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)
• AIEE—American Institute of Electrical Engineers
• AIMA—Agricultural Impact Mitigation Agreement (US)
• 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
• AOS—Authorized Overrun Service
• 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)
• 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)
• BfP—Bureau Fédéral du Plan (Belgium). (Has responsibilities over economic, social and environmental policy
• bhp—Brake horsepower
• BIA—Bureau of Indian Affairs (US)
• 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)
• BPL—Broadband over power line
• BPS—Bulk Power System (Electricity transmission)
• BTMG—Behind The Meter Generation
• BTU—British thermal unit(s)
• 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)
• 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
• 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
• 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
• 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
• 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

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
• 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
• 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
• 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 1 million British thermal units, also written "MMBtu") (measurement)
• DTW—dealer tank wagon (as in, "oil companies setting regional dealer tank wagon pricing") (Oil)

E

• E&D—Exploration and development expenses
• 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
• EERS—Energy Efficiency Resource Standards
• EF—Earth Fault
• 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)
• 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
• 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
• 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
• FBR—fast breeder reactor
• FCITC—First Contingency Incremental Transfer Capability
• FEIS—Final Environmental impact statement (US)
• FELCC—Firm Energy Load Carrying Capability
• FERC—Federal Energy Regulatory Commission (U.S.)
• FGD—Flue-gas desulfurization
• FINESSE—Financing Energy Services for Small Scale Users
• Fishway—Fish ladder
• FLPMA—Federal Land Policy and Management Act (US)
• FME—Free market economics
• FONSI—Finding of no significant impact. See Environmental impact statement (US)
• FPA—Federal Power Act (US)
• FPC—Federal Power Commission (US)
• FPS—Firm peaking service. See Peaking power plant
• FRCC—Florida Reliability Coordinating Council (US)
• FRS—Financial Reporting System
• FT—Firm Transportation Service
• FTC—Federal Trade Commission (US)
• FTR—Firm Transmission Rights
  • —Financial Transmission Rights. See explanation in electricity markets.
• FTS—Firm transportation service
• FUA—The Fuel Use Act (US)
• FUCO—Foreign Utility Company
• FWPA—Federal Water Power Act (US)

G

• G&T—Generation and transmission utility cooperative (electricity)
• GADS—Generating Availability Data System (electricity)
• GAL—gallon (measurement)
• GAO—Government Accountability Office (General Accounting Office) (US) (government)
• GATT—General Agreement on Tariffs and Trade (government)
• GDP—gross domestic product (economics)
• GEF—Global Environmental Facility (environment)
• Genco—Any company doing electricity generation (US) (electricity)
• GFN—Global Footprint Network
• GFSE—Global Forum on Sustainable Energy (organization)
• GIC—Gross Inland (energy) Consumption (EU) (energy)
• GHG—Greenhouse gas (climate)
• GIA—Generator Interconnection Agreement (electricity)
• GIC—Gas Inventory Charge (natural gas)
• GISB—Gas Industry Standards Board (now NAESB) (US) (natural gas)
• GLDF—Generator to Load Distribution Factor. See Load balancing (electricity)
• Gm³—Billion cubic metres (measurement – gas)
• GMO—Genetically modified organism
• GMP—Green Mountain Power (US) (electricity)
• GNP—gross national product (economics)
• GNSED—Global Network for Sustainable Energy Development
• GRI—Gas Research Institute (US) (natural gas)
• GRC—General rate case (US) (regulatory)
• GridCo—Any company running a transmission grid (electricity). Also known as a TransCo (US) (electricity)
• GSF—Generator to Load Distribution Factor. See Load balancing (electricity)
• GPE—gravitational potential energy
• GSR—Gas Supply Realignment (natural gas)
• Gt—Gigaton (1 billion tons) (measurement)
• GTCC—Gas Turbine Combined Cycle (electricity)
• GTI—Gas Technology Institute (US)
• Gtoe—One billion tons of oil equivalent(EU) (measurement- oil)
• GVEP—Global Village Energy Partnership (organization)
• GVW—gross vehicle weight (transportation)
• GW—Gigawatt (one billion watts) (measurement- elect)
• GWE—Gigawatt of electric energy (measurement- elect)
• GWh—Gigawatt hour (one billion watt hours) (measurement- elect)
• GWP—global warming potential (climate)

