C
- C&I—Commercial and industrial customers (Electricity transmission)
- CA—Carbon Abatement- increasing carbon neutrality
- —Control area (EU) – The portion of the generation and transmission system controlled by a single transmission system operator. (See also TSO).
- CAA—Clean Air Act (US)
- CAEM—Center for the Advancement of Energy Markets (US)
- CAFE—Corporate Average Fuel Economy standards (US)
- CAISO—California Independent System Operator Corporation, a Regional Transmission Organization. (US)
- CAP—Capacity market programs
- CAPM—Capital asset pricing model
- CARB—California Air Resources Board
- CBL—Customer Baseline Load
- CBM—Capacity Benefit Margin
- CBOB—Conventional Gasoline Blendstock for Oxygenate Blending (Motor Gasoline Blending Component)
- CC—Combined cycle see also CCPP and CCGT
- CC—Combined cycle Gas turbine electricity generator
- CCIP—Centre for Critical Infrastructure Protection (New Zealand)
- CCLIP—Conditional Credit Line for Investment Projects
- CCPG—Colorado Coordinated Planning Group
- CCPP—Combined cycle power plant
- CD—Contract Demand
- CDD—Cooling degree day, a qualitative index used to reflect the demand for energy to cool a business
- CDM—Clean Development Mechanism
- CEA—Country Environmental Analysis
- CEC—California Energy Commission
- —Commission for Environmental Cooperation
- —Council of the European Communities
- CEEC—Central and Eastern European Countries
- CEP—Country Environmental Profile
- —Clean Energy Partnership, a joint hydrogen-project in Europe.
- CEPS—Centre for European Policy Studies
- CEPII—Centre d'Etudes Prospectives et d'Informations Internationales Economics think tank
- CEQ—Council on Environmental Quality
- CER—Certified Emission Reduction
- CERA—Cambridge Energy Research Associates
- CERCLA—Comprehensive Environmental Response, Compensation, and Liability Act "Superfund" (US)
- CERCLIS—Comprehensive Environmental Response, Compensation, and Liability Information System (US)
- CERTS—Consortium for Electric Reliability Technology Solutions sposored by the United States Department of Energy and California Energy Commission (US)
- CfD—Contract for difference
- CFS—cubic feet per second
- CFTC—Commodity Futures Trading Commission
- CH4—Methane
- CHP—Combined heat and power
- CIAC—Contributions in Aid of Construction
- CIP—Critical Infrastructure Protection (US)
- —see also EPCIP European Programme for Critical Infrastructure Protection
- CCIP—Centre for Critical Infrastructure Protection (New Zealand)
- CMVE—Competitive Market Value Estimate
- CNG—Compressed natural gas
- CO—Carbon monoxide
- CO2—Carbon dioxide
- COC—Cost of capital
- COE—U.S. Army Corps of Engineers
- CP—Coincident Peak
- —Certificate Proceeding
- CPA—California Power Authority
- CPI—Consumer Price Index
- CPP—Critical Peak Pricing
- CPP-F—Critical peak fixed
- CPP-F—Critical peak variable
- CPS—Control Performance Standard
- —Cycles per second (hertz)
- CPUC—California Public Utilities Commission
- CREF—Caribbean Renewable Energy Facility
- CRP—Conservation Reserve Program (US)
- CRT—Capacity Reservation Tariff
- CSD—Commission for Sustainable Development (UN)
- CSEM—Center for the Study of Energy Markets (US)
- CSP—Country Strategy Paper
- —Curtailment service provider
- CT—Combustion turbine (electricity)
- CZMA—Coastal Zone Management Act
Read more about this topic: List Of Energy Abbreviations