Italy

2013

Environmental benefit

CO2 emissions reduction

Geothermal energy as the solution for small villages in Italy

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The Brescia Province (Italy) is an area with major superficial aquifers and geological irregularity. This allows the exploitation of a geothermal source. Analysis of the results achieved by Cogeme SpA in the research of deep geothermal fluids and in the prototyping of “cold district heating” network systems allowing a rational use of groundwater for energy purposes.

“Cold District heating” allows the transfer of a geothermal resource from the area of pumping and storage, toward revamping thermal plants which supply existing buildings, thus solving the typical issues concerning the use of renewable energy sources in old town centres, in areas with few common spaces, in contexts subject to an environmental, historical and architectural constraint of protection or to strict acoustic zoning “Cold District Heating” can represent a simple, rapid, noninvasive and “renewable” way to revamp heat production plants.

It is a valid answer to the energy needs of those small urban centers in the Brescian Region which are interested in reaching the energy efficiency of their buildings but, which cannot find a valid solution in the conventional District Heating, because of the limited dimension of their catchment area. An interesting example is the town of Berlingo (2700 inhabitants), where a geothermal power plant serves the heating and cooling demand of a new school building that was constructed in 2013. The water is pumped from the aquifer at 11–15 ◦C and then sent through one pipeline to heat pumps and chillers that use it to simultaneously produce hot and cold water for space heating/cooling and DHW production. On the basis of this pilot plant, a similar plant is being constructed in the town of Sale Morosino: in this case, the cold water source will be Lake Iseo, while the users will be two school buildings and a sports centre, with an estimated peak heating power of about 300 kW th.

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Geothermal energy as the solution for small villages in Italy

Italy

2013

Environmental benefit

CO2 emissions reduction

Discover this use case online

The Brescia Province (Italy) is an area with major superficial aquifers and geological irregularity. This allows the exploitation of a geothermal source. Analysis of the results achieved by Cogeme SpA in the research of deep geothermal fluids and in the prototyping of “cold district heating” network systems allowing a rational use of groundwater for energy purposes.

“Cold District heating” allows the transfer of a geothermal resource from the area of pumping and storage, toward revamping thermal plants which supply existing buildings, thus solving the typical issues concerning the use of renewable energy sources in old town centres, in areas with few common spaces, in contexts subject to an environmental, historical and architectural constraint of protection or to strict acoustic zoning “Cold District Heating” can represent a simple, rapid, noninvasive and “renewable” way to revamp heat production plants.

It is a valid answer to the energy needs of those small urban centers in the Brescian Region which are interested in reaching the energy efficiency of their buildings but, which cannot find a valid solution in the conventional District Heating, because of the limited dimension of their catchment area. An interesting example is the town of Berlingo (2700 inhabitants), where a geothermal power plant serves the heating and cooling demand of a new school building that was constructed in 2013. The water is pumped from the aquifer at 11–15 ◦C and then sent through one pipeline to heat pumps and chillers that use it to simultaneously produce hot and cold water for space heating/cooling and DHW production. On the basis of this pilot plant, a similar plant is being constructed in the town of Sale Morosino: in this case, the cold water source will be Lake Iseo, while the users will be two school buildings and a sports centre, with an estimated peak heating power of about 300 kW th.

R-ACES has received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement N° 892429

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