705 abbreviations
AAQSAmbient Air Quality Standards (environment) (US)
AAUAssigned amount units (measurement)
ABFAquatic Base Flow (Hydropower) (electricity)
ABTAvailability based tariff (electricity)
ACAlternating current
ACAAnnual Charge Adjustment (electricity)
Acc.Accession countries (to the European Union) (government)
ACEArea Control Error (electricity)
ACEEEAmerican Council for an Energy-Efficient Economy
ACRSAccelerated Cost Recovery System (finance)
ADITCAccumulated Deferred Investment Tax Credit (policy)
ADRAsset Depreciation Range (finance)
ADRAlternative dispute resolution
AEPAmerican Electric Power (electricity)
AESOAlberta Electric System Operator
AFEAuthority for Expenditure or Authorization for Expenditure
AFUDCallowance for funds used during construction
AFUEannual fuel utilization efficiency
AFVAlternative fuel vehicle
AGAAmerican Gas Association
AGCAutomatic generation control
AGDAssociated Gas Distributors (US)
AIMAAgricultural Impact Mitigation Agreement (US)
AMBOArmenia, Macedonia, Bulgaria Oil pipeline
AMIAdvanced metering infrastructure
AMRAutomated meter reading also known as Automatic Meter Reading
AMRAAutomatic Meter Reading Association
ANGTAAlaskan Natural Gas Transportation Act of 1977 to build the Alaska gas pipeline
ANGTSAlaskan Natural Gas Transportation System
AOSAuthorized Overrun Service
APAAdministrative Procedure Act
APAAlaska Power Administration
APEArea of potential effect (electricity)
APIAmerican Petroleum Institute (oil)
APPAAmerican Public Power Association (electricity)
APRActual peak reduction (e.g. in demand response systems) (electricity)
AQCRAir Quality Control Region (US) (environment)
ARA(in shipping) ports of Amsterdam – Rotterdam – Antwerp (oil)
ASCCAlaskan System Coordination Council
ASEAlliance to Save Energy
ATCAvailable transfer capability
AVRAutomatic Voltage Regulator (electricity)
BABalancing Authority
BABiological Assessment
BACTBest Available Control Technology
BBLbarrel (42 gallons)
BBLBalgzand Bacton Line (BBL Pipeline)
BBL/DBarrel per day
BBL/SDBarrel per day, on stream days
BCDBarrel per day, on calendar days