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Southern Algeria Gas Transmission Network
The Southern Algeria Gas Transmission Network is the name under which the Global Energy Monitor tracks two operating gas pipelines in the Algerian Sahara, both owned by Sonatrach.
Southern California Edison
Southern California Edison, also known as SoCal Edison or the Southern California Edison Company, is an investor-owned electric utility and Edison International subsidiary serving over 15 million Californians across roughly 50,000 square miles.
Southern Company
Southern Company is an Atlanta-based holding company, formed in 1947, whose vertically integrated electric utilities in the Southeast and natural gas businesses serve about 9 million customers nationwide.
Southern Kuzbass Coal Company
Southern Kuzbass Coal Company (Южный Кузбасс) is a Russian coal mining company in Mezhdurechensk, Kemerovo Oblast – Kuzbass, owned 96 percent by Mechel-Mining and producing coking and thermal coal.
Southern Lights pipeline
The Southern Lights pipeline, also known as Enbridge Line 13, is a 2,560 km Enbridge pipeline carrying diluent from Manhattan, Illinois, to Edmonton for blending with Alberta oil sands bitumen, opened in 2010.
Southern Natural Gas Pipeline
The Southern Natural Gas pipeline (SNG, SONAT) is an interstate natural gas pipeline in the southeastern United States, in service since 1929 and owned by Kinder Morgan and Southern Company.
Southwest Gas
Southwest Gas Corporation is a natural gas utility founded in 1931 and headquartered in Las Vegas, serving about 2.26 million customers in Arizona, Nevada, and California.
Southwest Power Pool
Southwest Power Pool is a nonprofit regional transmission organization based in Little Rock, Arkansas, that runs the grid and wholesale power markets across all or part of 17 central and western states.
Southwestern Electric Power Company
Southwestern Electric Power Company, known as SWEPCO, is an American Electric Power utility headquartered in Shreveport, Louisiana, serving 556,100 customers in Louisiana, Texas, and Arkansas since 1912.
Southwestern Energy
Southwestern Energy was an American independent natural gas company headquartered in Spring, Texas, known for discovering the Fayetteville Shale and operating in Appalachia and Haynesville.
Southwestern Public Service Company
Southwestern Public Service Company is a vertically integrated electric utility serving the Texas Panhandle and eastern New Mexico, headquartered in Amarillo, Texas, as a wholly owned subsidiary of Xcel Energy.
Soyuz Gas Pipeline
The Soyuz gas pipeline (Russian: Союз, "Union"), also called the Orenburg–Western Border pipeline, carries natural gas from Orenburg, Russia, to Uzhhorod, Ukraine, at the Slovak border.
SP Group (Singapore)
SP Group, formally Singapore Power, is a Singapore utilities company, wholly owned by Temasek Holdings, that owns and operates Singapore's electricity and gas networks, serving about 1.7 million customers.
Space disposal
Space disposal is a proposed method of launching radioactive waste beyond the biosphere, studied by NASA in the 1970s but abandoned over cost and launch risk.
Space vector modulation
Space vector modulation (SVM) is a pulse-width modulation technique for three-phase inverters, yielding about 15% more output voltage than sinusoidal PWM from the same DC supply.
Span.IO, Inc.
Span.IO, Inc. is a San Francisco technology company founded in 2018 by former Tesla Energy executive Arch Rao that makes smart electrical panels and electric vehicle chargers for homes.
SPARC first-plasma campaign
The SPARC first-plasma campaign is the initial operating phase of SPARC, a compact high-field tokamak by Commonwealth Fusion Systems in Devens, Massachusetts, aiming for net fusion energy gain.
SPE Petroleum Resources Management System
The SPE Petroleum Resources Management System (PRMS) is the worldwide standard for classifying oil and gas reserves and resources, first issued in 2007 and updated in 2018.
Spearhead Oil Pipeline
The Spearhead Oil Pipeline, also called Enbridge Line 55, is a 583-mile Enbridge crude oil pipeline from Flanagan, Illinois, to Cushing, Oklahoma, in reversed service since 2006.
Special protection scheme
A special protection scheme (SPS), also known as a remedial action scheme (RAS) or system integrity protection scheme (SIPS), detects abnormal grid conditions and takes corrective actions such as tripping generators or shedding load.
Spectrally selective coating
A spectrally selective coating is a microscopically thin multilayer low-E coating on window glass or film that admits visible daylight while reflecting solar ultraviolet and near-infrared heat.
Spent fuel pool
A spent fuel pool is a water-filled basin at a nuclear power plant where irradiated fuel assemblies removed from the reactor are stored underwater for cooling, shielding, and contamination control.
Spent nuclear fuel
Spent nuclear fuel is the intensely radioactive fuel removed from a nuclear reactor after it can no longer sustain a chain reaction, stored in pools and dry casks.
Spindletop
Spindletop, an oil field south of Beaumont, Texas, marked the birth of the modern petroleum industry when the Lucas Gusher blew in on January 10, 1901.
Spinning reserve
Spinning reserve is the portion of operating reserve from generators already synchronized to the grid and running below full output, able to increase production within about 10 minutes.
Spiro (company)
Spiro is an African electric mobility company, founded in 2019, that sells electric motorcycles and operates the continent's largest battery-swapping network across seven countries, with over 100,000 bikes by mid-2026.
Spiro-OMeTAD
Spiro-OMeTAD, first described in 1998, is an amorphous organic p-type semiconductor used as the benchmark hole-transporting material in perovskite and solid-state dye-sensitized solar cells, enabling certified devices above 26% efficiency.
Spittelau incineration plant
The Spittelau incineration plant (Müllverbrennungsanlage Spittelau) is a Vienna waste-to-energy plant run by Wien Energie, known for its colorful Hundertwasser redesign after a 1987 fire.
Split-phase electric power
Split-phase electric power is a single-phase AC distribution arrangement in which a center-tapped transformer winding delivers 120/240 VAC over three wires, the standard residential supply in North America.
Spontaneous combustion
Spontaneous combustion, also called spontaneous ignition, is fire that starts without an external heat source after a material self-heats, as in oily rags, moist hay, and coal piles.