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Rhyolite Ridge
Rhyolite Ridge is a proposed open-pit lithium-boron mine in Esmeralda County, Nevada, developed by Australia-based Ioneer, producing lithium carbonate for EV batteries and boric acid.
Rice husk
Rice husk (rice hull) is the outer shell of the rice grain, removed during milling and widely burned as biomass fuel or used for silica.
Rice straw
Rice straw is the stalk and leaf residue left in fields after rice harvest, one of the world's largest agricultural residue streams, often burned or incorporated into soil.
Richard E. Balzhiser
Richard E. Balzhiser (1932–2012) was an American chemical and nuclear energy engineer who led the Electric Power Research Institute as president and CEO from 1988 to 1996.
Richard J. Stegemeier
Richard J. Stegemeier was an American petroleum engineer who spent 45 years at Unocal, rising from its first research engineer in Brea, California to chairman, president, and CEO.
Richard P. O'Neill
Richard P. O'Neill is an American energy economist at ARPA-E who was elected to the National Academy of Engineering in 2022 for designing natural gas and electricity markets.
Richfield Oil Corporation
Richfield Oil Corporation was an American oil company based in Los Angeles that operated on the West Coast until its 1966 merger into Atlantic Richfield Company (ARCO).
Right-of-way (transmission)
A right-of-way in electric power transmission is the strip of land under a transmission line over which the utility holds rights to build, operate, and maintain the line.
Rihand converter station
The Rihand converter station is the sending-end terminal of the Rihand–Dadri HVDC link, a 1,500 MW system carrying power from Uttar Pradesh toward Delhi since 1990.
Rihand power station
Rihand power station, also known as Rihand Super Thermal Power Station, is a 3,000 MW NTPC coal-fired power station at Rihandnagar in Sonebhadra district, Uttar Pradesh, India.
RIIO-T3
RIIO-T3 is the price control set by the British regulator Ofgem for Great Britain's electricity and gas transmission networks, running from April 2026 to March 2031 as the transmission part of the RIIO-3 round.
Ring Energy
Ring Energy, Inc. is an American oil and gas exploration and production company developing conventional Permian Basin assets in West Texas and Southeast New Mexico.
Ring main unit
A ring main unit (RMU) is a compact, factory-assembled switchgear unit used at load points of a ring distribution network, typically rated 11 to 24 kV.
Ringhals nuclear power plant
Ringhals is a Swedish nuclear power plant on the Värö peninsula, about 60 kilometers south of Gothenburg, where two pressurized water reactors produce around 17 TWh per year.
Ringhorne oil field
Ringhorne is an oil field in the Norwegian sector of the North Sea, in the southern Viking Graben, producing since 2003 from a platform and operated by Vår Energi.
Rio Bravo Pipeline
The Rio Bravo Pipeline is a proposed natural gas pipeline system in South Texas, running from the Agua Dulce hub to NextDecade's Rio Grande LNG terminal in Brownsville.
Rio Grande LNG
Rio Grande LNG is a natural gas export facility under construction at the Port of Brownsville, south Texas, developed by NextDecade, with first LNG expected in 2027.
Rio Urucu Oil and Gas Field
Rio Urucu is an onshore oil and natural gas field in the Solimões Basin of the Brazilian Amazon, discovered by Petrobras in 1986 in Coari, Amazonas.
Risavika LNG Terminal
Risavika LNG Terminal, also known as the Stavanger LNG Terminal, is an operating small-scale LNG liquefaction and export terminal at the Port of Risavika near Stavanger, Norway.
River Bend nuclear power plant
River Bend Station is a nuclear power plant near St. Francisville, Louisiana, operated by Entergy with a single boiling water reactor cooled by the Mississippi River.
River View Coal Mine
River View Coal Mine is an underground bituminous coal mine in Union County, Kentucky, owned by Alliance Coal and producing about 9 million tons in 2024.
Riviera power station
The Riviera power station is a 1,250 MW natural gas-fired combined-cycle plant in Riviera Beach, Florida, owned by Florida Power & Light and opened in 2014.
Rivne nuclear power plant
The Rivne nuclear power plant (RNPP, Ukrainian Рівненська АЕС) is a four-unit nuclear power station in Rivne oblast, northwestern Ukraine, and the first in Ukraine to use VVER-440 reactors.
Riyadh 10 power plant
The Riyadh 10 power plant, also known as PP10, is a 3,520 MW natural gas-fired combined-cycle power station in Riyadh, Saudi Arabia, owned by Saudi Electricity Company.
Riyadh 12 power plant
Riyadh 12 power plant, also known as PP12, is a 2,175 MW combined-cycle gas-fired power station in Riyadh Province, Saudi Arabia, owned by the Saudi Electricity Company.
Riyadh 7 power plant
Riyadh 7 power plant, also known as the Seventh Power Plant, is a 1,315-megawatt gas-fired power station in Riyadh, Saudi Arabia, owned by the Saudi Electricity Company.
Riyadh 8 power plant
Riyadh 8 power plant, also known as Riyadh PP8, is a gas-fired power station of at least 2,089 MW in Riyadh, Saudi Arabia, owned by the Saudi Electricity Company.
Riyadh 9 power plant
The Riyadh 9 power plant, PP9, is a multi-fuel gas-turbine power station operated by the Saudi Electricity Company, about 54 km east of Riyadh on the Dammam road.
Riyadh City-13 power station
Riyadh City-13 power station, also known as PP13, is a 1,800-megawatt natural gas power station in Saudi Arabia, owned by Saudi Electricity Company and opened in 2020.
Riyadh City-14 power station
Riyadh City-14 power station (PP14) is a natural-gas-fired combined cycle power station of about 1,980 MW about 45 km south-east of Riyadh, Saudi Arabia, owned by Saudi Electricity Company.