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The 44 pages that link to Geothermal energy, each with the reason it gives.

• Renewable energyBroader topic: Geothermal plants draw on heat that is continually replenished inside Earth.

• VolcanismRelated: Volcanic heat can make geothermal resources accessible near the surface.

• Hydrothermal circulationRelated: Engineered systems harness heat carried by fluids in hot rock.

• Hydrothermal alterationRelated: Alteration minerals can map fluid pathways and temperatures in geothermal reservoirs.

• KyushuRelated: Kyushu’s volcanic activity provides substantial resources for geothermal development.

• Volcanic craterRelated: Crater environments can reveal concentrated subsurface heat, though they are hazardous to develop.

• Induced seismicityRelated: Fluid circulation in enhanced geothermal systems can trigger earthquakes.

• SunCompared with: It provides a terrestrial energy source independent of incoming sunlight.

• RhyoliteRelated: Rhyolitic volcanic systems can host hot reservoirs and heat sources relevant to geothermal exploration.

• Great Rift ValleyRelated: Rift-related heat and fractures make parts of the region suitable for geothermal power.

• GermaniumCompared with: Despite its name, germanium is an element; it is unrelated to geothermal energy.

• Solar thermal energyCompared with: Geothermal systems supply heat from underground, unlike solar thermal systems’ variable surface resource.

• Geothermal gradientNarrower topic: Subsurface gradients help identify regions where heat can support useful energy production.

• Hot springNarrower topic: This internal heat warms groundwater beneath hot springs.

• Solar energyCompared with: Geothermal energy relies on subsurface heat rather than incoming solar radiation.

• Reservoir rockRelated: Permeable reservoirs can provide fluid pathways for extracting subsurface heat.

• Intermittent renewable energyCompared with: Geothermal plants can supply steady renewable power without depending on daily weather.

• PetrologyRelated: Rock types and alteration constrain underground heat flow and reservoir conditions.

• Central American Volcanic ArcRelated: Arc-related heat powers geothermal facilities, notably in El Salvador and Nicaragua.

• Radiogenic heatRelated: Radiogenic heat is one source of the subsurface warmth exploited by geothermal systems.

• AnhydriteRelated: Anhydrite deposits can occur in geothermal systems and affect their mineral scaling.

• BoreholeRelated: Boreholes can access hot water or rock for geothermal systems.

• Enhanced geothermal systemNarrower topic: Enhanced systems are one engineered way to access this broad energy resource.

• Afar RegionRelated: Afar’s volcanism and high subsurface heat create potential for geothermal development.

• Andean Volcanic BeltRelated: The belt’s volcanic heat creates geothermal resources, though development remains uneven.

• FumaroleRelated: The heat driving fumaroles belongs to the same underground resource used by geothermal systems.

• Igneous intrusionRelated: Hot intrusions can provide heat to groundwater systems and geothermal resources.

• Japanese island arcRelated: Japan’s volcanic heat creates geothermal resources, though development faces land-use and environmental constraints.

• Taupō Volcanic ZoneRelated: Shallow magma and hot fluids make the zone a major source of geothermal energy.

• Pull-apart basinRelated: Faults and deep circulation in some basins can provide pathways for geothermal fluids.

• Salton SeaRelated: Geothermal plants near the lake provide an energy source and produce lithium-bearing brines.

• São Miguel IslandRelated: São Miguel uses underground volcanic heat to generate electricity and support local industry.

• Dieng PlateauNarrower topic: Dieng’s underground heat supports geothermal power generation.

• Guarani AquiferRelated: Warm groundwater from deep parts of the system can serve thermal uses.

• Old FaithfulCompared with: Unlike commercial geothermal sites, Yellowstone’s protected hydrothermal features are not developed for energy.

• StrokkurRelated: Underground heat powers the hot water driving Strokkur’s eruptions.

• Earth's internal heat budgetRelated: Some heat escaping from Earth's interior can be captured for electricity or direct heating.

• Energy sourceRelated: Geothermal systems draw on heat produced and stored inside Earth.

• Flows in porous mediaRelated: Geothermal systems circulate fluid through permeable rock to extract subsurface heat.

• Hammam MaskhoutineNarrower topic: Underground heat powers the springs and sustains their high temperatures.

• MenengaiRelated: Heat from Menengai’s volcanic system is being developed to generate electricity.

• Mount PapandayanRelated: Papandayan’s hot ground and gas vents reveal geothermal heat near the surface.

• OnsenNarrower topic: This underground heat raises spring water to bathing temperatures.

• Sustainable energyBroader topic: Geothermal resources can provide steady heat and power with low emissions.