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- P5+1Group of countries that engaged with Iran over its nuclear program
- PACE financingPACE financing (property assessed clean energy financing) is a means used in the United St
- Pacific, WisconsinPacific is a town in Columbia County, Wisconsin, United States. The population was 2,518 a
- Paimpol–Bréhat tidal farmTidal turbine demonstration farm off Île-de-Bréhat near Paimpol, France
- Palo Verde Nuclear Generating StationNuclear power plant located near Tonopah, Arizona
- Pan-Canadian Framework on Clean Growth and Climate ChangeCanada's national climate strategy
- Pan-European Oil PipelineProposed gas transporter
- PanketalPanketal is a municipality in the district of Barnim, in Brandenburg, Germany. It is situa
- Paper batteryType of battery
- Parabolic troughTechnology used in concentrated solar power stations
- Paraguaná refinery complexOil refinery in Venezuela
- Parker ValleyThe Parker Valley is located along the Lower Colorado River within the Lower Colorado Rive
- Passive coolingBuilding design approach
- Passive houseHigh-performance energy-efficiency building standard
- Passive nuclear safetyPassive nuclear safety is a design approach for safety features, implemented in a nuclear
- Passive solar building designArchitectural engineering that uses the Sun's heat without electric or mechanical systems
- Passive survivabilityPassive survivability refers to a building's ability to maintain critical life-support con
- Patos-Marinza Oil FieldAlbanian oil field
- Peace River oil sandsLocated in northwest-central Alberta, the Peace River oil sands deposit is the smallest of
- Peak demandHighest power demand on a grid in a specified period
- Peak gasYear when the maximum rate of gas production is reached
- Peak oilPoint in time when the maximum rate of petroleum extraction is reached
- Peaking power plantReserved for high demand times
- Pearl GTLGas to liquids plant based in Ras Laffan, Qatar
- Pelamis Wave PowerPelamis Wave Power designed and manufactured the Pelamis Wave Energy Converter – a technol
- Péligre DamDam in Centre, Haiti
- Pelton wheelType of turbine
- PenstockIntake structure for turbines or sewerage systems
- PentaneAlkane with 5 carbon atoms C5H12
- Pentane (data page)This page provides supplementary chemical data on n-pentane.
- Per-unit systemIn the power systems analysis field of electrical engineering, a per-unit system is the ex
- Perdido (oil platform)Deepwater oil platform
- Pergau DamDam in Jeli, Kelantan, Malaysia
- Persistent currentPerpetual electric current, not requiring an external power source
- Peter A. BradfordAmerican nuclear Regulatory Commissioner
- PetroChinaChinese oil producer
- PetrocurrencyFinancial asset backed by a country's revenues from petroleum exports
- PetroleumNaturally occurring combustible liquid
- Petroleum cokeSolid carbon-rich material
- Petroleum exploration in the ArcticIndustry in the Arctic
- Petroleum fiscal regimeNational regulatory framework on economic benefits from petroleum production
- Petroleum industry in CanadaPetroleum production in Canada is a major industry which is important to the overall econo
- Petroleum industry in ChinaThe petroleum industry in China has evolved from small-scale exploration during the Qing d
- Petroleum industry in IranIran is considered an energy superpower, largely due to its petroleum industry. In 2004, I
- Petroleum industry in IraqWorld's fifth largest proven petroleum reserves
- Petroleum industry in KuwaitThe petroleum industry in Kuwait is the largest industry in the country, accounting nearly
- Petroleum industry in MexicoThe petroleum industry in Mexico makes Mexico the eleventh largest producer of oil in the
- Petroleum industry in SudanThe petroleum industry in Sudan began in 1979, when the first commercial flow in the count
- Petroleum productProducts ultimately derived from crude oil
- Petroleum reservoirSubsurface pool of hydrocarbons
- Petrolia, OntarioTown in Ontario, Canada
- PetrosixPetrosix is the world's largest surface oil shale pyrolysis retort with an 11 metres (36 f
- Phasor measurement unitDevice measuring electrical waves on a power grid
- Photovoltaic engineering in AustraliaPhotovoltaic and renewable energy engineering is an area of research, development, and dem
- Photovoltaic power stationLarge-scale photovoltaic system
- Photovoltaic systemPower system designed to supply usable electric power from solar energy
- PhotovoltaicsMethod to produce electricity from solar radiation
- Phú Mỹ Power PlantsPower generation complex located in Vietnam
- Physicians for Social ResponsibilityPhysicians for Social Responsibility (PSR) is a physician-led organization in the US worki
