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Industrial Minera México
Industrial Minera México (IMMSA) is a Mexican underground mining company, descended from Asarco's Mexican operations dating to 1890, that produces zinc, lead, copper, silver, and gold at mines including Charcas and Santa Bárbara.
INEOS FPS
INEOS FPS is the INEOS-owned company that operates the Forties Pipeline System, which transports North Sea oil and gas liquids to the Kinneil Terminal at Grangemouth, Scotland.
Inert matrix fuel
Inert matrix fuel (IMF) is a uranium-free nuclear fuel that embeds plutonium in an inert matrix such as stabilized zirconia, burning it without breeding new plutonium.
Inertial confinement fusion
Inertial confinement fusion (ICF), also called laser fusion, compresses small fuel capsules with intense driver energy so the fuel fuses briefly; the NIF first achieved ignition in 2022.
Inertial electrostatic confinement
Inertial electrostatic confinement (IEC), developed by Philo Farnsworth and Robert Hirsch in the 1960s, is a fusion scheme using electrostatic potential wells, used mainly as a compact neutron source.
Infantas Oil and Gas Field
The Infantas Oil and Gas Field is an oil field near Barrancabermeja, Colombia, whose 1918 discovery well began the Colombian oil industry; Ecopetrol has operated it since 1951.
Infineum
Infineum, known in Chinese as 润英联, is a British specialty chemicals company formed in 1999 by ExxonMobil and Shell to make fuel and lubricant additives.
Infinity Natural Resources
Infinity Natural Resources is an independent oil and gas exploration and production company in Morgantown, West Virginia, operating in the Utica and Marcellus shales of the Appalachian Basin.
Infraestructura Energética Nova
Infraestructura Energética Nova, or IEnova, is a Mexican energy infrastructure company operating natural gas pipelines, LNG terminals, storage, and power generation, and a subsidiary of Sempra since 2021.
Inga II hydroelectric plant
The Inga II hydroelectric plant, completed in 1982, generates 1,424 MW on the Congo River between Kinshasa and the Atlantic, and with Inga I supplies most of SNEL's electricity.
Ingenio La Manuelita
Ingenio La Manuelita, also known as Manuelita S.A., is a Colombian sugar mill and agribusiness group in Palmira, founded in 1864 by Santiago M. Eder.
Ingeteam
Ingeteam is a Spanish company headquartered in Zamudio, Spain, founded in 1972 and merged into its present form in 1989, making power electronics and generators for wind and solar energy worldwide.
Inkoo FSRU
The Inkoo FSRU is Finland's floating LNG import terminal at the port of Inkoo, built around the vessel Exemplar and in commercial operation since January 2023.
Inner Mongolia Changcheng power station
Inner Mongolia Changcheng power station, also known as Mengneng Shanghai Miao power station, is a 2,000 MW coal-fired power station in Ordos, Inner Mongolia, China, operating two 1,000 MW units since 2023.
Inner Mongolia Energy Power Generation Investment Group
Inner Mongolia Energy Power Generation Investment Group (蒙能集团, Mengneng Group) is a state-owned energy company of Inner Mongolia, China, engaged in power generation, coal development, and power engineering.
Inner Mongolia Erlintu Coal Mine
The Inner Mongolia Erlintu Coal Mine is an underground longwall coal mine in Ejin Horo Banner, Ordos, Inner Mongolia, China, whose approved capacity rose to 13 million tonnes per year in 2025.
Inner Mongolia Gas Pipeline Network
The Inner Mongolia Gas Pipeline Network (内蒙古输气管网) is the system of natural gas pipelines serving China's Inner Mongolia Autonomous Region, moving gas from the Ordos Basin.
Inner Mongolia Hinggan League (China Guangdong Nuclear) wind power base
The Inner Mongolia Hinggan League wind power base is a 3 gigawatt onshore wind farm in Inner Mongolia, China, operated by China General Nuclear Power.
Inner Mongolia Huineng Coal and Electricity Group
Inner Mongolia Huineng Coal and Electricity Group is a private Chinese energy company based in Ordos, Inner Mongolia, founded in 2001 and renamed Huineng Holding Group in 2024.
Inner Mongolia MengDian HuaNeng Thermal Power
Inner Mongolia MengDian HuaNeng Thermal Power (内蒙古蒙电华能热电) is a Chinese power company headquartered in Hohhot, Inner Mongolia, listed in Shanghai and controlled by China Huaneng Group.
Inner Mongolia Pingzhuang Coal Industry Group
Inner Mongolia Pingzhuang Coal Industry Group, known as Pingzhuang Coal (内蒙古平庄煤业), is a state-owned coal mining company in Chifeng, Inner Mongolia, owned by China Energy Investment.
Inner Mongolia Shenglu power station
The Inner Mongolia Shenglu power station is a 2,000 MW coal-fired power plant in Ordos, Inner Mongolia, China, operating two 1,000 MW ultra-supercritical units since 2020.
Inner Mongolia Xilin power station
The Inner Mongolia Xilin power station (锡林热电厂) is a 1,300 MW coal-fired combined heat and power plant in Xilinhot, Inner Mongolia, China, that supplies much of the city's heating.
Inner Mongolia Xilingol 2500 MW Guaranteed Offtake wind farms
The Inner Mongolia Xilingol 2500 MW Guaranteed Offtake wind farms are three onshore wind phases in Xilingol League, Inner Mongolia, owned by Inner Mongolia Energy Group entities and fully connected in 2025.
Inner Mongolia Yitai Coal
Inner Mongolia Yitai Coal Co., Ltd., established in 1997, is a Chinese company operating in Ordos. Its core business includes coal production, chemicals, and running railway transportation.
InP quantum dot solar cells
InP quantum dot solar cells are photovoltaic devices using colloidal indium phosphide nanocrystals as the light-absorbing layer, studied as a low-toxicity alternative to lead- and cadmium-based quantum dots.
Inside FERC
Inside FERC, formally Inside F.E.R.C.'s Gas Market Report, is Platts' monthly survey of bidweek natural gas trades, publishing index prices that settle much of the North American gas market.
Instagrid
Instagrid is a German company, founded in 2018 in Ludwigsburg, that makes portable battery power systems replacing petrol and diesel generators in construction, film, and emergency services.
Institute for Radiological Protection and Nuclear Safety
The Institute for Radiological Protection and Nuclear Safety (French: Institut de radioprotection et de sûreté nucléaire, IRSN) was France's public institute for nuclear safety expertise, created in 2002.
Institute of Nuclear Power Operations
The Institute of Nuclear Power Operations (INPO) is a nonprofit industry group, created in December 1979 after Three Mile Island to promote safety at US nuclear plants.