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Energy technology

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Jolywood

Jolywood is a Chinese photovoltaic manufacturer founded in 2008 in Changshu, Jiangsu, that began with solar module backsheets and expanded into n-type TOPCon cells, listed in Shenzhen since 2014.

Jones Creek Oil and Gas Field

Jones Creek Oil and Gas Field is an onshore oil and gas field in the Niger Delta of southern Nigeria, discovered in 1967 and producing since 1969.

Joppa Steam Plant

The Joppa Steam Plant, also called the Joppa Power Plant, was a 1,100 MW coal-fired power station in Joppa, Illinois, on the Ohio River, which operated from 1953 until 2022.

Jorf Lasfar power station

The Jorf Lasfar power station is a 2,056 MW coal-fired power plant on Morocco's Atlantic coast near El Jadida, the country's largest, operated by TAQA Morocco.

Jorge Lacerda power station

Jorge Lacerda power station, also known as Complexo Termelétrico Jorge Lacerda, is a coal-fired power complex in Santa Catarina, Brazil, operating since 1965 with 740 MW.

José Cabrera Nuclear Power Plant

The José Cabrera Nuclear Power Plant (Zorita) was Spain's first commercial nuclear power plant, utilizing a Westinghouse single-loop pressurized water reactor at Almonacid de Zorita from 1969 until 2006.

Josefa Joaquina Sánchez Bastidas power station

The Josefa Joaquina Sánchez Bastidas power station, also known as Planta Tacoa or the Ricardo Zuloaga plant, is a Venezuelan thermal power plant at Catia La Mar near Caracas.

Joseph M. Farley Nuclear Plant

The Joseph M. Farley Nuclear Plant (Plant Farley) is a two-unit nuclear power station in Houston County, Alabama, owned by Alabama Power and operated by Southern Nuclear.

Jōyō

Jōyō (常陽) is a sodium-cooled experimental fast reactor fueled with uranium-plutonium mixed oxide at the Japan Atomic Energy Agency's Oarai institute in Ibaraki, Japan, reaching criticality in 1977.

JP-10 (fuel)

JP-10, or Jet Propellant-10, is a single-component high-energy-density hydrocarbon fuel made almost entirely of exo-tetrahydrodicyclopentadiene, developed by the US Air Force and Navy in 1978 for missiles.

JP-8

JP-8 (NATO designation F-34) is a kerosene-type jet fuel, essentially commercial Jet A-1 with additives, used by the United States military for aircraft and ground vehicles.

JSW Barmer Jalipa Kapurdi power station

The JSW Barmer Jalipa Kapurdi power station is a 1,080 MW lignite-fired thermal power plant at Bhadresh in Barmer district, Rajasthan, operated by JSW Energy.

JSW Energy

JSW Energy is an Indian independent power producer founded in 1994 as part of the JSW Group, generating electricity from thermal, hydro, wind, and solar sources.

JSW Vijayanagar Toranagallu power station

The JSW Vijayanagar Toranagallu power station is an 860 MW coal- and gas-fired thermal power plant at Toranagallu in Ballari district, Karnataka, India, owned and operated by JSW Energy.

JT-60

JT-60 is a series of large Japanese tokamak fusion research devices at Naka, Ibaraki Prefecture, operating since 1985, whose successor JT-60SA is the world's largest operating tokamak.

JT-60SA

JT-60SA, meaning JT-60 Super Advanced, is a fully superconducting tokamak in Naka, Japan, jointly built by Japan and Europe to complement ITER, achieving first plasma in 2023.

Jubail (SWCC) power station

Jubail (SWCC) power station is a 1,570 MW gas-fired power station in Al-Jubail, Saudi Arabia, owned by the Saline Water Conversion Corporation and operating since 1980.

Jubarte Field

Jubarte Field is a giant deepwater oil field in the Campos Basin off Espírito Santo, Brazil, discovered by Petrobras in 2001 and producing heavy oil since 2002.

Jubilee Field

Jubilee Field is a deepwater oil and gas field about 60 km offshore western Ghana, discovered in 2007 and the country's first major commercial oil discovery, producing since 2010.

Judy Oil and Gas Field

Judy is an oil and gas field in block 30/7a of the UK central North Sea, about 240 km from Aberdeen, discovered in 1980 and producing since the mid-1990s.

Jülich Solar Tower

The Jülich Solar Tower (Solarturmkraftwerk Jülich) is a 1.5 MW experimental concentrating solar power plant in Jülich, Germany, the only solar thermal tower plant in the country.

Julimar-Brunello

Julimar-Brunello is a pair of offshore natural gas and condensate fields in the North Carnarvon Basin off Western Australia, discovered in 2007, that feed the Chevron-operated Wheatstone LNG facility.

Julius Nyerere hydroelectric plant

The Julius Nyerere Hydropower Plant is a 2,115 MW facility in southeastern Tanzania. It is the country's largest power plant and key energy source.

Junggar Suancigou power station

Junggar Suancigou power station is a coal-fired power station of at least 1,920 megawatts in Junggar Banner, Ordos, Inner Mongolia, China, built in two phases commissioned in 2010 and 2023.

Junin 5 Oil and Gas Field

Junin 5 (Junín 5) is a giant heavy-oil field in Venezuela's Orinoco Belt, holding about 35 billion barrels of oil and operated by Italy's Eni since 2026.

Junin 6 Oil Field

Junin 6 Oil Field (Junín 6) is an onshore extra-heavy oil field in Venezuela's Orinoco Oil Belt, operated by the PDVSA-Russian joint venture PetroMiranda since 2012.

Junliangcheng power station

Junliangcheng power station (华电天津军粮城发电厂) is a coal- and gas-fired combined heat and power plant in Dongli District, Tianjin, China, rated at more than 1,700 MW.

Jupiá hydroelectric plant

The Jupiá hydroelectric plant, officially Usina Hidrelétrica Engenheiro Souza Dias, is a hydroelectric plant on the Paraná River in Brazil, operating since 1969 with 1,551 MW of installed capacity.

Jurong hydroelectric plant

Jurong hydroelectric plant (句容抽水蓄能电站) is a 1,350 MW pumped-storage station in Jurong, Jiangsu, China, owned by State Grid Xinyuan and fully operational since October 2025.

Jurong Island power station

Jurong Island power station is the group of power stations on Singapore's Jurong Island, starting with the Jurong Power Station in 1971 and the offshore Pulau Seraya plant in 1988.