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EastMed Pipeline
The EastMed Pipeline is a proposed natural gas pipeline, about 1,900 kilometers long, that would carry gas from Israel and Cyprus to Greece and onward to Europe.
Eavor
Eavor is a Calgary-based geothermal energy company that develops the Eavor-Loop, a closed-loop geothermal system first fed into the public grid in Geretsried, Germany, in December 2025.
EBN (Dutch gas company)
EBN, or Energie Beheer Nederland, is the Netherlands' 100 percent state-owned energy company, participating in oil and gas production, gas storage, CO₂ storage, and geothermal energy.
ECD Ovonics
ECD Ovonics was the trade name of Energy Conversion Devices, an American materials science company founded in Detroit in 1960 by Stanford Ovshinsky, inventor of the Ovonic nickel-metal hydride battery.
Ecobat
Ecobat is a battery recycling and resource recovery company headquartered in Dallas, Texas, that recycles lead-acid batteries and produces lead and lead alloys, and until 2026 also recycled lithium-ion batteries.
Ecobonus
Ecobonus is an Italian income-tax deduction for energy-efficiency upgrades to existing buildings, introduced by the 2007 financial law and covering insulation, windows, heat pumps, and boilers.
Ecodesign Directive
The Ecodesign Directive is a European Union framework law, adopted in 2009, authorizing the Commission to set minimum ecodesign requirements for energy-related products sold in the EU.
Ecodesign for Sustainable Products Regulation
The Ecodesign for Sustainable Products Regulation (ESPR) is a 2024 EU regulation setting binding ecodesign requirements for almost all products on the single market, replacing the 2009 Ecodesign Directive.
Ecofining
Ecofining is a catalytic hydroprocessing technology developed by Eni and Honeywell UOP that converts vegetable oils and animal fats into renewable diesel, first used commercially by Diamond Green Diesel in 2013.
Ecogas México
Ecogas México is a Mexican natural gas distribution utility serving Mexicali, Chihuahua, and La Laguna-Durango. It grew from the first private gas distribution permit, granted in 1996.
Economic dispatch
Economic dispatch is an optimization method in power systems engineering that allocates scheduled generation among online units to minimize total fuel cost while meeting demand and operating limits.
Economizer
An economizer is a heat-recovery device that transfers heat from hot boiler exhaust to incoming feedwater, reducing fuel use, often saving 5 to 10 percent.
Edelap
Edelap (Empresa Distribuidora La Plata S.A.) is an Argentine electric power distribution company created in 1992 from SEGBA's La Plata unit, serving six partidos of Buenos Aires Province.
Edeltech
Edeltech (Hebrew: אדלטק) is a private Israeli energy company founded in 1989 by Joseph Edelsburg, whose natural gas power plants supply about 20% of Israel's electricity.
Eden Yuturi Oil and Gas Field
Eden Yuturi (Campo Edén Yuturi) is an oil field in the Ecuadorian Amazon, operated by the state company EP Petroecuador in Block 12 and producing about 29,000 barrels per day.
EDF Energy
EDF Energy is the United Kingdom business of the French state-owned utility Électricité de France, operating five nuclear power stations and serving about five million customers.
EDF Renewables
EDF Renewables is the international renewable energy subsidiary of the French utility EDF Group, which developed and operated wind, solar, and storage plants, merging into EDF power solutions in June 2025.
Edison (energy company)
Edison S.p.A. is an Italian energy company headquartered in Milan, founded in 1884 and controlled by the French utility EDF since 2012, with leading positions in Italian electricity and gas.
EDISON (EV project)
EDISON was a Danish research project, running from 2009 to 2011, that developed smart-charging and vehicle-to-grid technology for electric vehicles and demonstrated it on the island of Bornholm.
Edison Electric Institute
The Edison Electric Institute (EEI) is the trade association representing all U.S. investor-owned electric companies, whose members serve nearly 250 million Americans. Founded in 1933, it is headquartered in Washington, D.C.
Edison International
Edison International is a California-based holding company whose principal subsidiary, Southern California Edison, serves about 5.28 million electric customers across central, coastal, and southern California.
Edison screw
The Edison screw, also known as the Edison base, is the threaded lamp cap and socket system, introduced by Thomas Edison in 1880, used to secure light bulbs.
Edop Oil and Gas Field
Edop is an offshore oil and gas field in Nigeria's Niger Delta, discovered by Mobil in 1981 and operated by ExxonMobil within OML 67 off Akwa Ibom State.
Edop-Qua Iboe Terminal Oil Pipeline
The Edop-Qua Iboe Terminal Oil Pipeline is a 48-kilometer, 24-inch crude oil pipeline running from the Edop offshore field in the Bight of Biafra to the Qua Iboe Terminal in Akwa Ibom state, Nigeria.
EDP (Portuguese company)
EDP, formally EDP – Energias de Portugal, is a Portuguese electric utility headquartered in Lisbon that generates and supplies electricity, with networks in Portugal, Spain, and Brazil and renewables through EDP Renewables.
EDP Renewables
EDP Renewables (EDPR), formally EDP Renováveis, S.A., is a renewable energy developer headquartered in Madrid and majority owned by Portugal's EDP, with 20.4 GW of installed capacity.
Edson Oil and Gas Field
The Edson Oil and Gas Field is a natural gas field in west-central Alberta, Canada, discovered in the early 1960s around the town of Edson.
Edvard Grieg Oil and Gas Field
Edvard Grieg is an oil and gas field in the central North Sea on the Utsira High, about 180 km west of Stavanger, producing since 2015.
Edward L. Doheny
Edward Laurence Doheny was an American oil prospector and executive who drilled the first commercial oil well in Los Angeles and built the largest oil enterprise in Mexico.
Edwin I. Hatch Nuclear Power Plant
The Edwin I. Hatch Nuclear Power Plant, known as Plant Hatch, is a two-unit nuclear power plant near Baxley, Georgia, and the first nuclear generating station in the state.