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Hazelwood power station
Hazelwood power station was a 1,600 MW brown coal-fired power station and open-cut mine at Morwell in Victoria's Latrobe Valley, built between 1964 and 1971 and closed in 2017.
Hazira LNG Terminal
The Hazira LNG Terminal is a liquefied natural gas receiving and regasification terminal at Hazira, near Surat in Gujarat, India, commissioned in 2005 and owned by Shell.
Hazira-Vijaipur-Jagdishpur (HVJ) Gas Pipeline
The Hazira-Vijaipur-Jagdishpur (HVJ) gas pipeline, also called the HBJ pipeline, runs from Hazira in Gujarat to Jagdishpur in Uttar Pradesh and was India's first cross-country natural gas pipeline.
He Dreiht
He Dreiht (Low German for "It spins") is a 960 MW offshore wind farm in the German North Sea, developed by EnBW and Germany's largest, inaugurated in 2026.
Heartland Hydrogen Hub
The Heartland Hydrogen Hub is one of seven United States Department of Energy regional hydrogen hubs, led by the University of North Dakota and focused on fertilizer.
Heat engine
A heat engine, or thermal engine, is a device that converts heat from a hot source into mechanical work, rejecting the rest to a cold sink.
Heat exchanger network retrofit
Heat exchanger network retrofit modifies the heat exchanger network of an existing process plant to improve heat recovery, cutting energy demand and cost by adding area, enhancing heat transfer, or changing structure.
Heat integration
Heat integration is a chemical engineering design method that matches a plant's heat sources and sinks through pinch analysis, cutting external utility use, often by 20% or more.
Heat of combustion
The heat of combustion, also called the heating value or calorific value, is the energy released when a unit amount of a substance burns completely in oxygen.
Heat pipe heat exchanger
A heat pipe heat exchanger (HPHX) is a passive heat exchanger that transfers heat between two airstreams via sealed heat pipes, with zero cross-contamination and no external power.
Heat pump dryer
A heat pump dryer is a ventless clothes dryer that dries laundry in a closed air loop using a heat pump, saving at least 28% of the energy.
Heat pump water heater
A heat pump water heater is an electric appliance that moves heat from surrounding air into a water tank, delivering two to four times the heat per unit of electricity.
Heat recovery steam generator
A heat recovery steam generator (HRSG) is a boiler that recovers heat from hot gas turbine exhaust to raise steam, most often for a steam turbine.
Heat recovery ventilation
Heat recovery ventilation, also called an air exchanger, is a balanced ventilation method that transfers heat from exhaust air to incoming fresh air, recovering up to 80% of it.
Heating oil
Heating oil is a petroleum distillate fuel burned in boilers and furnaces for space and water heating, closely related to diesel and used mainly by households in the US Northeast.
Hebei Cangdong power station
Hebei Cangdong power station (沧东电厂), also called the Cangdong Power Plant, is a coal-fired combined heat and power plant at Huanghua Port in Cangzhou, Hebei Province, China.
Hebei Construction & Investment Group
Hebei Construction & Investment Group, known abroad as HECIG, is a Chinese state-owned investment holding company wholly owned by Hebei province's SASAC and the province's largest state-owned capital investment company.
Hebei Construction Investment Energy Investment
Hebei Construction Investment Energy Investment (Jiantou Energy) is a Chinese state-owned power company investing in and operating coal-fired generation and district heating in Hebei Province.
Hebei Gas pipeline Network
The Hebei Gas Pipeline Network (河北输气管网) is a system of long-distance natural gas pipelines in Hebei Province, China, supplied by the Russia–China East Pipeline and LNG terminals.
Hebei Longshan power station
Hebei Longshan power station (河北龙山发电厂) is a coal-fired power plant in Shexian County, Handan, Hebei, and the first 600 MW-class subcritical air-cooled plant in the province.
Hebei Spirit oil spill
The Hebei Spirit oil spill (허베이스피릿호 기름유출 사고) was South Korea's largest marine oil spill, releasing 10,900 tonnes of crude oil off Taean in December 2007.
Hebei-Nanjing Connecting Gas Pipeline
The Hebei-Nanjing Connecting Gas Pipeline (冀宁联络线) is an 886 km natural gas pipeline built by PetroChina that links the West-East Gas Pipeline with Shaan-Beijing Line 2, entering service in 2005.
Hebi Heqi power station
Hebi Heqi power station is a coal-fired power station of at least 1,320 MW in Qi County, Hebi, Henan, China, whose two 660 MW ultra-supercritical units entered service in 2015.
Hebi power station
Hebi power station (鹤壁电厂) is a complex of coal-fired power stations in Hebi, a mining city in northern Henan Province, China, built in phases from 1988 to 2015.
Hebron Oil and Gas Field
The Hebron oil field is an offshore field in the Jeanne d'Arc Basin on the Grand Banks off Newfoundland, Canada, producing heavy oil since 2017 from a concrete gravity-based platform operated by ExxonMobil.
HEFA (biofuel)
HEFA (hydroprocessed esters and fatty acids), also called HEFA-SPK or HRJ, is a biofuel pathway that converts vegetable oils, animal fats, and used cooking oils into jet fuel and diesel.
Hefei Lujiang power station
Hefei Lujiang power station (神皖合肥庐江发电厂) is a coal-fired power station in Lujiang County, Hefei, Anhui, China, whose two 660 MW ultra-supercritical units entered service in 2018.
Hefei power station
Hefei power station (皖能合肥发电厂) is a 1,260 MW coal-fired power station in Luyang District, Hefei, Anhui, China, whose current two 630 MW units began operation in 2009 and 2013.
Hegang power station
Hegang power station, also known as Huaneng Hegang power station, is a 1,200 MW coal-fired power station in Hegang, Heilongjiang, China, owned by Huaneng Power International.
Heidrun oil field
Heidrun is an oil and gas field in the Norwegian Sea off Mid-Norway, discovered in 1985 and producing since 1995 from the world's first floating concrete tension-leg platform.