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Codensa
Codensa was a Colombian electricity distribution company headquartered in Bogotá, founded in 1997 and serving the capital and neighboring municipalities until its 2022 merger into Emgesa, renamed Enel Colombia.
Cofiring biomass in coal plants
Cofiring biomass in coal plants means burning biomass with coal in existing coal-fired power plants, replacing part of the fossil fuel and reducing net CO2 emissions.
Cofrentes nuclear power plant
The Cofrentes nuclear power plant (Central Nuclear de Cofrentes) is a boiling water reactor in Valencia, Spain, wholly owned by Iberdrola and scheduled to close in 2030.
Cogeneration
Cogeneration, also called combined heat and power (CHP), is the concurrent production of electricity and useful heat from one fuel source, achieving efficiencies of 60 to 80 percent.
Cogentrix
Cogentrix is an American independent power producer founded in Charlotte, North Carolina, in 1983, which develops and manages fossil and renewable generating plants, including 10 natural gas facilities totaling about 5,500 MW.
Coiled tubing
Coiled tubing is a continuous, jointless steel pipe spooled on a reel and pushed into live oil or gas wells by an injector head for intervention without a workover rig.
Coiron Oil and Gas Field
Coiron Oil and Gas Field, also written El Coirón, is an operating conventional oil and gas field in Chubut Province, Argentina, operated by Pan American Energy.
Coke (fuel)
Coke, also called coal coke, is a hard, porous solid fuel made by heating bituminous coal without air, used mainly to smelt iron ore in blast furnaces.
Coke Dry Quenching
Coke dry quenching (CDQ) is a process that cools red-hot coke from around 1,000 °C with circulating inert gas instead of water, recovering the heat as steam for power generation.
Colbert Fossil Plant
Colbert Fossil Plant was a coal-fired power station operated by the Tennessee Valley Authority on the Pickwick Reservoir in Colbert County, Alabama, from 1955 to 2016.
Colbún
Colbún S.A. is a Chilean electric power generation and trading company headquartered in Santiago, operating 29 plants with more than 5,000 MW of installed capacity in Chile and Peru.
Cold Lake oil sands operation
The Cold Lake oil sands operation is an in-situ bitumen recovery complex in northeastern Alberta, Canada, owned and operated by Imperial Oil since commercial production began in 1985.
Cold Lake Pipeline
The Cold Lake pipeline is an Inter Pipeline system carrying diluted bitumen from Alberta's Cold Lake oil sands region to terminalling hubs at Edmonton and Hardisty.
Cold load pickup
Cold load pickup is the abnormally high demand that appears when electrical loads are re-energized after an outage, reaching several times normal levels and tripping protective relays.
Colloidal quantum dot photovoltaic film
A colloidal quantum dot photovoltaic film is a thin solar-cell layer of solution-made lead sulfide quantum dots that absorbs near-infrared light, with certified efficiencies over 18%.
Colonial Gas Company
Colonial Gas Company, originally Lowell Gas Company, is a Massachusetts natural gas utility founded in 1849, serving about 210,000 customers northwest of Boston and on Cape Cod.
Colonial Pipeline
Colonial Pipeline is the largest refined petroleum products pipeline in the United States, a 5,500-mile system carrying about 45 percent of the fuel consumed on the East Coast.
Colorado Bend II power station
Colorado Bend II power station is a natural gas-fired combined-cycle power plant near Wharton, Texas, with three units totaling about 1,230 MW, online since 2017.
Colorado Interstate Gas
Colorado Interstate Gas (CIG) is a Kinder Morgan interstate natural gas pipeline system, about 4,300 miles long, delivering Rocky Mountain and Anadarko Basin gas to customers in Colorado and Wyoming.
Colstrip Steam Plant
The Colstrip Steam Plant, formally the Colstrip Steam Electric Station, is a four-unit coal-fired power station in Colstrip, Montana, and the largest power generator in the state.
Columbia Energy Center
Columbia Energy Center is a two-unit, 1,112 MW coal-fired power station south of Portage, Wisconsin, online since 1975 and 1978, jointly owned by Alliant Energy, Madison Gas and Electric, and Wisconsin Public Service.
Columbia Gas Transmission
Columbia Gas Transmission is an interstate natural gas pipeline and storage system in the eastern United States, founded in 1906 and owned by TC Energy since 2016.
Columbia Generating Station
Columbia Generating Station is a nuclear power plant near Richland, Washington, operated by Energy Northwest, the Pacific Northwest's only commercial nuclear facility and Washington's third largest electricity generator.
Columbus oil field
Columbus is a gas condensate field in the UK Central North Sea, about 230 km east of Aberdeen, discovered in 2006 and operated by Serica Energy since.
Colville River Oil and Gas Field
The Colville River oil and gas field is a ConocoPhillips unit on the western Alaska North Slope whose core asset, the Alpine Field, began producing oil in 2000.
Comanche Peak nuclear power plant
The Comanche Peak nuclear power plant is a two-unit nuclear power station in Glen Rose, Texas, about 40 miles southwest of Fort Worth, generating about 2,400 megawatts.
Comanche power station
The Comanche power station, also called Comanche Generating Station, is a coal-fired power plant in Pueblo, Colorado, owned and operated by Xcel Energy and the largest such plant in the state.
Combabula Gas Field
The Combabula Gas Field is an operating coal seam gas field in Queensland's Surat Basin, operated by Australia Pacific LNG, one of its four main producing field areas.
Combined Charging System
The Combined Charging System (CCS) is an open, internationally standardized charging system for electric vehicles that combines AC and DC charging at one inlet, introduced in 2012 and dominant in Europe.
Combined cycle
A combined cycle power plant runs a gas turbine and a steam turbine in series, converting far more fuel energy into electricity than a simple-cycle turbine.