H

• HCA—Host Control Area (electricity)
• HDD—Heating degree days a qualitative index used to reflect the demand for energy to heat a business (conservation)
• HERS—Home energy rating standard (conservation)
• HHI—Herfindahl–Hirschman Index (markets)
• HID—high intensity discharge (electricity)
• hp—Horsepower (measurement)
• HRSG—Heat recovery steam generation
• HTGR—high temperature gas cooled reactor (nuclear)
• HVAC—Heating, ventilation, and air conditioning (conservation)
  • —High voltage alternating current (electricity)
• HVAR—Highly Valued Aquatic Resource
• HVDC—High Voltage Direct Current

I

• I/C—Interruptible /Curtailable (electricity)
• ICAP—Installed Capacity (electricity)
• ICAP-SCR—Installed capacity special case resources (electricity)
• ICCP—Inter-Control Center Communications Protocol (electricity)
• ICE—Internal combustion engine (transportation)
• ICT—Independent Coordinator of Transmission (US) (electricity)
  • —Information and Communication Technology
• IDC—Interchange Distribution Calculator (electricity)
• IEA—International Energy Agency (Paris)
• IEM—Internal electricity market (electricity)
• IEEE—Institute of Electrical and Electronics Engineers
• IEPE—Institute of Energy Policy and Economics (France)
• IER—Incremental Energy Rate
• IET—International emission trading (policy)
• IGCC—Integrated coal gasification combined cycle
• IGIC—Interim gas inventory charge (natural gas)
• IGSC—Interim gas supply charge (natural gas)
• IGT—Institute of Gas Technology (natural gas)
• IGU—International Gas Union (natural gas)
• IHR—Incremental Heat Rate- plant monitoring (electricity)
• IIASA—International Institute for Applied System Analysis
• IJC—International Joint Commission
• ILP—Integrated Licensing Process
• INGAA—Interstate Natural Gas Association of America
• IOS—Interconnected Operations Services (electricity)
• IOU—Investor owned utility (electricity)
• IPAA—Independent Petroleum Association of America (oil)
• IPCC—Intergovernmental Panel on Climate Change (climate)
• IPP—Independent Power Producer (electricity)
• IPS/UPS—Integrated Power System/United Power System, consisting of Independent Power Systems of 12 countries bordering Russia and the Unified Power System of Russia
• IRC—ISO / RTO Council (electricity)
• IROL—Interconnection Reliability Operating Limit (electricity)
• IRP—Integrated resource planning
• IRR—Internal Rate of Return (finance)
• ISO—Independent System Operator (US) (see also TSO) Responsible for grid management, but does not own assets. (electricity)
• ISO-NE—Independent System Operator of New England, a regional transmission organization. (US) (electricity)
• ISO—NE ISO New England, Inc. (electricity)
• ISS—Interruptible Sales Service
• IT—Interruptible Transportation is gas shipment via pipeline whose delivery may be interrupted in favor of "firm shipment" contracts if there is lack of capacity. (natural gas)
• ITC—Investment tax credit (policy)
• ITS—"Interruptible Transportation Service" is gas shipment via pipeline whose delivery may be interrupted in favor of "firm shipment" contracts if there is lack of capacity. (natural gas)

J

• JRC—Joint Research Centre
• JREC—Johannesburg Renewable Energy Coalition

K

• koe—One kilogram oil equivalent (EU) (measurement)
• kV—Kilovolt (one thousand volts) (measurement)
• kVA—One thousand volt Ampere (measurement)
• kvar—one thousand vars (measurement)
• kW—Kilowatt (one thousand watts) (measurement)
• kWE—kilowatt electric (measurement)
• kWh—Kilowatt hour (one thousand watt hours) (measurement)

