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Energy technology

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Electric power system

An electric power system is the network that generates electricity, transmits it over long distances at high voltage, and distributes it to consumers, joined at substations.

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.

Electric trolley-assist

Electric trolley-assist is a mining haulage technology in which diesel-electric haul trucks connect through pantographs to overhead lines on pit ramps, roughly doubling uphill speed while cutting diesel use.

Electric vehicle battery

An electric vehicle battery, also known as a traction battery or EV battery, is a rechargeable lithium-ion pack that supplies power to electric cars, hybrids, and plug-in hybrids.

Electrica

Electrica, formally Societatea Energetica Electrica S.A., is a Romanian energy company for electricity distribution and supply, listed in Bucharest and London since 2014 and serving about 4 million customers.

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.

Electrically conductive adhesive (photovoltaics)

An electrically conductive adhesive (ECA) in photovoltaics is a polymer filled with conductive particles that bonds solar cells to copper ribbon while carrying current across the joint.

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

Electricity generation, also called electric power generation, converts primary energy sources like coal, natural gas, nuclear, sunlight, and wind into electrical power for the grid.

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 liberalization

Electricity liberalization is the reform of a state-owned or monopoly electric power sector to open generation and retail supply to competition, first enacted in Chile in 1982.

Electricity market

An electricity market is an organized system where generators, suppliers, traders, and consumers buy and sell electric power, with prices set by auctions, contracts, or regulated tariffs.

Electricity Market Design reform

The Electricity Market Design reform is the European Union's 2024 revision of its electricity market rules, adopted after the 2022 energy crisis to reduce consumer bills' dependence on fossil fuel prices.

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.

Electrify America

Electrify America is an American electric vehicle charging network created by Volkswagen Group to fulfill a $2 billion Clean Air Act settlement, with chargers up to 350 kW.

Electro-chemo-mechanical contact loss in all-solid-state cells

Electro-chemo-mechanical contact loss in all-solid-state cells is degradation in which electrode volume change during cycling breaks solid-solid contact, and the rigid solid electrolyte cannot re-wet the surface.

Electrocatalyst degradation

Electrocatalyst degradation is the loss of catalyst activity or integrity in devices such as fuel cells and electrolyzers, caused by dissolution, ripening, agglomeration, and detachment.

Electrochemical hydrogen compressor

An electrochemical hydrogen compressor (EHC) is a device that compresses hydrogen by pumping protons across a proton exchange membrane, offering noiseless, vibration-free operation with no moving parts.