901 articles
ISA (Colombia)
ISA (Interconexión Eléctrica S.A. E.S.P.) is a Colombian public utility company founded in 1967, one of the largest energy transmission companies in Latin America, majority-owned by Ecopetrol since 2021.
Islanding
Islanding is the condition where part of an electric power system stays energized after separating from the grid, either deliberately as with microgrids or unintentionally.
Islanding detection
Islanding detection is the set of techniques a distributed generator uses to detect that it has separated from the main grid, so it can stop energizing the isolated section.
ISO New England
ISO New England, also called ISO-NE, is the corporation that runs the New England power grid and administers its competitive wholesale electricity markets, serving 7.6 million retail customers across six states.
Isolated-phase bus
An isolated-phase bus, also called isolated-phase busduct, is a metal-enclosed busbar system carrying very large alternating currents, in which each phase has its own grounded enclosure.
Israel Electric Corporation
Israel Electric Corporation (Hebrew: חברת החשמל לישראל, IEC) is the state-owned electric utility of Israel, founded in 1923 as the Palestine Electric Company at the initiative of Pinhas Rutenberg.
Italy–Montenegro interconnector
The Italy–Montenegro interconnector, known as the MONITA project, is a 445 km HVDC submarine power link between Cepagatti, Italy, and Lastva, Montenegro, inaugurated in 2019 with 600 MW capacity.
ITC Holdings
ITC Holdings is an American independent electricity transmission company, the largest in the United States, founded in 2003 and operating about 16,000 circuit miles of lines across 8 states as a subsidiary of Canada's Fortis Inc.
James J. Markowsky
James J. Markowsky is an American power engineer who led American Electric Power's 21,000 MW coal fleet and served as Assistant Secretary for Fossil Energy from 2009.
JEA (Florida)
JEA is the municipally owned electric, water, and sewer utility of Jacksonville, Florida, an independent city agency since the late 1960s and the largest municipal utility in Florida.
Jiangsu Guoxin Investment Group
Jiangsu Guoxin Investment Group is a solely state-owned investment holding group of Jiangsu Province, China, established in 2001 with RMB 30 billion in capital, active in energy, finance, and emerging industries.
Jilin Electric Power
Jilin Electric Power is a Chinese power generation company in Changchun controlled by SPIC, renamed SPIC Green Energy in 2026 as it shifted to renewables.
Jinneng Holding Shanxi Electric Power
Jinneng Holding Shanxi Electric Power, until 2020 named Shanxi Zhangze Electric Power, is a Chinese power generation company producing and selling electricity and heat in Shanxi Province.
John D. McDonald
John D. McDonald is an American electric power engineer, a pioneer of grid automation and smart grid development elected to the National Academy of Engineering in 2022.
John E. Gray
John E. Gray, also known as John Edmund Gray, was an American chemical engineer who managed the Shippingport Atomic Power Station and was elected to the National Academy of Engineering in 1992.
John J. Taylor
John J. Taylor (1922–2013) was an American nuclear engineer who designed radiation shields for the first nuclear submarine, USS Nautilus, and led EPRI's nuclear power division.
John Joseph Paserba Jr.
John Joseph Paserba Jr. is an American electric power engineer and president and CEO of Southern States, LLC, elected to the National Academy of Engineering in 2025.
John M. West
John M. West (1920–2004) was an American nuclear engineer and Manhattan Project veteran who led Combustion Engineering's nuclear division and pioneered the boiling-water reactor program.
John R. Kiely
John R. Kiely (1906–1996) was an American civil engineer at Bechtel who directed the Churchill Falls hydroelectric project and chaired the joint venture that built BART.
John W. Kalb
John W. Kalb was an electric-power engineer at the Ohio Brass Company of Barberton, Ohio, known for full-scale switching-surge and lightning-arrester research on extra-high-voltage transmission lines in the 1960s.
JSW Energy
JSW Energy is an Indian independent power producer founded in 1994 as part of the JSW Group, generating electricity from thermal, hydro, wind, and solar sources.
K-Electric
K-Electric, founded in 1913 as the Karachi Electric Supply Corporation and privatized in 2005, is Pakistan's only vertically integrated electric utility, serving Karachi and adjoining areas of Sindh and Balochistan.
Karadeniz Holding
Karadeniz Holding is a Turkish family-owned energy conglomerate headquartered in Istanbul, best known for its Karpowership subsidiary, which operates the world's largest fleet of floating power plants.
Karnataka Power
Karnataka Power is the electricity generation system of the Indian state of Karnataka, centered on the state-owned Karnataka Power Corporation Limited, incorporated in July 1970.
Kathryn J. Jackson
Kathryn J. (Kate) Jackson is an American energy-sector engineer and National Academy of Engineering member who served as chief technology officer of Westinghouse Electric Company and board chair of ISO New England.
KenGen
KenGen (Kenya Electricity Generating Company) is Kenya's largest electricity generator, producing about 60 percent of the country's power from hydro, geothermal, wind, and thermal plants.
Kenneth W. Hamming
Kenneth W. Hamming (1918–2005) was an American power plant engineer who led the Chicago design firm Sargent & Lundy and was elected to the National Academy of Engineering in 1974.
Kentucky Power
Kentucky Power, formally Kentucky Power Company, is a regulated electric utility headquartered in Ashland, Kentucky, serving about 162,000 customers in 20 eastern Kentucky counties as an American Electric Power subsidiary.
Kentucky Utilities
Kentucky Utilities (KU) is an investor-owned utility headquartered in Lexington that operates in Kentucky and Virginia. It is a subsidiary of LG&E and KU, owned by PPL Corporation.
Kenya Power
Kenya Power, formally the Kenya Power and Lighting Company (KPLC), is Kenya's national electricity utility, incorporated in 1922, majority-owned by the government, and serving more than 10 million customers.