gas Field (Сузунское месторождение) is an oil and condensate field in northern Krasnoyarsk Territory, Russia, producing since 2016 as part of Rosneft's Vankor cluster.
Sval Energi
Sval Energi was a privately owned Norwegian oil and gas exploration and production company based in Stavanger, backed by HitecVision from 2019 and acquired by DNO ASA in 2025.
Svenska kraftnät
Svenska kraftnät is the Swedish state authority and transmission system operator that owns and runs the national electricity grid and balances power supply, established in 1992.
SVOLT
SVOLT, also known as 蜂巢能源, is a Chinese battery manufacturer spun off from Great Wall Motor in 2018, headquartered in Changzhou, Jiangsu, and known for Short Blade cells.
Swan Hills Oil and Gas Field
The Swan Hills oil and gas field is a Devonian reef oil field in central-northern Alberta, Canada, discovered in 1957 and located about 200 km northwest of Edmonton.
Swanson River Oil and Gas Field
The Swanson River oil and gas field is an onshore field on Alaska's Kenai Peninsula, about 50 miles southwest of Anchorage, and was the territory's first major commercial oil discovery, made in 1957.
Swanson's law
Swanson's law is the observation that solar photovoltaic module prices fall about 20% for every doubling of cumulative shipped volume, the solar analog of Moore's law.
Swara Tika Oil Field
Swara Tika is an onshore oil field in the Kurdistan Region of northern Iraq, about 85 km northwest of Erbil, discovered in 2011 and operated by HKN Energy.
Swedish Nuclear Fuel and Waste Management Company
The Swedish Nuclear Fuel and Waste Management Company (Svensk Kärnbränslehantering AB, SKB) is owned by Sweden's nuclear utilities and manages disposal of about 12,000 tonnes of spent fuel.
Swedish Radiation Safety Authority
The Swedish Radiation Safety Authority (Strålsäkerhetsmyndigheten) is Sweden's national regulator for nuclear safety, radiation protection, and non-proliferation, created in 2008 by merging SKI and SSI.
Sweeny Hub
Sweeny Hub is a Phillips 66 natural gas liquids and refining complex in Old Ocean, Texas, with fractionation, Clemens Caverns storage, and the Freeport LPG Export Terminal.
Sweet crude oil
Sweet crude oil is crude petroleum with low sulfur content, typically below 0.5 percent, prized because it refines into gasoline and diesel more cheaply than sour crude.
Swift Solar
Swift Solar is an American solar technology company founded in November 2017 in San Carlos, California, by six academic researchers, developing perovskite-silicon tandem solar cells and modules.
Świnoujście LNG terminal
The Świnoujście LNG terminal, officially the President Lech Kaczyński LNG Terminal, is Poland's LNG import and regasification facility on the Baltic coast, operated by GAZ-SYSTEM.
Swirl injector
A swirl injector, also known as a pressure-swirl or simplex atomizer, is a device that atomizes fuel or propellant into a hollow-cone spray using internal rotational flow.
Switchgear
Switchgear is the combination of disconnect switches, circuit breakers, fuses, and protective relays used to control, protect, and isolate electrical power circuits, often in substations.
Sylmar Converter Station
The Sylmar Converter Station is the southern terminal of the Pacific DC Intertie, an 846-mile HVDC link from Oregon, operated by LADWP in Sylmar, Los Angeles, since 1970.