L

• LaaR—Load acting as a resource (ERCOT category) (electricity)
• LBA—Local Balancing Authority (electricity)
• LBNL—Lawrence Berkeley National Laboratory (US)
• LCOD—Levelized cost of delivery (electricity)
• LCOE—Levelized cost of energy (electricity)
• LCOS—Levelized cost of storage (electricity)
• LDC—Local distribution company (electricity)
• LED—Light Emitting Diode
• LEVP—Low Emissions Vehicle Program
• LHV—lower heating value
• Li-Ion—Lithium Ion (electricity storage)
• LIHEAP—Low Income Home Energy Assistance Program
• LIPA—Long Island Power Authority (US) (electricity)
• LLF—Load-loss factor (electricity)
• LMP—Locational marginal price/pricing. See explanation in electricity markets.
• LMR—Load Modifying Resource (electricity)
• LNG—Liquified Natural Gas
• LODF—Line Outage Distribution Factor (electricity)
• LOLE—Loss of load expectation (electricity)
• LOLP—Loss of load probability (electricity)
• LPG—liquefied petroleum gas
• LPN—Lender Participation Notes
• LRG—liquefied refinery gases
• LSE—Load serving entity
• LSF—Load Shift Factor
• lsfo—Low sulfur fuel oil
• LWR—light water reactor

M

• MAAC—Mid Atlantic Area Council (US- geographically within PJM)
• MADRI—Mid Atlantic Distributed Resources Initiative (US)
• MAIN—Mid America Interconnected Network (US)
• MAOP—Maximum allowable operating pressure
• MAPP—Mid Continent Area Power Pool (US)
• MBD—million barrels per day
• MBOE—One million barrels of oil equivalent(EU)
• MBR—Market based Rates
• MBS—Macro economic Budget Support
• Mcf—Roman numeral "M" for one thousand cubic feet (measurement of natural gas)
• MDAS—Meter Data Acquisition System
• MDD—Maximum Daily Delivery Obligations
• MDDQ—Maximum Daily Delivery Quantity
• MDM—Meter Data Management
• MDQ—Maximum Daily Quantities
• MECS—Manufacturing Energy Consumption Survey
• MEDREG—Mediterranean Energy Regulators
• MEDREP—Mediterranean Renewables Energy Partnership
• MER—Maximum efficient rate
• MERC—Mobile Emission Reduction Credit (MERC) (US)
• MFV—Modified fixed variable rate
• MISO—Midcontinent Independent System Operator, Inc. A regional transmission organization. (US)
• MLP—Maximum lawful price
• MLRA—Major Land Resource Areas
• MM—Used to denote million in gas usage
• MMbbl/d—one million barrels of oil per day
• MMBtu—1 million British thermal units, same as dekatherm
• MMC—Market Monitoring Center
• MMCF—one million cubic feet (measurement of natural gas)
• MMCFD—one million cubic feet per day
• MMGAL—one million gallons
• MMGAL/D—one million gallons per day
• MMS—Minerals Management Service (US)
• MMST—one million short tons
• MODFLOW—model of groundwater flow
• MOU—Memorandum of Understanding
• MOX—mixed oxide fuel (nuclear)
• MPAN - Meter Point Administration Number
• MPG—Miles per gallon
• MRO—Midwest Reliability Organization (US)
• MSA—metropolitan statistical area
• MSHA—Mine Safety and Health Administration (US)
• msl—Mean sea level
• MSW—Municipal solid waste
• Mt—one million tons (ambiguous as to whether short tons or metric tons)
  • —one Metric ton
• MTBE—methyl tertiary butyl ether
• MTEF—Medium Term Expenditure Framework
• MTEP—Midwest ISO Transmission Expansion Plan 2005 (US)
• Mtoe—One million tons of oil equivalent(EU)
• Muni—Municipality
• MVA—Megavolt amperes (one million volt amperes)
• MW—Megawatt (one million watts)
• MWE—megawatt electric
• MWh—Megawatt hour (one million watt hours)

