An ATES system uses the aquifer to buffer seasonal reversals in heating and cooling demand. ATES can serve as a cost-effective technology to replace fossil fuel-dependent systems and associated CO 2 emissions. . Aquifer thermal energy storage (ATES) is the storage and recovery of thermal energy in subsurface aquifers. Groundwater that is. . ATES is an innovative open-loop geothermal technology. In summer, the excess heat from gas or coal fired power plants, from solar plants or from cogeneration plants is transferred vi heat exchangers to the cold groundwater. ATES addresses the seasonal mismatch between when thermal energy is available or. . This study proposes a component-based model of a heating and cooling system comprised of an Aquifer Thermal Energy Storage (ATES) and a heat pump system for a commercial building, developed using Open Modelica. The heating system is divided into the following sub-models: water-to-water heat pump. .
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