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Liyujiang power station
Liyujiang power station (华润电力湖南鲤鱼江电厂) is an operating coal-fired power station in Chenzhou, Hunan, China, with at least 1,930 MW of subcritical anthracite units built between 1980 and 2007.
Liza Oil and Gas Field
Liza is a deepwater oil field in the Stabroek Block about 190 kilometers offshore Guyana, discovered by ExxonMobil in 2015 and producing Guyana's first oil in December 2019.
Llanos Orientales Oil Pipeline
The Llanos Orientales Oil Pipeline (Oleoducto de los Llanos Orientales) is a crude oil pipeline in eastern Colombia, opened in 2009 to carry heavy crude to the Caribbean port of Coveñas.
Lloydminster upgrader
The Lloydminster upgrader, commissioned in 1992 as the Bi-Provincial Upgrader, is a heavy oil facility in Saskatchewan, owned by Cenovus Energy, that converts heavy crude into synthetic crude oil and diesel.
LM Wind Power
LM Wind Power is a Danish company in Kolding that designs and makes rotor blades for onshore and offshore wind turbines, and has delivered over 275,000 blades since 1978.
LNG Canada
LNG Canada is a liquefied natural gas export terminal in Kitimat, British Columbia, owned by a Shell-led joint venture and Canada's first large-scale LNG exporter.
Load break switch
A load break switch (LBS), also called a switch-disconnector, is a switching device that interrupts load current but not faults, so it is often paired with fuses.
Load rejection
Load rejection is the sudden loss of electrical load on a generating unit, typically when the generator circuit breaker opens, leaving the turbine driving an unloaded generator.
Load shedding
Load shedding is the deliberate, preplanned dropping of electrical load in stages, triggered by falling frequency, to keep a power system stable and prevent a total blackout.
Load shifting
Load shifting is the practice of moving electricity consumption from periods of high demand and high prices to periods when demand and prices are lower, without reducing total energy consumed, typically through storage or rescheduling.
Lobito Oil Field
The Lobito Oil Field is a deepwater oil field in Block 14, offshore Angola, discovered in 2000 and operated by Chevron as part of the BBLT development.
Localized high-concentration electrolyte
A localized high-concentration electrolyte is a battery electrolyte made by diluting a concentrated lithium-salt electrolyte with a non-coordinating diluent, preserving concentrated-electrolyte interfacial chemistry at lower viscosity and cost.
Locational marginal price
The locational marginal price (LMP) is the wholesale price of electric energy at a specific grid location, comprising energy, congestion, and loss components, used by RTOs and ISOs since 1998.
Lodochnoye Oil and Gas Field
The Lodochnoye oil and gas field, discovered in 1985, lies in Krasnoyarsk Krai in northern Russia and has produced oil since 2017 as a Vankor cluster satellite.
Lofn/Langemann
Lofn and Langemann are two adjacent gas and condensate discoveries made in 2025 in the Sleipner area of the Norwegian North Sea by Equinor and Aker BP.
Logging while drilling
Logging while drilling (LWD) is a geophysical well-logging technique that measures formation properties, such as resistivity and porosity, with sensors in drill collars just above the drill bit.
Loi Climat et Résilience
The Loi Climat et Résilience is a French climate law of August 2021 that turns the Convention citoyenne pour le climat's proposals into binding rules on housing, transport, and consumption.
Loma Blanca wind farm
The Loma Blanca wind farm is a group of wind power plants on the Atlantic coast of Chubut Province, Argentina, near Trelew, Rawson, and Puerto Madryn, built in stages since 2013.
Loma Campana Oil and Gas Field
Loma Campana is a shale oil and gas field in Argentina's Vaca Muerta formation, operated by YPF with Chevron and producing about 100,000 barrels per day.
Loma la Lata Oil and Gas Field
Loma la Lata is a giant gas and condensate field in Neuquén Province, Argentina, discovered by YPF in 1977 and described in 2008 as South America's largest gas producer.
Lombard Squires
Lombard "Lom" Squires (c. 1906) was an American DuPont chemical engineer who, as chief supervisor at Hanford's 200 Area from June 1944, helped engineer the bismuth phosphate process separating plutonium from irradiated fuel.
London Array
London Array is a 630 MW offshore wind farm of 175 turbines in the Outer Thames Estuary off Kent, the world's largest when inaugurated in July 2013.
London Metal Exchange
The London Metal Exchange (LME) is a futures exchange founded in London in 1877 and the world center for industrial metals trading, owned by Hong Kong Exchanges and Clearing since 2012.
Long Island Power Authority
The Long Island Power Authority (LIPA) is a not-for-profit public utility created by New York in 1986 that owns the electric grid serving Long Island and the Rockaway Peninsula.
Long Spruce hydroelectric plant
Long Spruce Generating Station is a run-of-river hydroelectric plant on the lower Nelson River in northern Manitoba, Manitoba Hydro's fourth station on the river, opened in 1977.
Longannet power station
Longannet power station was a 2,400 MW coal-fired power station at Kincardine-on-Forth in Fife, Scotland, generating electricity from 1970 until 2016 as the last coal-fired power station in Scotland.
Longford to Long Island Point Replacement Oil Pipeline
The Longford to Long Island Point Replacement Oil Pipeline is a 187 km crude oil pipeline in Gippsland, Victoria, built by Esso in 2017 for about $400 million.
LONGi
LONGi, also known as LONGi Green Energy (隆基绿能), is a Chinese solar technology company founded in Xi'an in 2000, producing monocrystalline silicon wafers, cells, and modules.
Longkaikou hydroelectric plant
Longkaikou hydroelectric plant (龙开口水电站) is a 1,800 MW hydroelectric station on the middle Jinsha River in Heqing County, Yunnan, China, owned by China Huaneng and fully operating since 2014.
Longkou 7-1 Oil and Gas Field
Longkou 7-1 (龙口7-1) is an oil and gas field in eastern Bohai Bay, China, discovered by CNOOC in 2024 and notable for record tested gas productivity in the bay.