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Hongqinghe Coal Mine
Hongqinghe Coal Mine (红庆河煤矿) is a large underground bituminous coal mine in Ordos, Inner Mongolia, China, approved in 2013 and producing 8 million tonnes of coal a year.
Hongqingliang Coal Mine
Hongqingliang Coal Mine (红庆梁煤矿) is an underground coal mine in Ordos, Inner Mongolia, rated at 6 million tonnes per year and operated by Hangjinqi West Energy Development.
Hongsa Coal Mine
The Hongsa Coal Mine is an open-pit lignite mine in Xayaboury Province, Laos, excavated since 2009 to fuel the adjacent 1,878 MW mine-mouth power plant, the largest in the Lao PDR.
Hongsa Power
Hongsa Power Company Limited is a Lao power company operating the 1,878 MW lignite-fired Hongsa plant and adjacent mine in Xayaboury province, completed in 2016.
Hongsa power station
The Hongsa power station is a 1,878 MW lignite-fired, mine-mouth plant in Xayaboury Province, Laos, near the Thai border, completed in 2016 and described as Laos' highest-capacity power plant.
Hongshaquan No. 1 Surface Mine
Hongshaquan No. 1 Surface Mine (红沙泉一号露天煤矿) is a large open-pit coal mine in Qitai County, Xinjiang, China, with a licensed capacity of 30 million tonnes a year.
Hongshaquan North Coal Mine
Hongshaquan North Coal Mine (红沙泉北露天煤矿), also called the Zhonglian Runshi open-pit coal mine, is a surface coal mine in the Zhundong coalfield of Xinjiang, China, operated by a Henan Energy subsidiary.
Hongshuliang Coal Mine
Hongshuliang Coal Mine (红树梁煤矿) is an underground coal mine in Jungar Banner, Ordos, Inner Mongolia, China, operated by the Kailuan Group and formally in production since January 2022.
Hongyanhe nuclear power plant
Hongyanhe nuclear power plant (红沿河核电站) is a nuclear power station in Dalian, Liaoning, China, the first in Northeast China, with six reactors totaling more than 6.71 GW since 2022.
Honolulu Resource Recovery Venture
The Honolulu Resource Recovery Venture, owned by Reworld, operates H-POWER, Honolulu's waste-to-energy plant in Kapolei, Oahu, running since 1990 and supplying about 10% of Oahu's electricity.
Hoosier Energy Rural Electric Cooperative
Hoosier Energy Rural Electric Cooperative is a not-for-profit generation and transmission electric cooperative headquartered in Bloomington, Indiana, founded by farmers in 1949 to provide affordable wholesale power to 17 member cooperatives serving more than 700,000 consumers.
Hope Creek nuclear power plant
Hope Creek nuclear power plant is a single-unit boiling water reactor plant in Hancocks Bridge, New Jersey, operated by PSEG Nuclear and licensed to run until 2046.
HOPPECKE
HOPPECKE (Hoppecke Batterien GmbH) is a German family-owned manufacturer of industrial batteries, founded in Brilon in 1927, producing lead-acid, nickel-fiber, and lithium-ion batteries and reporting over €600 million in sales for 2024.
Horizon Oil (company)
Horizon Oil is an Australian oil and gas exploration and production company headquartered in Sydney, producing about 7,300 barrels of oil equivalent per day across five countries.
Horizon Oil Sands
Horizon Oil Sands is an integrated oil sands mine and upgrading complex owned by Canadian Natural Resources, located about 70 km north of Fort McMurray, Alberta.
Horizon Solar
Horizon Solar is a 200-megawatt utility-scale solar power plant near Pearsall in Frio County, Texas, owned by Leeward Renewable Energy and selling its output to Verizon.
Horizontal drilling
Horizontal drilling is a technique that turns a wellbore sideways to run through an oil or gas formation, exposing far more reservoir rock than a vertical well.
Horizonte wind farm
Horizonte wind farm (Parque Eólico Horizonte) is an 816 MW onshore wind farm in the Atacama Desert of Chile, developed and operated by Colbún S.A.
Horn River Gas Field
The Horn River gas field is a shale gas play in the Horn River Basin of northeastern British Columbia, Canada, that produced dry natural gas until 2024.
Hornsdale Power Reserve
The Hornsdale Power Reserve (HPR) is a grid-scale energy storage facility in South Australia, operated by Neoen. Commissioned in 2017 and expanded in 2020, it utilized Tesla Powerpack lithium-ion technology.
Hornsea Wind Farm
Hornsea Wind Farm is a series of offshore wind farms in the North Sea off Yorkshire, England, developed by Danish company Ørsted within a licensing zone covering four projects.
Horonobe URL
The Horonobe URL (幌延深地層研究センター) is an underground research laboratory in Horonobe, Hokkaido, Japan, where JAEA studies geological disposal of high-level radioactive waste in sedimentary rock.
Horse Hollow Wind Energy Center
Horse Hollow Wind Energy Center is a 735.5 MW wind farm in Taylor and Nolan counties, Texas, the world's largest wind farm when completed in 2006.
Hosting capacity
Hosting capacity is the maximum amount of distributed energy resources, including rooftop solar and battery storage, that an existing electric distribution grid can accommodate safely without infrastructure upgrades.
Hot spot in photovoltaic modules
A hot spot in a photovoltaic module is localized excessive heating that forms when shading or a cell defect forces a solar cell into reverse bias, damaging the module.
Hot tapping
Hot tapping, also called pressure tapping, is a technique for making a new branch connection into a pressurized pipe while it stays in service, avoiding shutdowns and methane venting.
Hot water pretreatment
Hot water pretreatment, also called liquid hot water (LHW) pretreatment, cooks lignocellulosic biomass in pressurized water at 160–240 °C to dissolve hemicellulose and make cellulose accessible for bioethanol production.
Hot-carrier solar cell
A hot-carrier solar cell is a proposed photovoltaic device that extracts photoexcited carriers before they cool, proposed by Ross and Nozik in 1982 with a theoretical efficiency of 66%.
Houshi power station
Houshi power station, also known as Zhangzhou Houshi power plant (漳州后石电厂), is a 4,200 MW coal-fired power station in Zhangzhou, Fujian, China, with seven 600 MW supercritical units built from 1996 with Taiwan funding.
Houston Gas Pipeline (HPL) System
The Houston Gas Pipeline (HPL) System is a Texas intrastate natural gas pipeline network of about 3,920 miles owned by Energy Transfer, including the Bammel storage reservoir near Houston.