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Gresik power station
Gresik power station is a gas-fired power plant in Gresik, East Java, Indonesia, owned by state utility PLN and supplying about 5% of the Java-Bali grid.
Grid Development Plan (Germany)
The Grid Development Plan (Netzentwicklungsplan Strom, NEP) is Germany's national plan for optimizing and expanding its extra-high voltage transmission grid, drawn up by the four transmission system operators.
Grid energy storage
Grid energy storage, also called grid-scale storage, captures electricity produced at one time and returns it to the grid later, using technologies such as pumped hydro and batteries.
Grid frequency
Grid frequency is the rate at which alternating current in a power system oscillates, 60 Hz in North America and 50 Hz in most of the world.
Grid parity
Grid parity, also called socket parity, is the point at which solar electricity costs the same as or less than grid electricity, marking solar's economic competitiveness.
Grid-following inverter
A grid-following inverter is a power converter that synchronizes to the existing grid voltage and injects current, the dominant control for solar, wind, and battery inverters.
Grid-forming inverter
A grid-forming (GFM) inverter is a power converter that sets its own output voltage and frequency rather than following the grid, supporting stability in solar, wind, and battery plants.
Grid-Interactive Efficient Buildings
A grid-interactive efficient building (GEB) is an energy-efficient building that uses smart controls and on-site resources like solar and storage to adjust electricity use, helping the grid and cutting costs.
GridBeyond
GridBeyond, formerly Endeco Technologies, is a Dublin-headquartered smart energy company founded by Michael Phelan whose AI platform provides demand response, battery storage optimization, and virtual power plant services.
Gridiron Energy, LLC
Gridiron Energy, LLC is a Delaware holding company formed in 2017 as an acquisition vehicle for the power firm LS Power, raising $900 million in a single equity placement.
GridPoint
GridPoint is an American clean energy company founded in 2003 and headquartered in Arlington, Virginia, providing energy management and automated demand response software for commercial buildings.
Grimsel Test Site
The Grimsel Test Site is an underground rock laboratory in the Swiss Alps, operated by Nagra since 1984 to research the geological disposal of radioactive waste.
Grohnde nuclear power plant
The Grohnde nuclear power plant (Kernkraftwerk Grohnde) was a pressurized water reactor at Emmerthal near Hameln, Germany, generating electricity from 1985 until its 2021 shutdown.
Groningen Gas Field
The Groningen gas field is a natural gas field in the Netherlands, discovered in 1959 near Slochteren and the largest known in Europe, producing from 1963 to 2023.
Grootegeluk Coal Mine
Grootegeluk Coal Mine is a large multi-seam, open-pit coal mine in the Waterberg Coalfield near Lephalale, Limpopo, South Africa, owned by Exxaro Resources and producing coal since 1980.
Grootvlei power station
Grootvlei power station is a coal-fired power station near Balfour in Mpumalanga, South Africa, owned by Eskom, with six 200 MW units commissioned between 1969 and 1977.
Grosvenor Coal Mine
The Grosvenor Coal Mine is an underground coking coal mine near Moranbah in Queensland's Bowen Basin, developed by Anglo American and first producing coal in 2016.
Ground and neutral
Ground and neutral are two distinct conductors in electrical wiring: the neutral carries current back to the source, while the ground provides a safe fault-current path.
Ground fault
A ground fault is an unintended electrical connection between an energized conductor and ground, letting current escape its normal path, sometimes through a person, and can start fires in solar arrays.
Ground screw (solar mounting)
A ground screw is a steel foundation element with helical plates, screwed into the soil to anchor solar PV arrays without concrete, excavation, or curing time.
Ground-source heat pump
A ground-source heat pump (GSHP), also called a geothermal heat pump, is a heating and cooling system that exchanges heat with the ground through buried pipes.
Growth Energy
Growth Energy is a Washington, D.C.-based trade association representing U.S. ethanol producers, founded in 2008, whose members produce more than half of American bioethanol and which lobbies on the Renewable Fuel Standard and E15 gasoline.
Grupo Albanesi
Grupo Albanesi is an Argentine business group founded in 1929 that generates electric power and trades natural gas, operating ten thermal plants in Argentina and Peru.
Gryazovets-Leningrad Gas Pipeline
The Gryazovets-Leningrad Gas Pipeline (Russian: Газопровод Грязовец — Ленинград) is a Gazprom trunk pipeline, 609 km per string, carrying gas from Gryazovets in Vologda Oblast to Saint Petersburg.
Gryazovets-Volkhov-Slavyanskaya Gas Pipeline
The Gryazovets-Volkhov-Slavyanskaya Gas Pipeline, also called Gryazovets-Ust Luga, is an operating onshore natural gas trunk pipeline in Russia, built by Gazprom from 2018 to feed Nord Stream 2.
Gryazovets-Vyborg Gas Pipeline
The Gryazovets-Vyborg Gas Pipeline (Russian: газопровод «Грязовец — Выборг») is a Gazprom trunk pipeline about 917 kilometers long, from Gryazovets to Vyborg, feeding Nord Stream and northwestern Russia, commissioned from 2011.
GS Yuasa Corporation
GS Yuasa Corporation (GSユアサ株式会社) is a Kyoto-based Japanese battery manufacturer formed in 2004 by the merger of Japan Storage Battery and Yuasa Corporation, ranking second worldwide in automotive lead-acid batteries.
GTL base oil
GTL base oil is a synthetic paraffinic lubricant base oil made from natural gas rather than crude oil, commercialized by Shell and classified as API Group III.
Guadalajara Gas Pipeline
The Guadalajara Gas Pipeline is the name for two natural gas transmission systems serving Guadalajara, Jalisco, Mexico: the Manzanillo–Guadalajara line completed in 2011 and the Villa de Reyes–Aguascalientes–Guadalajara line in service since 2020.
Guadalupe 4 hydroelectric plant
Guadalupe 4 (Central Hidroeléctrica Guadalupe IV) is a 216 MW hydroelectric plant on the Guadalupe River in Antioquia, Colombia, owned by EPM and in commercial operation since 1985, averaging 1,205 GWh a year.