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Hengtong
Hengtong Group Co., Ltd. (亨通集团) is a Chinese manufacturer of optical fiber, power cable, and submarine cable systems, founded in 1991 and headquartered in Wujiang, Suzhou.
Hera Group
Hera Group (Gruppo Hera) is an Italian multi-utility headquartered in Bologna, providing water, gas, electricity, waste management, and related services mainly in Emilia-Romagna. It was formed in 2002 from 11 municipal utilities.
HERIC inverter
The HERIC inverter is a transformerless single-phase photovoltaic inverter topology combining an H-bridge with an AC-side bypass leg that suppresses ground leakage current while keeping efficiency high.
Heritage Oil
Heritage Oil is an independent oil and gas exploration company founded in 1992, known for discovering Uganda's Kingfisher field and now holding a stake in Nigeria's OML 30.
Hermes Oil and Gas Field
Hermes is an offshore oil field in the North Carnarvon Basin, north-west Western Australia, one of four CWLH fields in the North West Shelf Oil Project, producing since 1997.
Hero Future Energies
Hero Future Energies is the renewable energy arm of India's Hero Group, founded in 2012 and headquartered in London, with a global portfolio of 7.7 GWp.
Heron Power
Heron Power, formerly Accelerate Power Co., is a Scotts Valley, California startup founded in 2024 by former Tesla executive Drew Baglino that develops solid-state transformers for data centers and the grid.
Heshan power station
Heshan power station (大唐桂冠合山发电厂), also called Datang or Guiguan Heshan, is a coal-fired power station in Laibin, Guangxi, China, founded in 1967 with 1,330 MW today.
Heshui Shale Oil Field
The Heshui Shale Oil Field is a shale and tight oil development in the Ordos Basin in Gansu Province, China, operated by PetroChina's Changqing Oilfield Company from the Triassic Chang 7 member.
Heshuyuan power station
Heshuyuan power station (梅县荷树园发电厂) is a 1,470 MW coal-fired power station in Meizhou, Guangdong, China, owned by Guangdong Baolihua Electric Power and known for burning coal gangue waste.
Hess Corporation
Hess Corporation, formerly Amerada Hess Corporation, was an American oil and gas exploration and production company, incorporated in 1920 and acquired by Chevron in 2025.
Hess Midstream
Hess Midstream (NYSE: HESM) is a fee-based midstream energy company formed by Hess in 2014, serving Hess and third-party customers in the Bakken shale of North Dakota.
Heterogeneous base catalyst
A heterogeneous base catalyst is a solid material, such as calcium oxide, with basic surface sites that converts vegetable oils into biodiesel and can be separated, regenerated, and reused.
Heterojunction solar cell
A heterojunction solar cell, also called silicon heterojunction (SHJ) or HIT, is a crystalline silicon wafer solar cell passivated by thin amorphous silicon layers, reaching record efficiencies above 26%.
Hetianhe Gas Field
Hetianhe Gas Field (和田河气田) is a carbonate gas field in the Tarim Basin of Xinjiang, northwest China, in the Taklamakan Desert and operated by PetroChina's Tarim Oilfield Company.
Hewett Pipeline System
The Hewett Pipeline System is a set of North Sea gas pipelines that carried production from the Hewett field to the Bacton terminal until late 2020.
Heysham nuclear power plant
Heysham nuclear power plant is a pair of nuclear power stations, Heysham 1 and Heysham 2, on the Lancashire coast in England, operated by EDF Energy.
Heyuan power station
Heyuan power station is an operating coal-fired power station of at least 3,244 megawatts in Puqian, Heyuan, Guangdong, China, owned by Shenzhen Energy Group and Hopewell Holdings.
Heze power station
Heze power station (菏泽发电厂) is a coal-fired power station in Yuecheng Town, Heze, Shandong, China, with about 1,510 MW across six units built between 1990 and 2006.
Hezhou power station
Hezhou power station is a 2,090 MW coal-fired power plant in Hezhou, Guangxi, China, whose two ultra-supercritical units, commissioned in 2012, were the first in Guangxi.
HF Sinclair
HF Sinclair Corporation is an American petroleum refining and renewable fuels company headquartered in Dallas, Texas, formed in 2022 as parent of HollyFrontier after acquiring Sinclair Oil.
HF Sinclair Tulsa refinery
The HF Sinclair Tulsa refinery is a petroleum refinery in Tulsa, Oklahoma, owned by HF Sinclair, with two plants along the Arkansas River processing 125,000 barrels of crude daily.
Hibernia Oil and Gas Field
Hibernia is an offshore oil field in the Jeanne d'Arc Basin on the Grand Banks of Newfoundland, discovered in 1979 and producing since November 1997 from a gravity base platform.
Hibiki LNG Terminal
Hibiki LNG Terminal (ひびきLNG基地) is an LNG import terminal in Kitakyushu, Japan, opened in 2014 and owned by Saibu Gas Holdings and Kyushu Electric Power, supplying city gas to Fukuoka.
Hidalgo Wind Farm (Texas)
Hidalgo Wind Farm is a 250 MW onshore wind farm near McCook in Hidalgo County, Texas, owned by EDP Renewables North America and operating since December 2016.
Hidroelectrica
Hidroelectrica is Romania's largest electricity producer, a hydropower generation and supply company majority owned by the Romanian state, which kept an 80.06% stake through its 2023 stock exchange listing.
Hidroituango Dam
Hidroituango is Colombia's largest hydroelectric project, a dam on the Cauca River in Antioquia designed for 2,400 MW, with four of eight units operating since 2023.
HIF Global
HIF Global (Highly Innovative Fuels) is a multinational e-fuels developer, structured as a US holding company originated in Chile, operating the first e-fuels plant, Haru Oni, in Punta Arenas.
Higashi Niigata LNG Terminal
The Higashi Niigata LNG Terminal is an LNG import terminal in Seiro, Niigata Prefecture, Japan, opened in 1984 and serving the Higashi Niigata Thermal Power Station.
Higashi Niigata thermal power station
Higashi Niigata thermal power station (東新潟火力発電所) is an LNG-fired power station of Tohoku Electric Power in Seiro Town, Niigata Prefecture, Japan, with a capacity of about 4,160 MW.