List of energy abbreviations

This is a list of acronyms found in the context of energy issues.

A AAQS—Ambient Air Quality Standards (environment) (US) AAU—assigned amount units (measurement) ABT—availability-based tariff (electricity) ABF—Aquatic base flow (hydropower) (electricity) AC—alternating current ACA—Annual charge adjustment (electricity) ACE—Area control error (electricity) ACEEE—American Council for an Energy-Efficient Economy ACRS—Accelerated Cost Recovery System (finance) ADITC—Accumulated Deferred Investment Tax Credit (policy) ADR—asset depreciation range (finance) AEP—American Electric Power (electricity) AESO—Alberta Electric System Operator AFE—Authority for Expenditure or Authorization for Expenditure AFUDC—allowance for funds used during construction AFV—alternative fuel vehicle AGA—American Gas Association AGC—automatic generation control AGD—Associated Gas Distributors (US) AI—Artificial Intelligence AIEE—American Institute of Electrical Engineers AIMA—Agricultural Impact Mitigation Agreement (US) ALARP—as low as reasonably practicable ALJ—administrative law judge AMBO—Armenia, Macedonia, Bulgaria Oil pipeline AMI—advanced metering infrastructure AMR—automated meter reading also known as automatic meter reading AMRA—Automatic Meter Reading Association ANGTA—Alaskan Natural Gas Transportation Act of 1977 to build the Alaska gas pipeline ANGTS—Alaskan Natural Gas Transportation System ANSI—American National Standards Institute AOB—Any Other Business AOS—authorized overrun service AP—action point APA—Administrative Procedure Act —Alaska Power Administration APE—area of potential effect (electricity) API—American Petroleum Institute (oil) APPA—American Public Power Association (electricity) APR—actual peak reduction (e.g. in demand response systems) (electricity) AQCR—Air Quality Control Region (US) (environment) AR—Activity Request ARA—(in shipping) ports of Amsterdam – Rotterdam – Antwerp (oil) ARR—auction revenue rights (electricity) ASCC—Alaskan System Coordination Council ASE—Alliance to Save Energy ASTM—American Society for Testing and Materials ATC—available transfer capability AVR—automatic voltage regulator (electricity)

B BA—balancing authority BA—biological assessment BACT—Best Available Control Technology BBL/D—Barrel per day BBL/SD—Barrel per day, on stream days BBL—barrel (42 gallons) —Balgzand Bacton Line (BBL Pipeline) BCD—Barrel per day, on calendar days BCF—billion cubic feet BCP—Blackstart Capability Plan BES—Bulk electric system (Electricity transmission) BESS—Battery Energy Storage System BfP—Bureau Fédéral du Plan (Belgium). (Has responsibilities over economic, social and environmental policy bhp—Brake horsepower BIA—Bureau of Indian Affairs (US) BIPS—Bulk Independent Power System BIPV—Building Integrated Photo Voltaic bl—Barrel BLM—Bureau of Land Management of United States Department of the Interior BLS—Bureau of Labor Statistics of United States Department of Labor BOE—Barrel of oil equivalent (international) BPA—Bonneville Power Administration (US) BPCS—Basic Process Control System BPL—Broadband over power line BPS—Bulk Power System (Electricity transmission) BTMG—Behind The Meter Generation BTU—British thermal unit(s) BTU—Board of Trade unit (1 kWh) (UK historical) BTX—from BTX process, a mixture of benzene, toluene, and xylene (oil) BuRec—United States Bureau of Reclamation (government) BWR—Boiling water reactor (nuclear)

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) CAES—Compressed Air Energy Storage CAFE—Corporate Average Fuel Economy standards (US) CAISO—California Independent System Operator Corporation, a regional transmission organization. (US) CAM—Compact Auxiliary Module CAP—Capacity market programs —Climate Action Plan 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 CCB—Change Control Board CCF—Common Cause Failure CCGT—Combined cycle gas turbine electricity generator CCLIP—Conditional Credit Line for Investment Projects CCN—Certificate of Convenience and Necessity (utilities regulation) 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 CDR—Carbon dioxide removal CEA—Country Environmental Analysis CEC—California Energy Commission —Commission for Environmental Cooperation —Council of the European Communities CEEC—Central and Eastern European Countries CEMS—Continuous emissions monitoring system 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 sponsored 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 CGR—Charge Gas Recirculation, Compact Gas Ramp (like FGSU) CH4—Methane CHP—Combined heat and power CI—Configuration Item CIAC—Contributions in Aid of Construction CIP—Critical Infrastructure Protection (US) —see also EPCIP European Programme for Critical Infrastructure Protection 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 COTS—Commercial Off-The-Shelf 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 CR—Change Request 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) CW—Cooling Water CZMA—Coastal Zone Management Act

