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SungEel HiTech
SungEel HiTech (성일하이텍) is a South Korean battery recycling company founded in 2000, recovering nickel, cobalt, and lithium from used batteries at facilities across six countries.
Sungevity
Sungevity was an American residential solar company founded in Oakland, California in 2007, a pioneer of pay-as-you-go solar leases that filed for bankruptcy in 2017.
Sungrow (阳光电源)
Sungrow (阳光电源) is a Hefei-based Chinese clean-energy equipment maker, founded in 1997, producing PV inverters, energy storage systems, wind converters, EV charging, and hydrogen equipment.
Suniva
Suniva is an American solar cell manufacturer in Norcross, Georgia, founded in 2007 as a Georgia Tech spinoff, whose 2017 trade petition produced the Section 201 solar tariffs before its 2024 restart.
Sunjiacha Coal Mine
Sunjiacha Coal Mine (孙家岔龙华煤矿) is a large underground longwall coal mine in Shenmu City, Shaanxi, China, with a verified capacity of 10 Mt per year.
Sunlight Group
Sunlight Group is a Greek multinational manufacturer of industrial lead-acid and lithium-ion batteries and energy storage systems, founded in 1970, headquartered in Athens, and exporting to more than 115 countries.
Sunly
Sunly is an Estonian renewable energy producer founded in 2019 and based in Tallinn, developing solar, wind, battery, and hybrid parks across the Baltics and Poland.
Sunnova Energy International
Sunnova Energy International was a Houston-based residential solar and energy storage service company that worked through independent dealers, serving over 441,000 customers before filing for Chapter 11 bankruptcy in 2025.
Sunoco
Sunoco is an American fuel brand and distribution family tracing to the Sun Oil Company, founded in Pittsburgh in 1886 by Joseph Newton Pew and Edward O. Emerson.
SunPower
SunPower is an American residential solar energy brand and company founded by Richard Swanson in 1985, known for high-efficiency solar cells and panels; the original corporation filed for bankruptcy in 2024.
Sunrise Joint Venture
The Sunrise Joint Venture (SJV) is a consortium of TIMOR GAP, Woodside Energy, and Osaka Gas Australia developing the Greater Sunrise gas fields in the Timor Sea.
Sunrise Pipeline System
The Sunrise Pipeline System, also called the Permian Basin to Cushing Pipeline, is a crude oil pipeline system in Texas and Oklahoma owned by Plains All American Pipeline.
Sunrise Wind
Sunrise Wind is a 924-megawatt offshore wind farm under construction in federal waters about 30 miles east of Montauk, New York, developed by Ørsted for New York State.
Sunrun
Sunrun Inc. is an American residential solar and home battery storage company founded in San Francisco in 2007, selling solar energy through long-term leases and power purchase agreements.
Sunsave
Sunsave is a London-based British startup, founded in 2022 by Alick Dru and Ben Graves, offering the UK's first FCA-authorized solar subscription with no upfront cost.
Sunspace
A sunspace, also called an attached solar greenhouse or conservatory, is a glazed space on a building's equator-facing side that collects solar energy as a buffer zone and heats the adjoining living space.
Suntech Power
Suntech Power is a Chinese manufacturer of solar cells and modules founded in 2001 in Wuxi, Jiangsu, by Shi Zhengrong; by 2010 it was the world's largest panel maker.
Sunwoda Power Technology (欣旺达动力（欣旺达电池）)
Sunwoda Power Technology (欣旺达动力) is a Chinese manufacturer of electric-vehicle power batteries and energy-storage cells, headquartered in Shenzhen and established in 2014 by battery maker Sunwoda Electronic.
SunZia
SunZia is an $11 billion wind farm and transmission line in New Mexico and Arizona, completed by Pattern Energy in 2026 as the largest US wind farm.
Super P (conductive additive)
Super P is a conductive carbon black made by Timcal, now part of Imerys, used in lithium-ion battery electrodes to form the electron-conducting network in cathodes and anodes.
Super X-divertor
The Super X-divertor (SXD) is an advanced magnetic divertor configuration for tokamaks, proposed in 2009, that lowers divertor heat loads and was first implemented on MAST Upgrade.
Superbonus 110%
The Superbonus 110% was an Italian tax incentive, introduced in 2020 as part of the post-Covid recovery, that deducted 110 percent of renovation costs and generated over €170 billion in subsidized spending.
Supercapacitor
A supercapacitor, also called an ultracapacitor or electrochemical capacitor, is an energy storage device between capacitors and batteries, charging fast and lasting up to one million cycles.
Superconcentrated electrolyte
A superconcentrated electrolyte is a battery electrolyte with salt concentrations above roughly 3 M, where ion pairing dominates and anion-derived films stabilize lithium-metal and high-voltage electrodes.
Superconducting cable
A superconducting cable is a power transmission cable whose superconducting conductor, cooled below its critical temperature, conducts with essentially zero resistance, carrying up to seven times the power of a conventional cable.
Superconducting magnetic energy storage
Superconducting magnetic energy storage (SMES) is a technology that stores electricity as the magnetic field of a superconducting coil, offering over 95 percent efficiency and near-instantaneous response.
Supercritical Compressed Air Energy Storage
Supercritical compressed air energy storage (SC-CAES) is a form of compressed air energy storage that stores air above its critical pressure, reusing compression heat, avoiding fuel combustion.
Supercritical methanol method
The supercritical methanol method, also called the Saka method, is a catalyst-free process for making biodiesel, introduced in 2001 by Shiro Saka and Dadan Kusdiana at Kyoto University.
Supercritical steam cycle
A supercritical steam cycle is a Rankine power cycle operating above water's critical point of 374 °C and 22.1 MPa, the standard high-efficiency configuration of large coal-fired power plants.
Supercritical water gasification
Supercritical water gasification (SCWG) is a thermochemical process that converts wet biomass and waste into hydrogen-rich gas with water above its critical point, requiring no drying.