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Iowa Utilities Commission
The Iowa Utilities Commission, formerly the Iowa Utilities Board, is Iowa's independent agency regulating the rates and services of investor-owned electric, gas, water, and sewer utilities.
IPHWR
IPHWR (Indian Pressurized Heavy Water Reactor) is a family of pressurized heavy water reactors designed in India, using natural uranium fuel and derived from the Canadian CANDU design.
Ipiranga (oil company)
Ipiranga is a Brazilian fuel distribution company and brand that originated with Brazil's first oil refinery, opened in Rio Grande, Rio Grande do Sul, on 7 September 1937, and now belongs to Ultrapar.
IR-T1
IR-T1 (Iran-Tokamak 1) is a small experimental tokamak at Islamic Azad University in Tehran, Iran, obtained from China in 1994 and used for diagnostic development and MHD instability studies.
Iraq Crude Oil Export Expansion Project (ICOEEP)
The Iraq Crude Oil Export Expansion Project (ICOEEP) is an Iraqi Ministry of Oil program to expand southern crude export capacity through pipelines and offshore loading terminals.
Iraq Petroleum Company
The Iraq Petroleum Company (IPC), founded as the Turkish Petroleum Company in 1912, held Iraq's oil concession from 1928 and was nationalized by Iraq in 1972.
Iraq Strategic Pipeline
The Iraq Strategic Pipeline is a reversible crude oil pipeline running from Basra to Haditha in Iraq, built in 1975 to export Kirkuk and Rumaila crude.
Iraqi Ministry of Electricity
The Iraqi Ministry of Electricity (وزارة الكهرباء) is the government ministry responsible for Iraq's electricity sector, established in 2004 and headquartered in Baghdad, covering generation, transmission, and distribution.
Iraqi Pipeline in Saudi Arabia (IPSA)
The Iraqi Pipeline in Saudi Arabia (IPSA) is a mothballed crude oil pipeline from Basra, Iraq, to the Red Sea, closed by Saudi Arabia in 1990.
Iriklinsk GRES power station
Iriklinsk GRES, also Iriklinskaya GRES or Iriklinskaya Thermal Power Plant, is a 2,400 MW gas-fired power station in Orenburg Oblast, Russia, supplying the Southern Urals since 1970.
Irkutsk-10 power station
Irkutsk-10 power station (Иркутская ТЭЦ-10, also CHPP-10) is a coal-fired combined heat and power plant in Angarsk, Russia, the largest thermal power station in Irkutsk Oblast.
Iron flow battery
An iron flow battery is a redox flow battery that stores energy in iron, salt, and water electrolytes, offering cheap, non-flammable, long-duration stationary storage for renewable-heavy grids.
Iron fluoride
Iron fluoride, mainly iron(III) fluoride (FeF₃) and iron(II) fluoride (FeF₂), is a conversion-type cathode material for lithium-ion batteries whose multi-electron reactions give far higher theoretical capacity than conventional cathodes.
Iron hexacyanoferrate cathode
An iron hexacyanoferrate (FeHCF) cathode is a Prussian blue analog electrode material for sodium-ion and potassium-ion batteries, storing sodium through the Fe2+/Fe3+ couple in an open cubic framework.
Iron phosphate
Iron phosphate, FePO₄, is an inorganic compound serving as the iron and phosphorus source for lithium iron phosphate (LFP) battery cathodes, now a commodity-scale battery intermediate with purity and cost shaping the supply chain.
Iron single-atom catalysts for oxygen reduction in fuel cells
Iron single-atom catalysts for oxygen reduction are platinum-group-metal-free electrocatalysts in which isolated iron atoms bonded to nitrogen in carbon, chiefly FeN₄ sites, catalyze the oxygen reduction reaction in fuel cells.
Iron sponge process
The iron sponge process removes hydrogen sulfide from sour gas and biogas by passing it through wood chips coated with hydrated iron oxide, one of the oldest purification methods.
Iron-air battery
An iron-air battery is a rechargeable metal-air battery that stores energy by reversibly oxidizing iron. Its very low cost makes it a candidate for multi-day grid-scale storage.
Iron-chromium redox flow battery
The iron-chromium redox flow battery (ICRFB) is a redox flow battery that stores energy in acidic iron and chromium electrolytes, invented at NASA in the 1970s.
Iron–nitrogen–carbon catalysts
Fe-N-C, short for iron-nitrogen-carbon, is a platinum-free fuel cell catalyst class whose atomically dispersed iron-nitrogen sites catalyze the oxygen reduction reaction, though durability remains its weakness.
Iron–nitrogen–carbon catalysts for acidic fuel cells
Iron–nitrogen–carbon (Fe–N–C) catalysts are non-precious-metal electrocatalysts made of atomically dispersed iron sites on nitrogen-doped carbon, the most active platinum-free catalysts for oxygen reduction in acidic fuel cells.
Irong Barat Oil Field
Irong Barat is an offshore oil field in the southeastern Malay Basin, about 210 kilometers off Peninsular Malaysia, discovered in 1979 and producing since 1983.
Irri Oil and Gas Field
The Irri Oil and Gas Field is an operating onshore oil and gas field in Nigeria, operated by Nigerian Agip Oil Company in concession OML 61.
Irsching power station
The Irsching power station (Kraftwerk Irsching) is a Uniper-run power plant at Vohburg an der Donau near Ingolstadt in Bavaria, Germany, with six units built between 1969 and 2023.
Irun-Biriatou Gas Pipeline
The Irun-Biriatou gas pipeline is one of two gas interconnections between the Spanish and French networks, crossing the border between Irun, Spain, and Biriatou, France.
ISA (Colombia)
ISA (Interconexión Eléctrica S.A. E.S.P.) is a Colombian public utility company founded in 1967, one of the largest energy transmission companies in Latin America, majority-owned by Ecopetrol since 2021.
Isaiah P. Taylor
Isaiah P. Taylor is an American entrepreneur and founder and CEO of Valar Atomics, whose Ward 250 reactor in Utah became the first DOE-authorized advanced reactor built outside a national laboratory in 2026.
Isar Nuclear Power Plant
The Isar Nuclear Power Plant (Kernkraftwerk Isar) is a decommissioned two-unit nuclear power station at Essenbach near Landshut in Bavaria, Germany, whose unit 2 was among Germany's last three reactors, shut down on 15 April 2023.
ISCC PLUS
ISCC PLUS is a voluntary certification scheme operated by ISCC System GmbH, launched in 2012, that verifies bio-based, circular, and renewable feedstocks across supply chains for chemicals, plastics, and fuels.
Isfahan–Ray Oil Pipeline
The Isfahan–Ray Oil Pipeline is an operating crude oil pipeline in Iran, running 371.5 km from Isfahan to Ray, Tehran Province, and owned by the National Iranian Oil Company.