DOCUMENT
Glossary of Terms
718 definitions by U.S. Department of Agriculture

AbsorptanceAccess ChargeActive Solar EnergyActive Solar Energy SystemAdditionAdjusted Coefficient of Performance (ACOP)Adjustment BidAdverse HydroAfter-MarketAggregatorAir ChangeAir ConditionerAir FilmAir Film CoefficientAir PollutionAir-To-Air Heat ExchangerAlcohol FuelsAlterationAlternating Current (AC)Alternative Fuel Vehicle (AFV)Alternative (Transportation) FuelsAmbientAmbient Air TemperatureAmerican National Standards Institute (ANSI)Ampere (Amp)Ancillary ServicesAncillary ServicesAngle of IncidenceAnimal Waste ConversionAnnual Fuel Utilization Efficiency (AFUE)Annual Maximum DemandAnthraciteAppliance Efficiency StandardsAppliance SaturationApplicantApplicationArea LoadAshAssociated GasAtgasAtomAtomic Energy CommissionAtomic NucleusAuxiliary Energy SubsystemAuxiliary EquipmentAverage CostAverage DemandAverage HydroAvoided CostAvoided Cost (Regulatory)AzimuthBalanced ScheduleBallastBarrelBarrels Per Day Equivalent (BPDEquivalent)Baseline ForecastBase LoadBase Load UnitBase RateBatteryBenzeneBi-Fuel VehicleBi-GasBilateral ContractBioconversionBiodieselBiofuelsBiogasBiomassBiosphereBituminous CoalBlackoutBoilerBoiling Water Reactor (BWR)Bottled GasBottoming CycleBreederBritish Thermal Unit (BTU)BrokerBrownoutBuilding EnvelopeBulk Power SupplyBunker C Fuel OilBurbank, Glendale and Pasadena (BGP)BusbarButaneBuyerBuy ThroughCall-BackCalorieCalorie (Energy Calorie small "c" as Opposed to Food Calorie capital "C")CapacityCapacity FactorCapacity ReleaseCaptive CustomerCarbon DioxideCarbon Monoxide (CO)CarcinogensCatalytic CrackingCaulkingCelsiusCertificationChemical EnergyChillerChlorofluorocarbons or Chlorinated Fluorocarbons (CFCs)CircuitClean Fuel VehicleClerestoryClimate ZoneClunkersCoalCoal ConversionCoal OilCoal SeamCoal Slurry PipelineCoefficient of Performance (COP)CogenerationCogeneratorCokeCoke Oven GasCombined Cycle PlantCombined Hydronic Space/ Water HeatingCombustion BurningComfort ConditioningComfort ZoneCommercializationCompetitive Transmission ChargeCompressed Natural Gas (CNG)CondensateCondenserConditioned Floor AreaConditioned SpaceConductanceConductionConductivity (k)CongestionCongestion ManagementConservationContinental ShelfContingency PlanningContract PathContracts for Differences (CFD)Control AreaConvectionConvectionConvectionConventional GasConversionConversion Fuel FactorConverted VehicleConverterCooling Degree DayCooling LoadCooling Load Temperature Difference (CLTD)Cooling TowerCo-OpCooperative (Electric Utility)CordCorporate Average Fuel Economy (CAFÉ)Crude OilCrude Oil StocksCubic Feet Per Minute (CFM)Cubic FootDay-Ahead MarketDay-Ahead ScheduleDaylightingDaylighting ControlDeep MiningDegree DayDeltaDemandDemand BidDemand BillingDemand ChargeDemand Side Management (DSM)Demand Site ManagementDemand (Utility)DemonstrationDensityDepartment of Energy (US DOE)Dependable CapacityDepletable Energy SourcesDeregulationDerivativesDiesel OilDiffuse RadiationDirect AccessDirect Current (DC)Direct Energy ConversionDirect ExpansionDirectly Conditioned SpaceDirect RadiationDirect Solar GainDisaggregationDispatchDissolved GasDistributed GenerationDistributionDistribution System (Electric Utility)Distribution Utility (Disco)DivestitureDoseDouble GlazingDownstreamDry Bulb TemperatureDry HoleDry SteamDual-Duct SystemDual-Fuel or Bi Fuel VehicleDual-Paned (Double-Glazed)DuctDumpEcologyEconomic EfficiencyEconomies of SaleEconomizer AirEconomizer WaterEconomy Energy (Electricity Utility)EcosystemEdison Electric Institute (EEI)Edison, Thomas AlvaEfficiencyEfficiency Service Company (ESCO)ElconElectric GeneratorElectricityElectric Radiant HeatingElectric Resistance HeaterElectric UtilityElectric Vehicle (EV)ElectrolysisElectromagnetic Fields (EMF)ElementElevationEmbedded Costs Exceeding Market Prices (ECEMP)Emergency Core Cooling System (ECCS)Emission StandardEmissivityEmittanceEnergyEnergy BudgetEnergy ChargeEnergy ConsumptionEnergy EfficiencyEnergy Efficiency Ratio (EER)Energy/ Fuel DiversityEnergy Management SystemEnergy ReservesEnergy ResourcesEnergy