N

• NAAQS—National Ambient Air Quality Standards (US)
• NAESB—North American Energy Standards Board (formerly GISB)
• NAFTA—North American Free Trade Agreement
• NAICS—North American Industry Classification System
• NAP—National Renewable Energy Action Plan
• NARUC—National Association of Regulatory Utility Commissioners (US) [1]
• NAS—United States National Academy of Sciences
• NASPI—North American Synchrophasor Initiative
• NASUCA—National Association of Utility Consumer Advocates(US)
• NATC—Non Recallable Available Transfer Capability
• NBS—National Bureau of Standards (US)
• NCD—Non coincidental Demand
• NCEP—National Council on Electricity Policy (US) [2]
• NCSL—National Conference of State Legislatures (US)
• NEA—The National Energy Act of 1978 (US)
• NEB—National Energy Board (Canada)
• NEDRI—New England Distributed Resources Initiative (US)
• NEM—Net energy metering (US)
• NEPA—National Environmental Policy Act (US)
• NEPOOL—New England Power Pool
• NERC—North American Electric Reliability Council
• NGA—Natural Gas Act (US)
• NGAA—Natural Gasoline Association of America (US)
• NGL—natural gas liquids
• NGPA—Natural Gas Policy Act of 1978 (US)
• NGPL—Natural gas plant liquids
• NGPSA—Natural Gas Pipeline Safety Act of 1968 (US)
• NGSA—Natural Gas Supply Association (US)
• NGV—Natural gas vehicle
• NHPA—National Historic Preservation Act (US)
• NIETC—National Interest Electric Transmission Corridor (US)
• NITC—Normal Incremental Transfer Capability
• NIMBY—Not in my backyard regarding siting of energy generation and transmission infrastructure.
• NOAA—National Oceanic and Atmospheric Administration (US)
• NOC—National Oil Company
• NOI—Notice of Intent or Notice of Inquiry or Notice of Investigation
• NOPR—Notice of Proposed Rulemaking (US)
• NORDEL—association of Nordic electric system operators, comprising Denmark, Finland, Norway, Sweden
• NOx—nitrogen oxides
• NPCC—Northeast Power Coordinating Council (US)
• NPV—Net Present Value
• NRC—Nuclear Regulatory Commission (US)
• NRCS—National Resource Conservation Service (US)
• NRECA—National Association of Rural Electric Cooperatives (US)
• NREL—National Renewable Energy Laboratory (US)
• NREPA—National Resource and Environmental Protection Act (US)
• NRI—National Rivers Inventory (US)
• NRIS—Network Resource Interconnection Service (electricity)
• NSA—Noise sensitive area
• NTAC—Northwest Transmission Assessment Committee (US)
• NUG—Non Utility Generator
• NURE—national uranium resource evaluation (US)
• NYDER—New York Department of Environmental Resources
• NYISO—New York Independent System Operator, Inc. (US)
• NYMEX—New York Mercantile Exchange
• NYPSC—New York Public Service Commission
• NYSERDA—New York State Energy Research and Development Authority
• NIMYBY- Not In My BackYard

O

• O&M—Operation and Maintenance Expenses
• O₃—Ozone
• OASIS—Open Access Same-Time Information System
• OATI-Open Access Technology International (US energy software company)
• OATT—Open Access Transmission Tariff (US)
• OCS—Outer Continental Shelf (oil and wind resources)
• OCSLA—Outer Continental Shelf Lands Act (oil)
• OECD—Organisation for Economic Co-operation and Development
• OEM—original equipment manufacturers
• OFO—Operational Flow Order
• OMP—Operation and Maintenance Plan
• Ontario—IESO Ontario Independent Electricity System Operator (Canada)
• OPEC—Organization of Petroleum-Exporting Countries (oil)
• OPRG—oxygenated fuels program reformulated gasoline (oil)
• OREC-ocean resource energy credits
• ORNL—Oak Ridge National Laboratory (U.S.) (nuclear)
• OSHA—U.S. Department of Labor Occupational Safety and Health Administration
• OTAG—Ozone Transport Assessment Group
• OTDF—Outage Transfer Distribution Factor
• OTEC—ocean thermal energy conversion (electricity)

