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Dua FLNG Terminal
Dua FLNG Terminal is an operating LNG export terminal in Sabah, Malaysia, formed by PFLNG DUA, PETRONAS' second floating LNG unit and the world's first deepwater FLNG facility.
Dua Malaysia LNG Terminal
Dua Malaysia LNG Terminal, also known as MLNG Dua, is an onshore LNG export plant at Bintulu, Sarawak, Malaysia, with three liquefaction trains operating since 1995.
Dual gradient drilling
Dual gradient drilling (DGD) is an offshore technique, part of managed pressure drilling, that maintains two pressure gradients so wellbore pressure matches formation limits better.
Dual-ion battery
A dual-ion battery is a rechargeable battery in which both electrolyte cations and anions intercalate into the electrodes, unlike the rocking-chair mechanism of lithium-ion cells.
Duane Arnold nuclear power plant
The Duane Arnold nuclear power plant is a single-unit boiling water reactor in Palo, Iowa, that operated from 1974 to 2020 and is planned to restart by 2029.
Duane Arnold Solar
Duane Arnold Solar, later renamed Pleasant Creek Solar, is a 200 MW solar farm with 75 MW of battery storage in Linn County, Iowa, completed in 2024.
Dubai Crude
Dubai Crude is a medium sour crude oil produced in Dubai whose Platts price assessment is the main benchmark for pricing Middle East Gulf crude exported to Asia.
Dubai Electricity and Water Authority
Dubai Electricity and Water Authority (DEWA; Arabic: هيئة كهرباء ومياه دبي) is the government-owned utility that is Dubai's exclusive provider of electricity and water, created in 1992.
Duck curve
The duck curve is the graph of a power grid's daily net load after solar generation is subtracted, sagging at midday and climbing steeply in the evening.
Dudgeon Offshore Wind Farm
The Dudgeon Offshore Wind Farm is a 402 MW wind farm in the North Sea off Norfolk, England, opened in 2017 and operated by Equinor.
Dudhichua Coal Mine
Dudhichua Coal Mine, also known as the Dudhichua Opencast Project, is a large mechanized opencast coal mine in the Singrauli coalfield of Madhya Pradesh, India, run by Northern Coalfields Limited.
Duisburg-Walsum power station
Duisburg-Walsum power station (Kraftwerk Duisburg-Walsum) is a hard coal-fired power station in the Walsum district of Duisburg, Germany, operated by STEAG; its 790 MW Unit 10 dates to 2013.
Duke Energy
Duke Energy, formerly Duke Power, is an American energy holding company headquartered in Charlotte, North Carolina, whose regulated utilities serve about 8.7 million electric customers in six states.
Duke Energy Carolinas
Duke Energy Carolinas, a subsidiary of Duke Energy headquartered in Charlotte, North Carolina, is a regulated utility serving about 2.3 million customers in the central and western Carolinas.
Duke Energy Florida
Duke Energy Florida is a regulated electric utility serving roughly 2 million customers in central and west central Florida, with roots as Florida Power Corporation from 1899.
Duke Energy Indiana
Duke Energy Indiana is a regulated electric utility based in Plainfield, Indiana, serving about 860,000 customers across 23,000 square miles and owned by Duke Energy Corporation.
Duke Energy Kentucky
Duke Energy Kentucky, formerly the Union Light, Heat and Power Company, is a regulated utility serving about 152,000 electric and 105,000 gas customers in Northern Kentucky.
Duke Energy Ohio
Duke Energy Ohio is a regulated electric and natural gas utility serving southwestern Ohio, including Cincinnati, formed from Cincinnati Gas & Electric and merged into Duke Energy in 2006.
Duke Energy Progress
Duke Energy Progress is a Duke Energy subsidiary serving about 1.6 million customers in central and eastern North Carolina, Asheville, and parts of South Carolina.
Dukhan field
The Dukhan field is Qatar's first and only onshore oil and gas field, on the western side of the Qatar peninsula about 80 km west of Doha. Discovered in 1939, it is operated by QatarEnergy.
Dukouhe-Qilibei Gas Field
Dukouhe-Qilibei Gas Field is an onshore gas field in the Sichuan Basin, China, operated by PetroChina, holding China's highest hydrogen sulfide content, 17.06%, and commissioned on June 30, 2025.
Dukovany nuclear power plant
The Dukovany nuclear power plant (Jaderná elektrárna Dukovany) is the first nuclear power plant built on Czech territory, near Třebíč. Run by ČEZ, its four reactors supply about 20 percent of Czech electricity.
Dulanga Coal Mine
Dulanga Coal Mine is an opencast coal mine in the Ib Valley Coalfield, Sundergarh district, Odisha, operated by NTPC Limited with a rated capacity of 7.0 million tonnes per year.
Dulces Nombres (Monterrey) power station
The Dulces Nombres (Monterrey) power station (Central de ciclo combinado Dulces Nombres) is a natural gas combined-cycle plant in Pesquería, Nuevo León, Mexico, opened in 2002 as Iberdrola's first Mexican power plant.
Dumsor
Dumsor, also written Dum-Sor or Dum So, is the Ghanaian term from Akan words for "off" and "on" for the country's persistent, erratic power outages and load shedding.
Dunga Oil Field
The Dunga oil field (Дунга) is an onshore oil and gas field in western Kazakhstan about 50 km north of Aktau, discovered in 1966 and producing commercially since 2000.
Dungeness nuclear power plant
Dungeness nuclear power plant is a pair of neighboring power stations on the Kent coast in England, Dungeness A (1965 to 2006) and Dungeness B (1983 to 2018).
Dungeness nuclear power stations
The Dungeness nuclear power stations were two adjacent plants on the Kent coast in England: Magnox station Dungeness A, generating 1965 to 2006, and AGR station Dungeness B until 2021.
Dunhua hydroelectric plant
The Dunhua hydroelectric plant (敦化抽水蓄能电站) is a 1,400 MW pumped storage plant in Dunhua, Jilin, China, with four 350 MW reversible units that was fully commissioned in April 2022.
Dunkelflaute
Dunkelflaute, German for "dark wind lulls", is a period of days with low wind and sun that leaves wind and solar power generating very little electricity.