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Energy technology

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Rajagopal S. Raghavan

Rajagopal S. Raghavan is a petroleum reservoir engineer known for well test analysis, who retired from Phillips Petroleum in 2002 and joined the National Academy of Engineering in 2004.

Rajani Gas Field

The Rajani Gas Field is a producing non-associated gas field in Sindh Province, Pakistan, operated by United Energy Pakistan Limited, producing 114 MMCFD in 2019-20.

Rajasthan Atomic Power Station

The Rajasthan Atomic Power Station (RAPS) is a nuclear power plant at Rawatbhata, Rajasthan, India, whose first unit, India's first pressurized heavy water reactor, began operation in 1973.

Rajasthan Rajya Vidyut Utpadan Nigam

Rajasthan Rajya Vidyut Utpadan Nigam Limited, also known as RRVUNL, is the Government of Rajasthan's electricity generation company, created in 2000, operating coal, gas, lignite, and hydro stations totaling 8,591.5 MW.

Rajiv Gandhi Thermal Power Project

The Rajiv Gandhi Thermal Power Project is a 1,200 MW coal-fired power station at Khedar near Barwala in Hisar district, Haryana, with two 600 MW units commissioned in 2010.

Rajmahal Coal Mine

The Rajmahal Coal Mine is a large opencast coal mine at Lalmatia in Godda district, Jharkhand, India, operated by Eastern Coalfields Limited, a Coal India subsidiary.

Rajpura Thermal Power Project

The Rajpura Thermal Power Project is a 1,400 MW coal-fired power station near Rajpura in Punjab, India, owned by Nabha Power Limited and commissioned in 2014.

Ralph D. Masiello

Ralph D. Masiello is an electric power systems engineer and National Academy of Engineering member who led analysis behind California's 2013 mandate to procure 1,325 megawatts of storage.

Ramaco Resources

Ramaco Resources is an American coal mining company in West Virginia and Virginia, founded by Randall Atkins in 2011, now developing rare earths at its Brook Mine in Wyoming.

Ramadan oil field

The Ramadan oil field is an offshore oil field in the central Gulf of Suez, Egypt, discovered in 1974 with reserves of several hundred million barrels and operated by GUPCO.

Ramagundam power station

Ramagundam Super Thermal Power Station is a 2,600 MW coal-fired power station owned by NTPC Limited at Ramagundam in Telangana, India, commissioned from 1983 onward.

Ramat Hovav power station

Ramat Hovav power station, also known as Orot Yosef, is a roughly 1,137 MW gas-fired power plant in southern Israel, built by Israel Electric and sold in 2020.

Ramin power station

Ramin power station (نیروگاه حرارتی رامین), or Ramin Thermal Power Plant, is a 1,850 MW gas- and oil-fired steam power station in Khuzestan Province, Iran, near Ahvaz.

Ramos Oil and Gas Field

The Ramos Oil and Gas Field is a mature natural gas and condensate field in northern Salta Province, Argentina, discovered in 1974 and operated since 2024 by Tecpetrol.

Ramp rate

Ramp rate is the speed at which a generator's power output changes over time, usually as %/min or MW/min. Grid codes limit it to tame cloud-driven solar variability.

Ramshir oil field

The Ramshir oil field is an onshore oil field in Khuzestan province, southwest Iran, southeast of Ahvaz, discovered in 1961 and producing from the Asmari Formation.

Rance Tidal Power Station

The Rance Tidal Power Station (usine marémotrice de la Rance) is a tidal barrage across the Rance estuary in Brittany, France, the world's first industrial-scale tidal power station.

Rancho Seco nuclear power plant

Rancho Seco was a 913-megawatt pressurized water reactor near Sacramento owned by SMUD, which operated from 1975 until voters ordered its shutdown in June 1989.

Ranger Energy Services

Ranger Energy Services is a Houston-based provider of high-specification well service rigs, wireline, and ancillary services, trading on the NYSE under RNGR since its 2017 IPO.

Ranger Uranium Mine

The Ranger Uranium Mine was an open-cut uranium mine near Jabiru in the Northern Territory, Australia's longest continually operating uranium mine, which produced over 132,000 tonnes of uranium ore concentrate before closing in 2021.

Raniganj coalfield

The Raniganj coalfield is a coal-mining region in Paschim Bardhaman district, West Bengal, India, and the country's oldest coalfield, with commercial mining begun in 1774.

Raphia oil field

The Raphia oil field is an operating onshore oil field in Chad's Bongor Basin, operated and 90 percent owned by CNPC and 10 percent by Chad's state oil company.

Rapid gas decompression

Rapid gas decompression, also called explosive decompression, is a failure mode of elastomeric seals where dissolved gas expands faster than it can diffuse out, causing blisters and cracking.

Rapid shutdown

Rapid shutdown (RSD) is a National Electrical Code safety requirement, in effect since 2014, requiring rooftop solar array conductors to drop to safe voltage limits within seconds so firefighters avoid electrocution.

Rapsodie

Rapsodie was France's first experimental sodium-cooled fast neutron reactor, built at the CEA's Cadarache center and operated from 1967 to 1983 to test fuels for Phénix and Superphénix.

Ras Abu Fontas power plant

The Ras Abu Fontas power plant is a gas-fired power and water desalination complex on Qatar's coast about 15 km south-east of central Doha, generating electricity since 1977.

Ras Al-Khair power plant

The Ras Al-Khair power plant is a 2,400 MW power and water plant at Ras Al-Khair, Saudi Arabia, inaugurated in 2014 to supply the Ma'aden complex and the national grid.

Ras Djinet power plant

Ras Djinet power plant, also called Cap Djinet, is a gas-fired power station on Algeria's Mediterranean coast near Boumerdès, supplying electricity to the grid since 1986.

Ras Fanar oil field

Ras Fanar is an offshore oil field in the Gulf of Suez, Egypt, about 3.5 km east of Ras Gharib, producing from the Nullipore carbonate reservoir since 1984.

Ras Ghareb wind farm

The Ras Ghareb wind farm is a 262.5 MW onshore wind farm near Ras Ghareb on Egypt's Gulf of Suez coast, Egypt's first privately financed wind farm, commissioned in 2019.