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OPET (fuel company)
OPET is a Turkish fuel distribution company founded in 1992 by Fikret and Nurten Öztürk, half owned by Koç Group, with about 1,882 stations under the OPET and SUNPET brands.
OPIS Conway
OPIS Conway, also written Conway In-Well, is the daily spot price assessment for propane at the Conway, Kansas hub, published by OPIS and settling exchange-traded futures.
Opole power station
The Opole power station (Elektrownia Opole) is a hard coal-fired power station near Opole, Poland, operated by PGE with about 3,300 MW of capacity, among the largest coal plants in Poland.
Opportunity charging
Opportunity charging is recharging battery-electric vehicles with short, high-power top-ups during dwell times already built into their schedules, at stops or termini, letting buses and trucks use smaller batteries.
OPR-1000
The OPR-1000, originally called the Korean Standard Nuclear Power Plant (KSNP), is a South Korean 1,000 MWe two-loop pressurized water reactor developed from 1984 to 1999.
Optical current transformer
An optical current transformer is a power-system device that measures current via the Faraday effect on polarized light, offering no core saturation and a wide dynamic range.
Optical ground wire
Optical ground wire (OPGW), also called optical fiber composite overhead ground wire, is a metallic cable at the top of transmission towers that shields against lightning while carrying optical fibers, in regular use since the mid-1980s.
Optimum Coal Mine
Optimum Coal Mine is a large opencast and underground thermal coal mine at Pullenshope in Mpumalanga, South Africa, opened in 1971 to supply Hendrina Power Station.
Orana gas field
Orana is a coal seam gas field in the Surat Basin of southern Queensland, producing gas from the Walloon Coal Measures as part of the Australia Pacific LNG project.
Orange and Rockland Utilities
Orange and Rockland Utilities is a regulated electric and gas utility headquartered in Pearl River, New York, serving New York City's northwestern suburbs and northern New Jersey.
Orange County Advanced Power Station
The Orange County Advanced Power Station (OCAPS) is a 1,215-megawatt natural gas-fired combined cycle power plant Entergy Texas is building in Orange, Texas, at its existing Sabine Plant site.
OranjeWind
OranjeWind is a 795 MW offshore wind farm under construction in the Dutch North Sea, developed by RWE and TotalEnergies for operation by early 2028.
Orano
Orano is a French nuclear fuel-cycle company, majority owned by the French state, that covers uranium mining, conversion, enrichment, spent-fuel recycling, dismantling, and medical isotopes.
ORBIG Pipeline
The ORBIG Pipeline is a 123 km crude oil pipeline in Rio de Janeiro, Brazil, operated by Transpetro since 1977, supplying refineries from Angra dos Reis.
Orbital Marine Power
Orbital Marine Power is a Scottish engineering company, headquartered in Orkney, that develops floating tidal stream turbines; its O2 turbine has generated grid power at EMEC since 2021.
Orca Energy Group
Orca Energy Group, until 2020 Orca Exploration Group, is a natural gas company incorporated in the British Virgin Islands that operates the Songo Songo gas field offshore Tanzania.
Ordos Power Qipanjing power station
Ordos Power Qipanjing power station is a coal-fired power station in Qipanjing Town, Ordos, Inner Mongolia, China, built from 2003 as the captive power supply for the Qipanjing Industrial Park.
Ordos-Anping-Cangzhou Gas Pipeline
The Ordos-Anping-Cangzhou Gas Pipeline (鄂安沧输气管道) is a Sinopec natural gas transmission system in northern China, 2,293 kilometers long with a capacity of 30 billion cubic meters per year, first commissioned in November 2018.
Oredo gas field
The Oredo gas field is an onshore oil and gas field near Benin City, Edo State, Nigeria, the first onshore field developed by NNPC's subsidiary NPDC in 1996.
Orekhovo-Yermakovskoye Oil Asset
Orekhovo-Yermakovskoye field (Орехово-Ермаковское месторождение) is a mature, low-permeability oil field in West Siberia, 33 km northeast of Nizhnevartovsk, revived since 2016 by horizontal drilling, multistage fracturing, and gel-based enhanced oil recovery.
Orenburg-Novopskov Gas Pipeline
The Orenburg-Novopskov Gas Pipeline is a 1,230 km gas pipeline built in the 1970s, running from Orenburg, Russia through Kazakhstan to Novopskov, Ukraine, owned by Gazprom and QazaqGaz.
Ores (utility)
ORES (Opérateur de Réseaux d'Energies) is a Belgian utility that manages electricity, natural gas, and public lighting networks across about 75 percent of Wallonia's municipalities, serving roughly 1.5 million customers.
Organic carbonyl cathodes
Organic carbonyl cathodes are battery electrodes built from carbonyl compounds, such as quinones, that store charge for lithium, sodium, and potassium cells with high capacity and renewability.
Organic flow battery
An organic flow battery is a redox flow battery storing energy in carbon-based organic molecules instead of metal ions, promising cheaper, tunable chemistry than vanadium systems.
Organic radical battery
An organic radical battery (ORB) is a rechargeable battery that uses nitroxide radical polymers such as PTMA instead of lithium-ion intercalation, allowing very fast charging.
Organic Rankine cycle
The Organic Rankine cycle (ORC) converts heat into power using an organic fluid with a lower boiling point than water, suited to sources from 80 to 300 °C.
Organic solar cell
An organic solar cell, also called an organic photovoltaic (OPV) device, is a solar cell that converts light to electricity using carbon-based semiconductors, with certified efficiencies now above 20%.
Organic tandem solar cell
An organic tandem solar cell (OTSC) is a photovoltaic device stacking two or more organic subcells that absorb different parts of the solar spectrum, first demonstrated in 1990.
Organic thermoelectric generator
An organic thermoelectric generator (OTEG) is a solid-state device that converts low-grade heat into electricity using flexible, printable organic semiconductors, aimed chiefly at wearable energy harvesting and Internet-of-Things sensors.
Origin Materials
Origin Materials is an American sustainable-materials company in West Sacramento, California, founded in 2008 to convert cellulosic biomass into the chemical CMF, later pivoting to recyclable PET bottle caps.