P

• PA—Planning Authority
  • —Programmatic Agreement
• PADD—Petroleum Administration for Defense Districts (US)
• PBR
  • —pebble bed reactor (nuclear)
  • —performance based rates (electricity)
  • —Performance-based regulation
• PCB—polychlorinated biphenyl
• PCM—Project Cycle Management
• PCS—Power conversion system, electric power conversion
• PCT—Programmable Communicating Thermostat (electricity)
• PD—Preliminary Determination
• PDC—Phasor data concentrator. See description in phasor measurement unit article. (electricity)
• PDCI—Pacific Direct Current Intertie (US) (electricity)
• PERC—Passivated Emitter Rear Contact (type of PV cell)
• PEM—Proton Exchange Membrane
• PFC—perfluorocarbons
• PG&E—Pacific Gas & Electric (US) (electricity)
• PGA—Purchased gas adjustment
• PHA—Production Handling Agreement
• PHFFU—Plant held for future use
• PIDX—Petroleum Industry Data Exchange (oil)
• PIER—Public Interest Energy Research (CEC)
• PIFUA—Powerplant and Industrial Fuel Use Act of 1978
• PJM—PJM Interconnection, LLC, a regional transmission organization. (US) (electricity)
• PLC—Power line communication (electricity)
• PLMA—Peak Load Management Association (US) (electricity)
• PM—Particulate matter
• PM&E—Protection, mitigation and enhancement
• PMA—Power Marketing Administration or Fed. Power Marketing Agency (US) (electricity)
• PMU—Phasor measurement unit (electricity)
• PNNL—Pacific Northwest National Laboratory (DOE) (US)
• POD—Point of Delivery
• PoE—Power over Ethernet
• POLES—Prospective On Long Term Energy Systems
• POLR—Provider of last resort (electricity)
• PPA—Power Purchase Agreement (electricity)
• PPI—producer price index
• ppmv—Parts Per Million by Volume
• ppp—Purchasing power parity
• PPR—Potential peak reduction
• PREP—Pacific Regional Energy Programme
• PRESSEA—Promotion of Renewable Energy Sources in South East Asia (PRESSEA)
• Prim—Primary (electricity) nuclear, hydro, geothermal, wind, solar
• PSC—Public Service Commission
• PSD—Prevention of Significant Deterioration
• PSE—Puget Sound Energy (US) (electricity)
• PSoC—Partial State of Charge, operational mode of grid supporting batteries able to respond to both demand and excess production, see UltraBattery
• PTDF—Power Transfer Distribution Factor (electricity)
• PTP—Point to Point Transmission Service (electricity)
• PUC—Public utilities commission (electricity)
• PUD—Public utility district (electricity)
• PUHCA—Public Utility Holding Company Act of 1935 (US) (electricity)
• PURPA—Public Utility Regulatory Policies Act of 1978 (US) (electricity)
• PV—photovoltaic (solar)
• PVC—photovoltaic cell (solar)
• PVC—polyvinyl chloride
• PWR—pressurized water reactor (nuclear)
• PX—Power exchange

Q

• QF—qualifying facility
• QSE—Qualifying scheduling entity
• QUAD—10¹⁵ Btu (a quadrillion in the short scale)

