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HL-3
HL-3 (中国环流三号), formerly known as HL-2M, is a tokamak at the Southwestern Institute of Physics in Chengdu, China, that reached electron temperatures above 160 million degrees.
HL-GA Battery Company LLC
HL-GA Battery Company LLC is a Hyundai Motor Group and LG Energy Solution joint venture formed in 2023 to build a 30 GWh battery cell plant in Bryan County, Georgia.
HMH (drilling equipment company)
HMH is a Houston-based manufacturer of drilling equipment such as top drives and pressure control systems, formed in 2021 by merging Baker Hughes' drilling business with MHWirth.
Ho-Ping Power Plant
Ho-Ping Power Plant, also written Hoping Power Plant, is a 1,320 MW coal-fired power station near Hualien on Taiwan's north-east coast, owned by Taiwan Cement and selling power to Taipower since 2002.
Hoa Binh hydroelectric plant
The Hoa Binh hydroelectric plant (Nhà máy thủy điện Hòa Bình) is a 1,920 MW dam on the Da River in northern Vietnam, built with Soviet assistance between 1979 and 1994.
Hod Oil and Gas Field
Hod is an oil and gas field in the southern Norwegian North Sea, 13 km south of Valhall, discovered in 1974 and producing from chalk reservoirs.
Hohenruppersdorf Oil and Gas Field
Hohenruppersdorf Oil and Gas Field is an oil field in the Vienna Basin, Lower Austria, operated by OMV and producing since around 1939 to 1941.
Hohhot hydroelectric plant
The Hohhot hydroelectric plant (呼和浩特抽水蓄能电站, 呼蓄电站) is a 1,200 MW pumped-storage station in Inner Mongolia, China, the region's first, built to balance its wind-heavy grid and fully commissioned in 2015.
Hohhot Jinshan cogen power station
The Hohhot Jinshan cogen power station is a coal-fired combined heat and power station in Hohhot, Inner Mongolia, China, with a listed capacity of at least 3,920 MW.
Hohhot power station
Hohhot power station (呼和浩特热电厂), also known as Hohhot Fengtai power station, is a coal-fired combined heat and power plant of about 1,100 MW in Hohhot, Inner Mongolia, China.
Hokchi Oil and Gas Field
Hokchi is a shallow-water oil and gas field in the Gulf of Mexico off Tabasco, Mexico, discovered by Pemex in 2009 and producing since 2020.
Hoke effect
The Hoke effect, first reported in 2015 by Eric T. Hoke at Stanford, is the reversible light-induced phase segregation of mixed-halide perovskites into iodide-rich and bromide-rich domains.
Hokkaido Electric Power
Hokkaido Electric Power, also known as Hokkaido Denryoku or HEPCO, is the electric utility serving all of Hokkaido, Japan's northern main island. It was founded in 1951 and is headquartered in Sapporo.
Hokkaido Gas
Hokkaido Gas (北海道ガス) is a Japanese city gas utility headquartered in Sapporo. Founded in 1911, it is one of Japan's regional major gas suppliers, selling gas and electricity in Hokkaido.
Hokuriku Electric Power
Hokuriku Electric Power (北陸電力) is a Japanese electric utility, established in 1951, serving Toyama, Ishikawa, and Fukui prefectures from its head office in Toyama City.
Hollandse Kust Zuid wind farm
Hollandse Kust Zuid (HKZ) is an offshore wind farm in the Dutch North Sea with 139 Siemens Gamesa turbines and 1,509 MWe capacity, inaugurated in 2023 by King Willem-Alexander.
Holly Energy Partners, L.P.
Holly Energy Partners, L.P. was a midstream master limited partnership that transported petroleum products and crude oil by pipeline until HF Sinclair acquired it in 2023.
Homa Gas Field
The Homa Gas Field is an onshore natural gas field in Fars province, southern Iran, discovered in 2000, producing sweet gas and condensate since 2006 for the national network.
Home Energy Rating System
The Home Energy Rating System (HERS) is a standardized method for measuring a home's energy efficiency, using the HERS Index where 100 is a 2006-code reference home and 0 is net zero.
Homer City Generating Station
The Homer City Generating Station was a 2 GW coal-fired power plant in Indiana County, Pennsylvania, that operated from 1969 to 2023 and was Pennsylvania's largest coal plant.
Hometree
Hometree is a London-based residential energy services company founded by Simon Phelan in 2015, selling boiler breakdown cover alongside financing and installation of heat pumps, solar panels, and batteries.
Homogeneous base catalysis
Homogeneous base catalysis is a biodiesel production method in which a soluble base catalyst, typically sodium methoxide, NaOH, or KOH, converts oils into fatty acid methyl esters.
Homol Oil and Gas Field
Homol Oil and Gas Field is an offshore oil and gas field in the Gulf of Mexico off southeastern Mexico, operated by Pemex and discovered in 2002.
Hong Kong Offshore LNG Terminal
The Hong Kong Offshore LNG Terminal is Hong Kong's first offshore terminal for importing and regasifying liquefied natural gas, in service east of the Soko Islands since July 2023.
Hongde Oil Field
The Hongde Oil Field is a tight sandstone oil field in Huanxian County, Gansu, China, announced by PetroChina in December 2023 with reserves over 100 million tons.
Hongdunjie power station
Hongdunjie power station (红墩界电厂) is a 1,320 MW coal-fired power station in Hongdunjie Town, Jingbian County, Yulin, Shaanxi, China, with two 660 MW ultra-supercritical units in operation since 2024.
Honghua Group
Honghua Group, also known as Dongfang Honghua, is a Chinese drilling rig manufacturer based in Chengdu, listed in Hong Kong since 2008 and majority-owned by Dongfang Electric.
Hongjun Aluminum power station
Hongjun Aluminum power station (霍煤鸿骏电厂) is a 1,800 MW captive coal-fired power station in Holingol, Tongliao, Inner Mongolia, China, built to supply an aluminum smelter.
Hongliulin Coal Mine
Hongliulin Coal Mine (红柳林煤矿) is a large underground coal mine in Shenmu, Shaanxi, China, operated by Shaanxi Coal Group and permitted for 18 million tonnes per year.
Hongping hydroelectric plant
The Hongping hydroelectric plant, also known as Hongping Pumped Storage Power Station (江西洪屏抽水蓄能电站), is Jiangxi Province's first large pumped-storage plant, with its 1,200 MW first phase fully operational since 2016.