901 articles
We Energies
We Energies is the trade name of Wisconsin Electric Power Company and Wisconsin Gas LLC, Wisconsin's largest electric and natural gas provider, based in Milwaukee.
Western Electricity Coordinating Council
The Western Electricity Coordinating Council (WECC) is a nonprofit Regional Entity, approved by FERC, that develops and enforces reliability standards across the Western Interconnection of western North America.
Western Energy Imbalance Market
The Western Energy Imbalance Market (WEIM) is a real-time wholesale electricity market operated by the California ISO, launched in 2014 and covering about 80 percent of western demand.
Western Interconnection
The Western Interconnection is one of the three major AC power grids of North America, serving more than 90 million people across the western United States, Canada, and Mexico.
Wholesale Electricity Market (Argentina)
The Wholesale Electricity Market (Mercado Eléctrico Mayorista, MEM) is Argentina's centralized market for bulk electricity, created by Law No. 24.065 of 1992 and operated by CAMMESA, which serves about 93% of national demand.
Wide area measurement system
A wide area measurement system (WAMS) is a power-grid infrastructure that collects GPS time-synchronized measurements from across a large transmission network, complementing SCADA with a real-time system-wide view.
Wiener Stadtwerke
Wiener Stadtwerke (Vienna Municipal Works) is the City of Vienna's municipal infrastructure holding company, founded in 1949, overseeing Wien Energie, Wiener Netze, and Wiener Linien.
William A. Chittenden
William A. Chittenden (1927–2018) was an American power-plant engineer who spent his career at Sargent & Lundy in Chicago, retiring as its chief executive officer in 1991.
William D. Stevens
William D. Stevens (1918–2007) was an American mechanical engineer and executive who retired as chairman of Foster Wheeler, a boiler maker, and was elected to the National Academy of Engineering in 1983.
William R. Gould
William Richard Gould (1919–2006) was an American mechanical engineer and utility executive who led Southern California Edison as chairman and CEO, pioneering renewable energy policy.
Willis S. White Jr.
Willis S. ("Pete") White Jr. (1926–2021) was an American electric utility executive who served as chairman and CEO of American Electric Power from 1976 to 1991.
Wisconsin Power and Light Company
Wisconsin Power and Light Company is a regulated electric and natural gas utility serving southern and central Wisconsin, serving about 500,000 electric customers as a subsidiary of Alliant Energy.
Wisconsin Public Service
Wisconsin Public Service (WPS) is a regulated utility providing electricity and natural gas to about 474,000 electric and 350,000 gas customers in northeast and central Wisconsin.
Xinjiang Production and Construction Corps Electric Power Group
Xinjiang Production and Construction Corps Electric Power Group, abbreviated Bingtuan Electric Power, is a regional power company of the XPCC in Xinjiang, created in 2021 to consolidate the Corps' electricity assets.
Xinjiang Tianfu Energy
Xinjiang Tianfu Energy Co., Ltd. (新疆天富能源) is a Chinese integrated energy company based in Shihezi, Xinjiang, supplying electricity, heat, gas, and water under the XPCC Eighth Division.
Xinjiang Tianye
Xinjiang Tianye is a Chinese chlor-alkali chemical and captive-power producer based in Shihezi, Xinjiang, listed in Shanghai since 1997 and controlled by the 8th Division of the Xinjiang Production and Construction Corps.
Xinjiang Zhongtai Chemical
Xinjiang Zhongtai Chemical (新疆中泰化学) is a Chinese chlor-alkali and viscose textile manufacturer headquartered in Urumqi, Xinjiang, listed on the Shenzhen Stock Exchange since 2006 under code 002092.
XM (Colombian grid operator)
XM, formally XM Compañía de Expertos en Mercados, is the Colombian company that operates the national interconnected system and administers the wholesale electricity market from its Medellín control center.
YTL Power International
YTL Power International is a Malaysian utilities company, majority owned by YTL Corporation, with power generation, water, and telecommunications businesses in Malaysia, the UK, and Singapore.
Yukon Energy
Yukon Energy Corporation is a publicly owned utility founded in 1987 that generates and transmits electricity across the Yukon, Canada, selling wholesale to ATCO Electric Yukon.
Yunnan Investment Holding Group
Yunnan Investment Holding Group (云南省投资控股集团有限公司), short name Yuntou Group, is a wholly state-owned investment company serving as Yunnan Province's investment vehicle; founded in 1997, it entered the Fortune Global 500 in 2021.
Yunnan Power Grid
Yunnan Power Grid (云南电网公司) is the utility that owns and operates the power grid of Yunnan Province in southwestern China, as one of five subsidiaries of China Southern Power Grid.
Zero-emission certificate (New Jersey)
A zero-emission certificate (ZEC) was a New Jersey instrument, created in 2018, funding nuclear plants Salem 1, Salem 2, and Hope Creek through a customer charge.
Zero-emission credit (Illinois)
A zero-emission credit is a tradable Illinois credit for electricity from nuclear plants, created by the 2016 Future Energy Jobs Act and procured from the Quad Cities and Clinton plants.
Zero-sequence current
Zero-sequence current (ground or residual current) is a component of three-phase AC systems where three currents are equal in magnitude and phase, passing through neutral or earth paths.
ZESA Holdings
ZESA Holdings is the state-owned holding company of Zimbabwe's national electricity utility, formed in 1986, overseeing generation, transmission, and distribution, and now being rebundled under the Mutapa Investment Fund.
ZESCO
ZESCO Limited is Zambia's state-owned, vertically integrated electricity utility, formed in 1970, owning about 75 percent of national generation capacity and most transmission and distribution assets.
Zespół Elektrowni Pątnów Adamów Konin
Zespół Elektrowni Pątnów Adamów Konin (ZE PAK) is a Polish energy company based in Konin, formed in 1970 from three lignite plants and now shifting to gas, solar, and nuclear projects.
Zhangbei converter station
The Zhangbei converter station is the sending end of China's Zhangbei flexible DC grid, delivering wind and solar power from Hebei to Beijing since 2020.
Zhundong converter station
The Zhundong converter station, also called the Changji converter station, sends ±1100 kV direct current from Xinjiang to Anhui over 3324 km, the world's highest-voltage HVDC link.