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P4 reactor
The P4 reactor is a French 1,300 MWe pressurized water reactor design developed by Framatome with EDF, built in P4 and P'4 versions, all 20 units still operating.
PAA binder
PAA binder is poly(acrylic acid), a water-soluble polymer whose carboxyl groups bond strongly to silicon particles, serving as a binder in lithium-ion battery silicon anodes.
Pacassa Oil Field
Pacassa Oil Field (Campo de Pacassa) is a conventional oil field in shallow water offshore Angola, discovered by Elf in 1982 and producing from Cretaceous Pinda carbonate reservoirs.
Pachhwara (North) Coal Mine
Pachhwara (North) Coal Mine is an opencast coal mine in the Rajmahal coalfield in Pakur district, Jharkhand, India, owned by WBPDCL and reopened in 2019 after reallocation.
Pachhwara Central Coal Mine
Pachhwara Central Coal Mine is a captive open-cast coal mine in Pakur district, Jharkhand, India, owned by Punjab State Power Corporation Limited in the Rajmahal coalfield.
Pacific DC Intertie
The Pacific DC Intertie, also known as the Pacific Direct Current Intertie, is a high-voltage direct current power line linking Oregon to Los Angeles, completed in 1970.
Pacific Fusion
Pacific Fusion is an American fusion energy startup founded in 2023 and based in Fremont, California, that is developing pulser-driven inertial fusion and targeting net energy gain by 2030.
Pacific Gas and Electric Company
Pacific Gas and Electric Company, known as PG&E, is a California utility, incorporated in 1905 and headquartered in Oakland, serving about 16 million people across northern and central California.
Pacific Northwest Hydrogen Hub
The Pacific Northwest Hydrogen Hub (PNWH2) was a federally selected clean hydrogen hub spanning Washington, Oregon, and Montana, with up to $1 billion in funding that the Department of Energy canceled in October 2025.
Packer (oil well tool)
A packer is a downhole device that expands to seal the wellbore annulus in oil and gas wells, isolating zones for controlled production, injection, or treatment.
PacWave
PacWave is a wave energy testing facility operated by Oregon State University off Newport, Oregon, with two sites; its grid-connected South site is the first of its kind on the continental US grid.
Paducah Gaseous Diffusion Plant
The Paducah Gaseous Diffusion Plant is a former uranium enrichment facility in McCracken County, Kentucky, that enriched uranium by gaseous diffusion from 1952 to 2013.
Pagbilao power station
The Pagbilao power station is a coal-fired power station on Isla Grande in Pagbilao, Quezon, Philippines, supplying baseload electricity to the Luzon grid since the mid-1990s.
Paimpol-Bréhat tidal energy test site
The Paimpol-Bréhat tidal energy test site, launched by EDF in 2008, is a grid-connected facility off Brittany, France, for testing full-scale tidal turbines like OpenHydro and OceanQuest.
Paiton Power Station
Paiton Power Station is a coal-fired power generation complex in Probolinggo Regency, East Java, Indonesia. Its eight units supply about 60 percent of East Java's electricity.
Paiton-1 power station
Paiton-1 power station is a 1,230 MW coal-fired power plant at Paiton in East Java, Indonesia, whose two 615 MW units entered commercial operation in 1999, owned and operated by PT Paiton Energy.
Paiton-2 power station
Paiton-2, also called Paiton II, is a two-unit coal-fired power station at Paiton, Probolinggo, East Java, Indonesia, owned by PT Jawa Power and selling to PLN.
Paju power station
Paju power station refers to two separate gas-fired power plants in Paju, South Korea: a 515 MW combined heat and power plant and a 1,800 MW LNG combined-cycle plant.
Paka Repowering
Paka Repowering is a project by Malaysia's utility Tenaga Nasional Berhad to build a 1,400 MW hydrogen-ready combined cycle gas turbine plant at Paka, Terengganu.
Pakistan Atomic Energy Commission
The Pakistan Atomic Energy Commission (PAEC) is the national body responsible for atomic energy in Pakistan, owning and operating its nuclear power plants and research institutes.
Pakistan Petroleum
Pakistan Petroleum Limited (PPL) is a Pakistani oil and gas exploration company, incorporated in 1950, that operates the Sui gas field and supplies about 20 percent of Pakistan's natural gas.
Pakri Barwadih Coal Mine
The Pakri Barwadih Coal Mine is an opencast captive coal mine in Hazaribagh district, Jharkhand, India, operated by NTPC, which was allotted the block in October 2004.
Paks nuclear power plant
The Paks nuclear power plant is Hungary's only nuclear power station, with four Soviet-designed VVER-440 reactors on the Danube about 100 km south of Budapest.
Paladin Energy
Paladin Energy is an independent uranium mining company based in Perth, Australia, best known for owning 75% of the Langer Heinrich Mine in Namibia, restarted in 2024.
Palagua Oil and Gas Field
The Palagua Oil and Gas Field is an oil field in the Middle Magdalena Valley Basin of Colombia near Puerto Boyacá, discovered in 1954 and operated by Ecopetrol.
Palanca Oil Field
The Palanca Oil Field is an offshore oil field about 37 km off Angola, discovered in 1981 with first oil in 1985 and developed by Elf Aquitaine.
Palisades Nuclear Power Plant
The Palisades Nuclear Power Plant is a pressurized water reactor in Covert Township, Michigan, on Lake Michigan, which operated commercially from 1971 until May 2022.
Palladium hydride
Palladium hydride is a non-stoichiometric compound formed when palladium metal absorbs hydrogen into its face-centered cubic lattice, with a hydrogen-to-palladium ratio varying continuously with pressure and temperature.
Palmito Oil and Gas Field
Palmito (Campo Palmito) is an onshore natural gas field in the Burgos Basin of Nuevo León, Mexico, operated by Pemex and producing since 1965, peaking in 2012.
Palo Verde Nuclear Generating Station
Palo Verde Nuclear Generating Station, also known as PVNGS, is a nuclear power plant in Maricopa County, Arizona, west of Phoenix, operated by Arizona Public Service.