Energy abbreviations

By Wikipedia,
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http://en.wikipedia.org/wiki/List_of_energy_abbreviations

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A

• AAQS — Ambient Air Quality Standards (environment) (US)
• AAU — Assigned amount units (measurement)
• ABF — Availability based tariff (electricity)
  • — Aquatic Base Flow (Hydropower) (electricity)
• AC — Alternating current
• ACA — Annual Charge Adjustment (electricity)
• Acc. — Accession countries (to the European Union) (government)
• ACE — Area Control Error (electricity)
• ACEEE — American Council for an Energy Efficient Environment
• ACRS — Accelerated Cost Recovery System (finance)
• ADITC — Accumulated Deferred Investment Tax Credit (policy)
• ADR — Asset Depreciation Range (finance)
  • — Alternative dispute resolution
• AEP — American Electric Power (electricity)
• 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)
• 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 (eg. in demand response systems) (electricity)
• AQCR — Air Quality Control Region (US) (environment)
• ARA — (in shipping) ports of Amsterdam - Rotterdam - Antwerp (oil)
• 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 Federal du Plan (Belgium). (Has responsiblies over economic, social and environmental policy
• BIA — Bureau of Indian Affairs (US)
• 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)
• BTU — British thermal unit(s)
• BTX — from BTX process, a mixture of benzene, toluene, 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)
• 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 Level
• 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
• 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

D

• DADRP — Day Ahead Demand Response Program
• 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)
• 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
• 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)
• 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)
• EdF — Electricité de France
• EDRP — Emergency demand response program
• EE — Energy efficiency
• EEI — Edison Electric Institute
• EHV — Extra high voltage
• EIA — Energy Information Administration (US)
  • — Environmental impact assessment (international
• EIB — European Investment Bank
• 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)
• 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
• ERO — Electric Reliability Organization. The US designated NERC as its ERO.
• ESCO — Energy service company
• ESI — Environmental Sustainability Index
• ESMAP — Energy Sector Management Assistance Programme
• 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
• 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)
• 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)
• GHC — Gross Inland (energy) Consumption (EU) (energy)
• GHG — Greenhouse gas (climate)
• 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)
• 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)
• 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 — Hirschman Herfindahl Index (markets)
• HID — high intensity discharge (electricity)
• hp — Horsepower (measurement)
• 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)
• ICE — Internal combustion engine (transportation)
• ICT — Independent Coordinator of Transmission (US) (electricity)
  • — Information & 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)
• 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
• 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 interupted 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 interupted 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 — Kilovolt Ampere (measurement)
• kvar — one thousand volt-amperes reactive (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)
• LBNL — Lawrence Berkeley National Laboratory (US)
• LDC — Local Distribution Company (electricity)
• LEVP — Low Emissions Vehicle Program
• LHV — lower heating value
• LIHEAP — Low Income Home Energy Assistance Program
• LIPA — Long Island Power Authority (US) (electricity)
• LMP — Locational marginal price/pricing. See explanation in electricity markets.
• LNG — Liquified Natural Gas
• LODF — Line Outage Distribution Factor (electricity)
• LOLE — Loss of Load Expectation (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
• MBOED — 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)
• MDD — Maximum Daily Delivery Obligations
• MDDQ — Maximum Daily Delivery Quantity
• MDM — Meter data management
• MDQ — Maximum Daily Quantities
• MECS — Manufacturing Energy Consumption Survey
• MEDREP — Mediterranean Renewables Energy Partnership
• MER — Maximum efficient rate
• MERC — Mobile Emission Reduction Credit (MERC) (US)
• MFV — Modified fixed variable rate
• MISO — Midwest Independent Transmission 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/D — one million gallons per day
• MMS — Mineral Management Service (US)
• MMST — one million short tons
• MODFLOW — model of groundwater flow
• MOU — Memorandum of Understanding
• MOX — mixed oxide fuel (nuclear)
• 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

• N2O — nitrous oxide
• 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 Action Plan
• NARUC — National Association of Regulatory Utility Commissioners(US)
• 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
• NCSL — National Conference of State Legislatures (US)
• NEA — The National Energy Act of 1978 (US)
• NEB — National Energy Board (US)
• NEDRI — New England Distributed Resources Initiative (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)
• 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)
• NREPA — National Resource and Environmental Protection Act (US)
• NRI — National Rivers Inventory (US)
• 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

O

• O&M — Operation and Maintenance Expenses
• O₃ — Ozone
• OASIS — Open Access Same-Time Information System
• OATT — Open Access Transmission Tariff (US)
• OCS — Outer Continental Shelf (oil)
• OCSLA — Outer Continental Shelf Lands Act (oil)
• OECD — Organization for Economic Cooperation and Development
• OEM — original equipment manufacturers
• OFO — Operational Flow Order
• OMP — Operation and Maintenance Plan
• Ontario — IESO Ontario Independent Electricity System Operator (Canada)
• OPEC — Organisation of Petroleum Exporting Countries (oil)
• OPRG — oxygenated fuels program reformulated gasoline (oil)
• 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
• 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)
• 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
• 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 parities
• 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)
• PTDF — Power Transfer Distribution Factor (electricity)
• PTP — Point to Point Transmission Service (electricity)
• PUC — Public Utility 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)
• RECS — Residential Energy Consumption Survey (US)
• REEEP — Renewable Energy and Energy Efficiency Partnership
• 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
• 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 markets#Electricity market experience. (electricity)
• RRO — Regional reliability organization (US)
• RSE — Revenue Stream Estimate (finance)
• RSE — relative standard error
• 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)
• Scf — Standard Cubic Foot of Natural Gas
• SCO — Stranded Cost Obligation (finance)
• SCR — Special Case Resources (US- NYISO category)
• 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
• 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
• SMPs — Special Marketing Programs
• SNG — Synthetic Natural Gas or Substitute Natural Gas
• SO₂ — Sulfur dioxide
• 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)
• 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 — Procedures 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)
• TTC — Total Transfer Capability (electricity)
• TVA — Tennessee Valley Authority (US) (electricity)
• TW — terawatt (one trillion watts) (measurement)
• TWH — terawatthour (one trillion watt hours)

U

• U.S.C. — United States Code
• U₃O₈ — triuranium octaoxide (nuclear)
• UAE — United Arab Emirates (oil)
• UCTE — Union for the Coordination of the Transport of Electricity, the power transmission system of continental Europe
• UF₆ — uranium hexaflouride (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-amperes 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- 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)
• WEEA — World Energy Efficiency Organization
• WH — watthour (measurement)
• WHO — World Health Organisation
• 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 abbreviations

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
• Geekism

Published - December 2008

This glossary is available under the terms
of the GNU Free Documentation

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