R

• R/P—Reserve on Production
  • —Reserves to Production
• RAB—Regional Advisory Body (US)
• RAC—Refiners' acquisition cost
• RAP—Regulatory Assistance Project
• RAR—Reasonable assured resources
• RAS—Remedial Action Scheme
• RATC—Recallable Available Transmission Capability
• RBMK—Russian: Реактор Большой Мощности Канальный = "High Power Channel Type Reactor" (RU)
• RBOB—reformulated gasoline blendstock for oxygenate blending
• RC—Reliability Coordinator
• RCIS—Reliability Coordinator Information System
• RCRA—Resource Conservation and Recovery Act (US)
• RDF—refuse derived fuel (electricity)
• REA—Rural Electrification Administration (US)
• REC—Renewable energy credit (US)
• RECS—Residential Energy Consumption Survey (US)
• REEEP—Renewable Energy and Energy Efficiency Partnership
• RER—Renewable Energy Rider
• RES—Renewable energy source
• RET/EE—IAF Renewable Energy Technology & Energy Efficiency Investment Advisory Facility
• RF—Radio frequency
• RFA—Regulatory Flexibility Act (US)
• RFC—ReliabilityFirst Corporation (US) (electricity)
• RFG—reformulated gasoline (oil)
• RFI—Request for Interchange
• RFP—Request for proposals
• RGGI—Regional Greenhouse Gas Initiative
• RGS—Renewable Generating System
• RM—Rulemaking
• RMATS—Rocky Mountain Area Transmission Study (US) (electricity)
• RMR—Reliability Must Run (electricity)
• RMU—Removal Units
• ROA—Return of Assets (finance)
• ROE—Return of Equity (finance)
• ROFR—Right of First Refusal (finance)
• ROI—Return on Investment
• ROW—Right of Way
• RPM—Reliability Pricing Model. See explanation in electricity market#Deregulated market experience. (electricity)
• RPS—Renewable Portfolio Standards (US)
• RRO—Regional reliability organization (US)
• RSE—Revenue Stream Estimate (finance)
• RSE—relative standard error
• RTBM—Real-Time Balancing Market (electricity)
• RTEP—Regional transmission expansion plan
• RTG—Regional Transmission Group (US)
• RTO—Regional transmission organization (US)
• RTP—Real time Pricing
• RTU—Remote Terminal Unit
• RUS—Rural Utilities Service
• RVP—Reid vapor pressure

S

• SCADA—Supervisory control and data acquisition a remote control and telemetry system used to monitor and control the electrical system
• SCE—Southern California Edison (US)
• SCE&G—South Carolina Electric & Gas (US)
• scf—Standard cubic foot
• SCO—Stranded Cost Obligation (finance)
• SCR—Special Case Resources (US- NYISO category)
• SCR—Selective Catalytic Reduction
• SDG&E—San Diego Gas & Electric (US)
• SEA—Strategic Environmental Assessment
• SEC—Securities and Exchange Commission (US)
• SEER—seasonal energy efficiency ratio
• SEFI—Sustainable Energy Finance Initiative
• SEIA—Sustainable Energy Industry Association
• Seams—Interconnections Seam Study
• SEPA—Smart Energy Power Alliance
• SERC—Southeastern Electric Reliability Council (US)
• SF₆—sulfur hexafluoride
• SFC—Solid oxide fuel cell (transportation)
• SFEIS—Supplemental Final Environmental Impact Statement (US)
• SFV—Straight Fixed Variable
• SGR—State game refuge (US)
• SHPO—State Historic Preservation Office (US)
• SI—International System of Units (Système international d'unités)
• SIC—Standard Industrial Classification
• SMES—Superconducting magnetic energy storage
• SMPs—Special Marketing Programs
• SNG—Synthetic Natural Gas or Substitute Natural Gas
• SO₂—Sulfur dioxide
• SoC—State of charge of rechargeable battery
• SoH—State of health of rechargeable battery
• SOL—System Operating Limit
• SPCC—Spill Prevention, Containment and Countermeasure Plan
  • SPM—Synchronized phasor measurement- a WAMS network with synchrophasor sensors (PMUs). (electricity)
• SPP—Southwest Power Pool Inc., a regional transmission organization (US)
  • —Statewide Pricing Pilot (US-California)
  • —Small power producer (electricity)
• SPR—Strategic Petroleum Reserve (US)
• SPS—Special Protection System
• SR—Speculative resources For example, regarding uranium deposits. (nuclear)
• SRP—Salt River Agricultural Improvement & Power District (US) (electricity)
• SSG—WI PWG Seams Steering Group of Western Interconnection PlanningWork Group (US) (electricity)
• SSM—Synchronized system measurement-a WAMS with synchronous sensors in addition to PMUs. See Phasor networks.
• STEP—Southwest Transmission Expansion Plan group (US) (electricity)
• SVC—Static VAR compensator (electricity)
• SVEC—Shenandoah Valley Electric Cooperative
• SWAT—Southwest Area Transmission (US) (electricity)
• SWU—Separative work unit

