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Houston Refinery
The Houston Refinery was a 268,000-barrel-per-day full-conversion refinery on the Houston Ship Channel in Houston, Texas, built by Sinclair in 1918 and permanently shut down in 2025.
Houziyan hydroelectric plant
Houziyan hydroelectric plant (猴子岩水电站) is a 1,700 MW hydropower station on the Dadu River in Kangding, Sichuan, China, with its first unit generating from January 2017.
Howard J. Bruschi
Howard J. Bruschi is an American nuclear engineer who led development of Westinghouse's passively safe AP600 and AP1000 reactors, retiring as senior vice president and chief technology officer.
Howe Sound Mill power station
Howe Sound Mill power station is a biomass-fired cogeneration power station at the Howe Sound Pulp and Paper mill in Port Mellon, British Columbia, Canada.
HPBC
HPBC is a high-efficiency back-contact solar cell technology developed by the Chinese manufacturer LONGi, entering mass production in 2022 in the Hi-MO 6 module series.
HPR1000
The HPR1000, marketed as Hualong One (华龙一号), is a Chinese third-generation pressurized water reactor developed jointly by CNNC and CGN; its first unit, Fuqing Unit 5, entered commercial operation in January 2021.
Hrvatska elektroprivreda
Hrvatska elektroprivreda (HEP) is the Croatian state-owned electric power company established on 28 July 1990, which generates, transmits, and distributes electricity, supplies heat and gas, and co-owns the Krško nuclear plant in Slovenia.
Hsieh-Ho power station
Hsieh-Ho power station (协和发电厂) is a thermal power plant in Keelung, Taiwan. Built as a heavy-oil plant beginning in 1977, it is owned and operated by Taiwan Power Company.
Hsinta power station
Hsinta power station (兴达发电厂), also called Hsing-ta Power Plant, is a thermal plant of Taiwan Power Company in Kaohsiung, Taiwan, the third-largest with about 4,326 MW.
HT-7
HT-7, short for Hefei Tokamak-7, was a superconducting tokamak operated by China's Institute of Plasma Physics in Hefei, commissioned in 1994 from a rebuilt Soviet T-7.
HTR-10
The HTR-10 is a 10 MW thermal pebble-bed test reactor in Beijing, built by Tsinghua University, China's first high-temperature gas-cooled reactor, which reached criticality in 2000.
HTR-PM
The HTR-PM is a Chinese demonstration nuclear plant at Shidao Bay, Shandong, pairing two pebble-bed high-temperature gas-cooled reactors with one turbine; it reached commercial operation in 2023 as the world's first modular HTGR plant.
HTS magnet
An HTS magnet is a superconducting magnet made from high-temperature superconductor material, usually REBCO tape, operating at 20 to 30 K and central to compact fusion designs.
HTTR
The High Temperature engineering Test Reactor (HTTR) is a 30 MW gas-cooled test reactor at JAEA's Oarai institute in Ibaraki, Japan, the only HTGR in the country.
Huadian Changji power station
Huadian Changji power station is a coal-fired cogeneration plant in Changji, Xinjiang, China, operated by China Huadian with two 330 MW units commissioned in 2011, heating the city.
Huadian Energy
Huadian Energy (华电能源) is a Chinese power generation and district heating company headquartered in Harbin, Heilongjiang. Controlled by China Huadian Group, it is the province's largest thermal power generator.
Huadian Laizhou power station
Huadian Laizhou power station is a coal-fired power station in Jincheng Town, Laizhou, Shandong, China, operated by Huadian Power International, with an operating capacity of 4,100 MW at the end of 2025.
Huadian Longkou power station
Huadian Longkou power station (华电龙口发电厂) is a coal-fired power station in Longkou, Yantai, Shandong, China, owned by Huadian Power International and rebuilt around two 660 MW ultra-supercritical cogeneration units completed in 2023 and 2025.
Huadian Qishuyan Gas power station
The Huadian Qishuyan Gas power station (江苏华电戚墅堰发电有限公司) is a natural gas-fired plant in Changzhou, Jiangsu, China, a backbone peaking source for the East China grid.
Huadian Weifang power station
Huadian Weifang power station is a 2,000 MW coal-fired power station in Weifang, Shandong Province, China, operated by Huadian Weifang Power Generation Company Limited, a subsidiary of Huadian Power International.
Huadian Xiangyang power station
Huadian Xiangyang power station (华电襄阳发电厂) is a 2,600 MW coal-fired power station in Xiaohe Town, Xiangyang, Hubei, China, built as a companion to the Three Gorges dam.
Huadian Xisaishan power station
Huadian Xisaishan power station (华电西塞山电厂) is a coal-fired power station in Huangshi, Hubei, China, on the Yangtze River with four units totaling at least 2,020 MW.
Huadian Zibo power station
Huadian Zibo power station (华电国际淄博热电), also known as Nanding Thermal Power (南定热电), is a 950 MW coal-fired combined heat and power station in Zibo, Shandong, China, owned by Huadian Power International.
Huaibei Guo'an power station
Huaibei Guo'an power station is a coal-fired power station in Lieshan District, Huaibei, Anhui, China, whose two 320 MW units came online in 2000 and whose two 660 MW ultra-supercritical units were commissioned in 2026.
Huaibei Hushan power station
Huaibei Hushan power station (大唐淮北虎山发电厂) is a 1,320 MW coal-fired power plant in Huaibei, Anhui, China, owned by Datang, with two 660 MW units commissioned in 2013.
Huaibei Linhuan power station
Huaibei Linhuan power station, also known as the Wobei LHV Coal Power Project, is a 1,260 MW coal-fired plant in Huaibei, Anhui, China, burning waste coal since 2008.
Huaibei Mining
Huaibei Mining is a Chinese state-owned coal enterprise in Huaibei, Anhui Province, whose listed subsidiary Huaibei Mining Holdings trades on the Shanghai Stock Exchange as 600985.
Huaibei Pingshan power station
Huaibei Pingshan power station (平山电厂) is a coal-fired power station in Huaibei, Anhui, China, with three ultra-supercritical units totaling at least 2,670 MW, commissioned from 2015 to 2022.
Huaibei power station
Huaibei power station (大唐淮北发电厂) was a coal-fired power station in Huaibei, Anhui, China, operated by Datang; its units ran from 1973 until retirement in 2007 and 2020.
Huaihe Energy Holding Group
Huaihe Energy Holding Group (淮河能源) is a Chinese state-owned energy group based in Huainan, Anhui Province, whose main businesses are coal, electricity, and gas; it controls Huainan Mining and the Shanghai-listed Huaihe Energy (Group) Co.