Security/ Fuel SecurityEnthalpyEntitlementEnvironmental Protection Agency (EPA)Ethanol (AKA Ethyl Alcohol or Grain Alcohol, CH3CH2OH)EthyleneEthyl Tertiary Butyl Ether (ETBE)Evaporative CoolingExchange (Electric Utility)Exempt Wholesale Generator (EWG)ExfiltrationExhaustExports (Electric Utility)Extra High Voltage (EHV)FahrenheitFan CoilFederal Emergency Management Agency (FEMA)Federal Energy Regulatory Commission (FERC)FeedstockFenestrationFirm EnergyFirst-Generation BiofuelsFissionFissionable MaterialFlare GasFlat PlateFlexible Fuel Vehicle (FFV)Flue GasFluidized Bed CombustionFluorescent LampFluorocarbon GasesFootcandleForced Air Unit (FAU)Fossil FuelFractional DistillationFraming EffectsFraming PercentageFrequencyFuelFuel CellFuel GasFuel OilFuel Reprocessing (Nuclear)Fuel Rod (Nuclear)Fusion EnergyGallonGasGasificationGasoholGasolineGas SynthesisGas UtilityGeneral LightingGenerating StationGeneration company (GENCO)Generation Dispatch and ControlGeothermal EnergyGeothermal GradientGeothermal SteamGigawatt (GW)Gigawatt Hour (GWh)GlazingGreenhouse EffectGreenhouse Effect (Relating to Buildings)GridGridGross AreaGross National Product (GNP)H-Coal ProcessHeat BalanceHeat CapacityHeat EngineHeat GainHeating Degree DayHeating LoadHeating ValueHeating Ventilation and Air Conditioning (HVAC)Heat LossHeat PumpHeat RateHeat StormHeat TransferHeavy WaterHedging ContractsHeliochemicalHeliothermalHertzHigh-Sulfur CoalHorsepower (hp)Hot (Colloquial)Hot Dry RockHybrid VehicleHydroelectric PowerHydroelectric Spill GenerationHydronic HeatingHydrothermal SystemsHygasImbalance EnergyImports (Electric Utility)ImpoundmentIncandescent LampIndependent Power ProducerIndependent Power Producer (IPP)Independent System Operator (ISO)Indigenous Energy ResourcesIndirectly Conditioned SpaceInfiltrationInfiltration BarrierInfrastructureInherently Low Emission Vehicle (ILEV)Injection (Petroleum)In-Situ CombustionIn-Situ GasificationInsolationIntegrated Resource Planning (IRP)Integrated Resource Planning PrinciplesIntegrated Services Digital Network (ISDN)Interchange (Electric Utility)Interconnection (Electric Utility)Internal Combustion EngineInterruptible Service (Electric Utility)IntertieInvestor Owned Utility (IOU)IonJouleKbtuKeroseneKilovolt (kv)Kilowatt-Hour (kWh)Kilowatt (kW)Landfill GasLaserLatent Cooling CapacityLatent HeatLatent LoadLatitudeLayoff (Electric Utility)Lay UpLeaded GasolineLife-Cycle CostLife ExtensionLifeline RatesLighting EfficacyLight Water Reactor (LWR)LigniteLiquefactionLiquefied GasesLiquefied Natural Gas (LNG)Liquefied Petroleum Gas (LPG)Liquid BrineLoadLoadLoad CentersLoad DiversityLoad FactorLoad ManagementLoop FlowLosses (Electric Utility)Low-ELow Emission Vehicle (LEV)Low-Sulfur CoalLow-Sulfur OilLumenLumen Maintenance ControlLumens/WattLuminaireLuxM100M85MagmaMagneto Hydro Dynamics (MHD)Major MarketerMajor Natural Gas ProducerMajor Oil ProducerManufactured GasMarginal CostMarginal CostMarket-Based PriceMarket Clearing PriceMarketerMarket ParticipantMarsh GasMaster FilemcfMegawatt Hour (MWh)Megawatt (MV)MeterMethaneMethane (CH4)Methanol (AKA Methyl Alcohol, Wood Alcohol, CH3OH)Methyl Tertiary Butyl Ether (MTBE)Methyl Tertiary-Butyl Ether (MTBE)MicrowaveMilMinimum GenerationMonopolyMonopsonyMunicipal Electric UtilityMunicipalizationMunicipal Solid WasteMunicipal UtilityNatural GasNatural GasolineNatural Gas VehicleNatural MonopolyNeutronNewtonNnatural Gas Vehicle (NGV)Non-Depletable Energy ResourcesNon-Firm EnergyNonresidential BuildingNonutility Generator (NUG)Northwest Regional Transmission Association (NRTA)Notice Of Proposed Rulemaking (NOPR)NOxNuclear EnergyNuclear Regulatory Commission (NRC)Obligation to ServeOccupancy SensorOcean Thermal Gradient (OTG)OctaneOctane RatingOff­RoadOhmOil ShaleOligopolyOptionsOrganization of Arab Petroleum Exporting Countries (OAPEC)Organization of Petroleum Exporting Countries (OPEC)OrientationOriginal Equipment Manufacturer (OEM)Outage (Electric Utility)Outer Continental Shelf (OCS)Outside AirOver GenerationOverhangOxygenateOzoneParallel Path FlowPartial LoadParticulate Matter (PM)Parts Per