515 articles
Guangzhou Hengyun Enterprises Holdings
Guangzhou Hengyun Enterprises Holdings Ltd is a state-backed power generation and heat-supply company in Guangzhou, China, founded in 1987 and listed in Shenzhen since 1994.
Guizhou Wujiang Energy Group
Guizhou Wujiang Energy Group was a provincial state-owned energy holding company in Guizhou Province, China, with interests in shale gas and new energy, merged into Guizhou Energy Group in November 2025.
Gujarat State Electricity Corporation
Gujarat State Electricity Corporation is a state-owned power generation company in Gujarat, India, incorporated in 1993 under the Gujarat Electricity Board and now GUVNL's generation arm, with 7,250 MW installed capacity.
Gujarat Urja Vikas Nigam
Gujarat Urja Vikas Nigam (GUVNL) is an Indian state government company, created in 2005, that buys bulk power and coordinates Gujarat's electricity sector through its subsidiaries.
Guoyue Investment Group
Guoyue Investment Group Co., Ltd. (国粤投资集团有限公司) is a Chinese private investment group headquartered in Shenzhen, whose operating core is coal-fired power generation in southern China.
Haryana Power Generation
Haryana Power Generation Corporation Limited (HPGCL) is the wholly state-owned generation company of Haryana, India, incorporated in 1997 and operating thermal, hydro, and solar plants totaling 2,582.4 MW.
Hawaiian Electric Industries
Hawaiian Electric Industries (HEI) is a Hawaii holding company, dating to 1891, whose main utility subsidiary supplies electricity to about 95 percent of Hawaii's residents.
Hayes substation fire
The Hayes substation fire broke out on 20 March 2025 at the North Hyde substation in Hayes, west London, cutting power to over 70,000 customers and closing Heathrow Airport.
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.
Henan Shenhuo Coal&Power
Henan Shenhuo Coal & Power (河南神火煤电) is a Chinese coal mining, power, and aluminum smelting company, listed in Shenzhen and headquartered in Yongcheng, Henan Province.
Henan Yuneng Holdings
Henan Yuneng Holdings is a provincial state-owned energy company in Zhengzhou, Henan, that generates and sells electricity and heat from coal-fired plants and is expanding into wind and solar.
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.
Hilliard W. Paige
Hilliard W. Paige, also known as Hilliard Wegner Paige, was an American engineer and executive elected to the National Academy of Engineering in 1968 who led General Electric's missile and space division.
HK Electric Investments
HK Electric Investments is a Hong Kong-listed investment trust holding The Hongkong Electric Company, the utility supplying electricity to Hong Kong Island, Ap Lei Chau, and Lamma.
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.
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.
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.
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.
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.
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.
Hubei Energy Group
Hubei Energy Group, formed in 2005 and listed on the Shenzhen Stock Exchange, is a Chinese state-owned energy company in Wuhan controlled by China Three Gorges Corporation.
IDACORP
IDACORP is a Boise, Idaho-based holding company formed in 1998 whose principal subsidiary is Idaho Power, a regulated utility serving southern Idaho and eastern Oregon.
Independent Electricity System Operator
The Independent Electricity System Operator (IESO) is the not-for-profit corporation that operates Ontario's electricity grid, runs its wholesale markets, and plans the province's future electricity supply.
Indiana Michigan Power
Indiana Michigan Power is an investor-owned electric utility in Fort Wayne, Indiana, a subsidiary of American Electric Power serving over 600,000 customers across 30 counties.
Indraprastha Power Generation
Indraprastha Power Generation Company Limited (IPGCL) is the electricity generation company of the Government of Delhi, created on 1 July 2002 when the Delhi Vidyut Board was unbundled.
Inner Mongolia Energy Power Generation Investment Group
Inner Mongolia Energy Power Generation Investment Group (蒙能集团, Mengneng Group) is a state-owned energy company of Inner Mongolia, China, engaged in power generation, coal development, and power engineering.
Inner Mongolia MengDian HuaNeng Thermal Power
Inner Mongolia MengDian HuaNeng Thermal Power (内蒙古蒙电华能热电) is a Chinese power company headquartered in Hohhot, Inner Mongolia, listed in Shanghai and controlled by China Huaneng Group.
Inter RAO
Inter RAO (ПАО «Интер РАО») is a Russian energy holding company, founded in 1997, that serves as Russia's only electricity exporter and importer and operates about 31.2 GW of generation.
Intermountain Power Agency
The Intermountain Power Agency is a political subdivision of the State of Utah, organized in 1977, that owns the 1,800 MW Intermountain Power Project serving Utah and California.