T

• TAME—Tertiary amyl methyl ether
• TAPS—Trans-Alaska Pipeline System (natural gas)
• TBA—tertiary butyl alcohol
• TBL—transmission business line (electricity)
• TBS—town border station
• Tcf—Trillion cubic feet (measurement)
• TCR—Transition cost recovery (mechanism)
• TDU—Transmission Dependent Utility (electricity)
• TEFRA—Tax Equity and Fiscal Responsibility Act of 1985
• TEN—Trans-European Networks (electricity)
• TLR—Transmission Line Loading Relief Procedures (electricity)
• TO—Transmission owner (electricity)
• toe—Ton of oil equivalent (EU)
• TOP—transmission operator (electricity)
• TOU—time of use (rate) (electricity)
• Transco—transmission company (US) (electricity)
  • —Transcontinental Pipeline (US) (natural gas)
  • —National Transmission Corporation (Philippines)
• TRM—Transmission reliability margin (electricity)
• TSO—Transmission system operator) (electricity)
• TSR—Transmission service request (electricity)
• TTC—Total transfer capability (electricity)
• TVA—Tennessee Valley Authority (US) (electricity)
• TW—terawatt (one trillion watts) (measurement)
• TWH—terawatt-hour (one trillion watt hours)
• T&D—Transmission and distribution

U

• U.S.C.—United States Code
• U₃O₈—triuranium octaoxide (nuclear)
• UAE—United Arab Emirates (oil)
• UCAP—Unforced Capacity (electricity)
• UCTE—Union for the Coordination of the Transport of Electricity, the power transmission system of continental Europe
• UF₆—uranium hexafluoride (nuclear)
• UFLS—Under frequency load shedding (electricity)
• UHVAC—ultra-high-voltage alternating current (electricity)
• UHVDC—ultra-high-voltage direct current (electricity)
• ULCC—Ultra Large Crude Carrier (oil)
• UMTRA—Uranium Mill Tailings Radiation Control Act of 1978 (US)
• UNCCD—United Nations Convention to Combat Desertification
• UNDESA—UN Department of Economic and Social Affairs
• UNDP—United Nations Development Programme
• UNDP—United Nations Development Programme
• UNECE—United Nations Economic Commission for Europe
• UNEP—United Nations Environment Programme
• UNFCCC—United Nations Framework Convention on Climate Change
• UO₂—uranium dioxide (nuclear)
• UO₃—uranium trioxide (nuclear)
• UO₄—uranyl peroxide (nuclear)
• UOX—uranium oxide (nuclear)
• URR—Ultimate Recoverable Resources
• USBR—United States Bureau of Reclamation
• USCE—United States Army Corps of Engineers
• US DOE—United States Department of Energy
• USGS—United States Geological Survey
• UVLS—under voltage load shedding (electricity)

V

• V—Volt (measurement)
• VA—Volt-ampere (measurement)
• var—Volt-ampere reactive (measurement)
• VAWT—vertical axis wind turbine (wind)
• VIN—vehicle identification number (US) (transportation)
• VLCC—very large crude carrier (oil)
• VMT—vehicle miles traveled (transportation)
• VOC—volatile organic compound
• VPP—Variable peak pricing (electricity)
• VSA—Voltage stability analysis