Million (PPM)Passive Solar EnergyPassive Solar SystemPeakerPeaking UnitPeak LoadPeak Load or Peak DemandPeak Load Power PlantPeatPerformance-Based Regulation (PBR)PermPetrochemicalsPetrodollarsPetroleumPetroleum Administration for Defense Districts (PADD)PhotocellPhotosynthesisPhotovoltaic CellPipelinePolychloronated Biphenyls (PCBs)PoolcoPortfolio ManagementPowerPower AuthoritiesPower PlantPower PoolPower PoolPreferred Day-Ahead SchedulePreferred Hour-Ahead SchedulePreferred SchedulePressurized Water Reactor (PWR)Primary FuelProgrammable ControllerPropaneProvider of Last ResortPublic AdviserPublic Interest GoalsPumped Hydroelectric StoragePurpaPx GenerationPx LoadPx ParticipantQuadQualifying FacilityQualifying FacilityQualifying Facility (QF)RadRadiant BarrierRadiant EnergyRadiationRankine CycleRate-BasingReactorReal-Time MarketReal-Time PricingReclaimed OilRecovered EnergyRecovery EfficiencyRefinerRefineryReformulated Gasoline (RFG)RefrigerantRefuse Derived Fuel (RDF)Regional Transmission Group (RTG)RegulationRegulatory Must-Run GenerationRegulatory Must-Take GenerationReheatReid Vapor Pressure (RVP)ReliabilityReliability Must-Run GenerationRenewable EnergyRenewable ResourcesReregulationResearch and Development (R&D)ReserveReserve Generating CapacityReserve MarginResidential BuildingResidueResistance (Electrical)Resistance (Thermal)Resource EfficiencyRestructuringRetail CompetitionRetail MarketRetortingRetrofitRules of ConductRural Electric CooperativeR-ValueSae Viscosity NumberSeasonal Efficiency (SE)Seasonal Energy Efficiency Ratio (SEER)Second Generation BiofuelsSecuritizeSelf-GenerationSelf-Service WheelingSensible Cooling CapacitySensible HeatService AreaService AreaSetback ThermostatSet PointSettlementShade ScreenShadingShading CoefficientSide FinsSite EnergySkylightSky TemperatureSmogSolar CellSolar CollectorSolar CollectorSolar EnergySolar Energy Research Institute (SERI)Solar Heat GainSolar Heat Gain FactorSolar Heating and Hot Water SystemsSolar IrradiationSolar PowerSolar RadiationSolar Satellite PowerSolar ThermalSolar Thermal Power PlantSource EnergySpecial ContractsSpecific HeatSplit-The-SavingsStandby LossSteady State EfficiencySteam Electric PlantStirling EngineStorage Type Water HeaterStranded BenefitsStrategic Petroleum ReserveSubstationSunk CostSuperconductorSupertandkerSupply BidSupply-SideSurplusSustained Orderly DevelopmentSyncrudeSynfuelSyngasSystemSystem Integration (of New Technologies)Take-Out-PointTakingTariffTar SandsTax CreditsTemperatureTertiary Amyl Methyl Ether (TAME)The Energy Policy Act (EPAct)The Environmental Protection Agency (EPA)The National Association of Regulatory Utility Commissioners (NARUC)The National Association of Utility Consumer Advocates (NASUCA)The National Conference of State Legislatures (NCSL)The Public Utility Holding Company Act (PUHCA)ThermThermal Break (Thermal Barrier)Thermal (Energy) StorageThermal InsulationThermally Enhanced Oil Recovery (TEOR)Thermal MassThermal Power PlantThermodynamicsThermostatTidal PowerTime-Of-Use MeterTime-Of-Use RatesTime-Of-Use (TOU) RatesTon of CoolingTotal Cooling CapacityTrading DayTransfer (Electric Utility)TransformerTransmissionTransmission-Dependent UtilityTransmission OwnerTransmittanceTransmitting Utility (TRANSCO)Turbine GeneratorUAUltrahigh Voltage TransmissionUnbundlingUnconditioned SpaceUniversal ServiceUnleaded GasolineUpgrade (Electric Utility)Uprate (Electric Utility)UpstreamUraniumUranium EnrichmentUtilityUtility Distribution Company (UDC)U Value or UVapor BarrierVariable Air Volume System (VAV System)VentilationVertical IntegrationVisible Light TransmittanceVoltVoltage of a Circuit (Electric Utility)Volumetric Wires ChargeWarrantyWater HeaterWattWatt-HourWeatherstrippingWestern Regional Transmission Association (WRTA)Western Systems Power Pool (WSSP)Wet-Bulb TemperatureWheelingWheelingWhole House FanWholesale CompetitionWholesale Power MarketWholesale Transmission ServicesWires ChargeXenonX-RayXyloid Coal
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Date
2016-06-05
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