D DADRP—Day Ahead Demand Response Program DADS—Demand response Availability Data System DANIDA—Danish International Development Agency DA-RTP—RTP Day ahead real time pricing (regarding Electricity metering) DC—Direct current DCLM—Direct control load management DCS—Disturbance Control Standard DD—Dangerous Detected DEFG—Distributed Energy Financial Group (US) DEIS—Draft Environmental Impact Statement (US) DER—Distributed Energy Resources DERMS—Distributed Energy Resource Management Systems DF—Distribution Factor, Dual-Fuel DG—Distributed generation (electricity) —Directorate-General (EU) (government) DIIS—Danish Institute for International Studies (organization) DLC—Direct load control (regarding Load management) DME—Disturbance Monitoring Equipment DO—Dissolved oxygen DoD—Depth of discharge, energy drawn from a battery DOE—United States Department of Energy (government) DOE/FE—United States Department of Energy Office of Fossil Energy (government) DOI—United States Department of the Interior (government) DOT—United States Department of Transportation (government) DP—Distribution point DPI—Differential Pressure Indicator DR—Demand response DRAM—Demand Response and Advanced Metering Coalition DRB—Demonstrated reserve base DRCC—Demand Response Coordinating Council (coalition) DRR—Demand Response resources DRRC—Demand Response Research Center (California) DSM—Demand side management DSO—Distribution system operator (regarding electricity distribution) Dth—Dekatherm (defined as British thermal units, also written "MMBtu") (measurement) DTW—dealer tank wagon (as in, "oil companies setting regional dealer tank wagon pricing") (Oil) DU—Dangerous Undetected

E E&D—Exploration and development expenses E/E/PE—Electrical/Electronic/Programmable Electronic E85—E85 fuel: A fuel containing a mixture of 85 percent ethanol and 15 percent gasoline E95—like E85 fuel but with less gasoline. A fuel containing a mixture of 95 percent ethanol and 5 percent gasoline EA—Environmental assessment as in an Environmental impact assessment EAR—Estimated additional resources, as in considering reserves of uranium deposits EC—European Commission ECAR—East Central Area Reliability Coordination Agreement (US) EPCIP—European Programme for Critical Infrastructure Protection ECPA—Electric Consumers Protection Act (US) EDC—Electric Distribution Company (electricity) EdF—Electricité de France EDRP—Emergency demand response program EE—Energy efficiency EEI—Edison Electric Institute —Energy Efficiency Index for European Union energy labels EEQ—Engineered Equipment EERS—Energy Efficiency Resource Standards EF—Earth Fault EGHE—Exhaust Gas Heat Exchanger EHV—Extra high voltage EIA—Energy Information Administration (US) —Environmental impact assessment (international) EIB—European Investment Bank EIM—Energy Imbalance Market (electricity) EIPP—Eastern Interconnection Phasor Project EIS—Environmental Impact Statement (US) ELCON—Electricity Consumers Resources Council EMF—Electro magnetic field EMP—Environmental Management Plan EOR—Enhanced oil recovery EPA—United States Environmental Protection Agency EPAct—Energy Policy Act of 1992 (US) —Energy Policy Act of 2005 (US) EPC—Engineering, Procurement and Construction EPRI—Electric Power Research Institute (US) EPSA—Electric Power Supply Association EQR—Electric Quarterly Report ERA—Economic Regulatory Administration (part of United States Department of Energy ERCOT—Electric Reliability Council of Texas, Inc, a regional transmission organization. (US) ERGEG—European Regulators Group for Electricity and Gas ERIS—Energy Resource Interconnection Service (electricity) ERO—Electric Reliability Organization. The US designated NERC as its ERO. ERoEI—Energy returned on energy invested ERRA—Energy Regulators Regional Association ESCO—Energy service company ESI—Environmental Sustainability Index ESMAP—Energy Sector Management Assistance Programme ESM—Engine Safety Module ESP—Electrostatic precipitator ESS—Energy Storage System, as in grid energy storage (electricity) ETBE—ethyl tertiary butyl ether ETSO—European Transmission System Operators association EU—European Union EUC—Equipment Under Control EUEF—European Union Energy Facility EUEI—European Union Energy Initiative

F FAC—Fuel Adjustment Clause FACTS—Flexible Alternating Current Transmission System FASB—Financial Accounting Standards Board FAT—Factory Acceptance Testing FBD—Function(al) Block Diagram FBR—fast breeder reactor FCITC—First Contingency Incremental Transfer Capability FE—Final Element FEIS—Final Environmental impact statement (US) FELCC—Firm Energy Load Carrying Capability FERA—Fire and Explosion Risk Assessment FERC—Federal Energy Regulatory Commission (U.S.) FG—Fuel Gas FGD—Flue-gas desulfurization FGSU—Fuel Gas Supply Unit (like CGR) FINESSE—Financing Energy Services for Small Scale Users Fishway—Fish ladder FLD—Functional Logic Diagram FLPMA—Federal Land Policy and Management Act (US) FME—Free market economics FMEA—Failure Modes and Effects Analysis FONSI—Finding of no significant impact. See Environmental impact statement (US)