W

• W—Watt
• WACOG—weighted average cost of gas
• WAMS—Wide area measurement system, also Wide area monitoring system - see description in phasor measurement unit article. (electricity)
• WCMC—World Conservation Monitoring Centre
• WCRE—World Commission on Renewable Energy
• WEA—World Energy Assessment
• WEC—World Energy Council
• WECC—Western Electricity Coordinating Council (US)
• WEI—Western Electric Institute (US)
• WEEA—World Energy Efficiency Organization
• WH—watthour (measurement)
• WHO—World Health Organization
• WIRAB—Western Interconnection Regional Advisory Body (US)
• WRI—World Resources Institute
• WSCC—Western Systems Coordinating Council (US)
• WSPP—Western Systems Power Pool (US)
• WSSD—World Summit on Sustainable Development
• WTG—Wind turbine generator (wind)
• WTI—West Texas Intermediate (US)
• WTP—Willingness to pay
• WY—Water Year (measurement)

Appendix: Residential energy acronyms

The following table lists a number of terms that are used in the United States for residential energy audits.

• AFUE—annual fuel utilization efficiency
• BTL—building tightness limit (building tightness)
• CDH—cooling degree hours (climate)
• CFL—compact fluorescent light
• COP—coefficient of performance
• CRI—color rendering index
• EEM—Energy Efficient Mortgage
• EER—energy efficiency ratio
• EF—energy factor (clothes washers)
• EIM—Energy Improvement Mortgage
• ERV—energy-recovery ventilator
• HDD—heating degree day
• HHI—home heating index
• HID—high-intensity discharge
• HRV—heat-recovery ventilator
• HSPF—heating seasonal performance factor
• HVI—Home Ventilating Institute
• IECC—International Energy Conservation Code
• K-value—thermal conductance
• Low-e—low emissivity
• LEED—Leadership in Energy and Environmental Design, standard for Green Building design
• MEF—modified energy factor (clothes washers)
• MINHERS—Mortgage Industry National Home Energy Rating Systems Standards
• MVG—minimum ventilation guideline (building tightness)
• MVL—minimum ventilation level (building tightness)
• NAECA—National Appliance Energy Conservation Act
• ODS—oxygen depletion sensor
• RESNET—Residential energy services network
• R-value—thermal resistance
• SC—shading coefficient (windows)
• SEER—seasonal E efficiency ratio
• SHGC—solar heat gain coefficient
• SIR—savings-to-investment ratio (energy conservation investments)
• SLA—Specific leakage area
• SPB—Simple Payback (energy conservation investments)
• SSE—steady-state efficiency
• U-value—thermal transmittance (also called U-factor)
• WF—water factor (clothes washers)

See also

• Acronym
• Lists of abbreviations

References

Notes

• "Technology Acronyms and Abbreviations". All Acronyms. Retrieved 2008-11-27.
• "Energy Information Agency list of acronyms". Energy Information Administration. Retrieved 2008-11-27.
• "Federal energy regulatory commission- Help- acronyms". Federal Energy Regulatory Commission. Retrieved 2008-11-27.
• "World energy, technology and climate policy outlook- list of acronyms" (PDF). European Commission. Retrieved 2008-11-27.
• "Distributed Power Generation in Europe: technical issues for further integration- list of acronyms". European Commission. Archived from the original (pdf) on July 20, 2011. Retrieved 2008-12-01.

1. Lists of abbreviations
2. List of medical abbreviations: D
3. List of common physics notations
4. List of medical abbreviations: P
5. List of abbreviations in oil and gas exploration and production
6. List of medical abbreviations: S
7. Outline of energy
8. Crossword abbreviations
9. List of abbreviations used in sanitation
10. List of abbreviations in photography
11. List of countries by energy intensity
12. Glossary of military abbreviations
13. Energy policy of India
14. List of Latin phrases (full)
15. List of companies of India
16. List of chemistry journals
17. List of abbreviations in Ghana
18. List of companies of Romania
19. Energy development
20. List of companies of Croatia