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The GRETA project: the contribution of near-surface geothermal energy for the energetic self-sufficiency of Alpine regions

Alessandro Casasso, Bruno Piga, Rajandrea Sethi, Joerg Prestor, Simona Pestotnik, Magdalena Bottig, Gregor Goetzl, Pietro Zambelli, Valentina D'Alonzo, Roberto Vaccaro, Pietro Capodaglio, Marcela Olmedo, Alessandro Baietto, Charles Maragna, Fabian Böttcher, Kai Zoesseder
  • Bruno Piga
    Politecnico di Torino – DIATI, Italy
  • Joerg Prestor
    Geological Survey of Slovenia (GEOZS) - Department for groundwater and hydrogeology, Ljubljana, Slovenia
  • Simona Pestotnik
    Geological Survey of Slovenia (GEOZS) - Department for groundwater and hydrogeology, Ljubljana, Slovenia
  • Magdalena Bottig
    Geological Survey of Austria (GBA), Main department of applied geosciences, Wien, Austria
  • Gregor Goetzl
    Geological Survey of Austria (GBA), Main department of applied geosciences, Wien, Austria
  • Pietro Zambelli
    Accademia Europea Bolzano - Institute for Renewable Energy, Bolzano, Italy
  • Valentina D'Alonzo
    Accademia Europea Bolzano - Institute for Renewable Energy, Bolzano, Italy
  • Roberto Vaccaro
    Accademia Europea Bolzano - Institute for Renewable Energy, Bolzano, Italy
  • Pietro Capodaglio
    ARPA Valle d’Aosta, St. Cristophe (AO), Italy
  • Marcela Olmedo
    ARPA Valle d’Aosta, St. Cristophe (AO), Italy
  • Alessandro Baietto
    ARPA Valle d’Aosta, St. Cristophe (AO), Italy
  • Charles Maragna
    Bureau de Recherches Géologiques et Minières (BRGM), Orléans, France
  • Fabian Böttcher
    Technical University of Munich (TUM) - Chair of Hydrogeology, Muenchen, Germany
  • Kai Zoesseder
    Technical University of Munich (TUM) - Chair of Hydrogeology, Muenchen, Germany

Abstract

The Alpine regions are deeply involved in the challenge set by climate change, which is a threat for their environment and for important economic activities such as tourism. The heating and cooling of buildings account for a major share of the total primary energy consumption in Europe, and hence the energy policies should focus on this sector to achieve the greenhouse gas reduction targets set by international agreements. Geothermal heat pump is one of the least carbon-intensive technologies for the heating and cooling of buildings. It exploits the heat stored within the ground, a local renewable energy source which is widely available across the Alpine territory. Nevertheless, it has been little considered by European policies and cooperation projects. GRETA (near-surface Geothermal REsources in the Territory of the Alpine space) is a cooperation project funded by the EU INTERREG-Alpine Space program, aiming at demonstrating the potential of shallow geothermal energy and to foster its integration into energy planning instruments. It started in December 2015 and will last three years, involving 12 partners from Italy, France, Switzerland, Germany, Austria, and Slovenia. In this paper, the project is presented, along with the results of the first year of work.

Keywords

European cooperation; Ground source heat pumps; Groundwater heat pumps; Shallow geothermal potential

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Submitted: 2017-02-16 17:29:53
Published: 2017-03-31 15:08:30
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Copyright (c) 2017 Alessandro Casasso, Bruno Piga, Rajandrea Sethi, Joerg Prestor, Simona Pestotnik, Magdalena Bottig, Gregor Goetzl, Pietro Zambelli, Valentina D'Alonzo, Roberto Vaccaro, Pietro Capodaglio, Marcela Olmedo, Alessandro Baietto, Charles Maragna, Fabian Böttcher, Kai Zosseder

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