901 articles
Electric power transmission
Electric power transmission is the bulk movement of electricity from power plants to load centers over high-voltage lines, kept separate from the lower-voltage distribution system serving homes and businesses.
Electric Reliability Council of Texas
The Electric Reliability Council of Texas (ERCOT) is the independent system operator managing power for 27 million customers, about 90 percent of Texas's electric load.
Electrical grid
An electrical grid, also called an electricity grid or power grid, is the network of power plants, transmission lines, transformers, and distribution lines that carries electricity to consumers.
Electrical treeing
Electrical treeing is a pre-breakdown degradation process in which branching channels grow through solid electrical insulation, the primary failure mode of polymeric high-voltage cable insulation.
Électricité de France
Électricité de France (EDF) is a French state-owned electricity utility created in 1946, one of the world's largest producers of low-carbon power, serving 41.1 million customer sites.
Électricité du Laos
Électricité du Laos (EDL) is the state-owned electricity utility of Laos, founded in 1959, which drove national electrification and hydropower exports and later faced a debt crisis.
Electricity and Water Authority
The Electricity and Water Authority (Arabic: هيئة الكهرباء والماء) is Bahrain's government body for electricity and water services, created by royal decree in December 2007, replacing the Ministry of Electricity and Water.
Electricity Generating Authority of Thailand
The Electricity Generating Authority of Thailand (การไฟฟ้าฝ่ายผลิตแห่งประเทศไทย), commonly known as EGAT, is a Thai state enterprise established in 1968 that generates, transmits, and sells electricity.
Electricity Generating Public Company Limited
Electricity Generating Public Company Limited, known as EGCO Group, is a Thai power holding company founded by EGAT in 1992 as Thailand's first independent power producer.
Electricity Generation Company of Bangladesh
The Electricity Generation Company of Bangladesh (EGCB) is a state-owned power generation company under the Bangladesh Power Development Board, operating four plants with 1,032 MW capacity.
Electricity meter
An electricity meter, also called a kilowatt-hour or energy meter, is a device that measures electrical energy consumed by a customer in kilowatt-hours for billing.
Electricity sector in Australia
The electricity sector in Australia centers on the National Electricity Market, launched in 1998, which serves the eastern and southern states and about 80% of national consumption.
Electricity sector in Canada
Canada's electricity sector generated 622.2 million MWh in 2024, over 60% from hydro, wind, and solar, with each province running its own system under its own jurisdiction.
Electricity sector in China
The electricity sector in China is the world's largest national power system, consuming 9.85 trillion kWh in 2024 and leading both wind and solar construction.
Electricity sector in India
The electricity sector in India, also called the Indian power sector, supplies the world's third-largest electricity market, with about 462,000 MW installed capacity and roughly 2,000 TWh generated annually.
Electricity sector in Mexico
The electricity sector in Mexico is led by the Federal Electricity Commission (CFE), which must supply at least 54 percent of the power after a 2025 reform reversed the 2013 liberalization.
Electricity sector in the European Union
The electricity sector in the European Union is a coupled internal power market in which member states keep their own energy mix, with renewables reaching half of consumption in 2025.
Electromagnetic transient simulation
Electromagnetic transient (EMT) simulation is a time-domain numerical method computing instantaneous power network voltages and currents during fast disturbances like switching, faults, and lightning, introduced by Hermann Dommel in 1969.
Electroperú
Electroperú (Empresa de Electricidad del Perú S.A.) is a Peruvian state-owned electricity company founded in 1972, whose Mantaro complex supplies about 13 percent of Peru's energy.
Elektrik Üretim A.Ş.
Elektrik Üretim A.Ş. (EÜAŞ), Electricity Generation Corporation, is Turkey's state-owned power producer, created in 2001 from the split of TEAŞ and still the country's largest.
Elektroprivreda BiH
Elektroprivreda BiH (EPBiH) is the largest electric utility in Bosnia and Herzegovina, a public joint-stock company in Sarajevo generating, distributing, and trading electricity in the Federation of BiH.
Elering
Elering is the Estonian electricity and gas transmission system operator, founded in 2010 through separation from Eesti Energia, and led Estonia's 2025 power grid synchronization with Continental Europe.
ELES
ELES, fully owned by the Republic of Slovenia, is the country's electricity transmission system operator. Founded in 1990 and based in Ljubljana, it operates the 110, 220, and 400 kV network.
Eletronorte
Eletronorte (Centrais Elétricas do Norte do Brasil) is a Brazilian electricity generation and transmission company, created by the federal government in 1973 to develop the Amazon region's power systems.
Eletronuclear
Eletronuclear, formally Eletrobrás Termonuclear S.A., is the Brazilian mixed-capital company that operates the Angra 1 and Angra 2 nuclear plants at Angra dos Reis, created in 1997.
Eletropaulo
Eletropaulo Metropolitana Eletricidade de São Paulo S.A. was a Brazilian electricity distributor serving greater São Paulo, created in 1981, privatized in 1998, and acquired by Enel in 2018.
Elia Group
Elia Group is an Euronext-listed holding company that owns the Belgian transmission system operator Elia and the German operator 50Hertz, keeping power flowing for more than 30 million people.
Elster (metering company)
Elster is a metering brand and former company group that makes gas, electricity, and water meters, acquired by Honeywell from Melrose Industries in 2015 for about $5.1 billion.
Empresa Nacional de Electricidad (Bolivia)
Empresa Nacional de Electricidad (ENDE) is Bolivia's state-owned electricity corporation, founded in 1962 and active across generation, transmission, distribution, and import and export of electricity.
EN 50160
EN 50160 is a CENELEC European standard, titled Voltage characteristics of electricity supplied by public electricity networks, defining expected voltage quality at user supply terminals.