Thermal energy generated and stored in the earth



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Geothermal energy is the heat from the Earth. This heat can come from molten rock (“magma”) deep inside the earth, or very hot rock and ground water a few miles below the Earth’s surface, and can be used for direct heating or to produce electricity through a steam turbine.

Geothermal energy is an excellent renewable resource that can generate substantial amounts of power, while producing minimal greenhouse gas emissions. Read>
The ground under our feet maintains a nearly constant temperature between 50° and 60°F year-round. Large bodies of water, such as oceans or lakes, also tend to keep a fairly even temperature year round. Ground-source heat pumps can tap into these steady resources to heat and cool buildings.Read>
District energy systems provide heating and cooling to multiple buildings from a central energy plant. District energy is highly energy efficient and can facilitate the use of renewable energy.Read>