- Piana–Mwanga Hydroelectric Power StationHydroelectric power station in the Democratic Republic of the Congo
- Piceance BasinThe Piceance Basin is a geologic structural basin in northwestern Colorado, in the United
- Pickering Nuclear Generating StationNuclear power plant in Canada
- Pico hydroHydroelectric power generation under 5 kW
- PiggingPractice in pipeline transportation
- Pilgrim Nuclear Power StationDecommissioning nuclear power plant located in Plymouth, Massachusetts
- Pipeline and Hazardous Materials Safety AdministrationUnited States government agency
- Piper AlphaOil platform destroyed by explosion and fire in 1988
- Pittsburgh coal seamCoal bed in the Appalachian Basin
- Plastic containerPlastic containers are containers made exclusively or partially of plastic. Plastic contai
- Platform supply vesselA platform supply vessel (PSV) is a ship specially designed to supply offshore oil and gas
- Pleasant Prairie Power PlantPower plant in Wisconsin
- Plowshares movementChristian pacifist movement
- Plymouth, PennsylvaniaBorough in Pennsylvania, US
- PNE AGPNE AG (formerly Plambeck Neue Energie AG) is a German company based in Cuxhaven that deve
- Polyphase matrixIn signal processing, a polyphase matrix is a matrix whose elements are filter masks. It r
- Polyphase systemMeans of distributing alternating-current electrical power
- Ponmudi DamDam in Kerala, India
- Portable engineEarly engine which could be easily moved between work sites
- Posted oil priceThe posted price of oil was the price at which oil companies offered to purchase oil from
- Power cableBundle of wires for transmitting electricity
- Power distribution unitData center power strip
- Power outageLoss of electric power to an area
- Power System Operation CorporationGrid Controller of India Limited (GRID-INDIA) is a division of the Ministry of Power, Gove
- Power system operations and controlPower plant operation
- Power system protectionBranch of electrical power engineering
- Power transmissionMovement of energy from its source to where it can be applied
- Power-flow studyNumerical analysis of electric power flow
- Power-system automationPower-system automation is the act of automatically controlling the power system via instr
- Power-to-gasProcess to convert electric power into hydrogen or methane
- Power-to-XStoring surplus electricity production in chemical form
- PowershipFloating power station
- PowerwallA powerwall is a large, ultra-high-resolution display that is constructed of a matrix of o
- Pre-salt layerThe pre-salt layer is a diachronous series of geological formations on the continental she
- Predicting the timing of peak oilPredicting the timing of peak oil involves estimation of future production from existing o
- Prelude FLNGFloating liquefied natural gas platform
- Pressurized heavy-water reactorNuclear reactor design
- Pressurized water reactorType of nuclear reactor
- Price of oilSpot price of a barrel of benchmark crude oil
- PrignitzPrignitz (German: ) is a Kreis (district) in northwestern Brandenburg, in northeastern Ger
- Primary energyEnergy form not subjected to any human conversion process
- Priobskoye fieldOil field in Khanty-Mansia, Russia
- Prism lightingUse of prisms to improve lighting
- Private Fuel StorageConsortium to store spent nuclear fuel
- ProcessionOrganized body of people walking in a formal or ceremonial manner
- Producer gasProducer gas is fuel gas that is manufactured by blowing through a coke or coal fire with
- Project Oilsand1958 proposal to exploit oil sands in Alberta
- PropellantChemical substance used for propulsion
- Protective relayDevice to trip a circuit breaker when a fault is detected
- Proton-exchange membrane fuel cellPower generation technology
- Prudhoe Bay Oil FieldLarge Alaskan oil field
- Prudhoe Bay, AlaskaCensus-designated place in Alaska
- Public opinion on nuclear issuesPublic opinion on nuclear issue is the aggregate of attitudes or beliefs held by the adult
- Public oppositionPublic opposition describes a form of social activity that deliberately opposes establishm
- Public schemes for energy efficient refurbishmentPublic plans for energy efficient refurbishment are put in place by states to encourage bu
- Public Utility Regulatory Policies ActThe Public Utility Regulatory Policies Act (PURPA, Pub. L.Tooltip Public Law (United State
- Pulverized coal-fired boilerType of boiler
- Pumped-storage hydroelectricityElectric energy storage system
- PumpjackDrive for a reciprocating piston pump in an oil well
- Puna Geothermal VentureGeothermal power plant in Hawaii
- Punto FijoPunto Fijo is the capital city of the municipality of Carirubana in northern Falcón State,