{"id":4746,"date":"2023-02-13T14:54:11","date_gmt":"2023-02-13T12:54:11","guid":{"rendered":"https:\/\/whelveenergy.gr\/?page_id=4746"},"modified":"2026-03-07T14:05:48","modified_gmt":"2026-03-07T12:05:48","slug":"diadikasia-kleistoy-geothermikoy-systimatos","status":"publish","type":"page","link":"https:\/\/whelveenergy.gr\/en\/diadikasia-kleistoy-geothermikoy-systimatos\/","title":{"rendered":"Procedure for Closed Loop Geothermal System"},"content":{"rendered":"
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Procedure for Closed Loop Geothermal System<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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Stage 1<\/h5>\t\t\t\t<\/div>\n\t\t\t\t
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Preliminary study-Total Cost <\/h5>\t\t\t\t<\/div>\n\t\t
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1) Visit to the site of project- data collection<\/strong><\/p>

  • Topographical<\/li>
  • Building Load Calculations (if exists)<\/li>
  • Geological formations of the application area<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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    2) Preliminary study which includes:<\/strong><\/p>

    • Data analysis project description.<\/li>
    • Assessment of the geology at study area includes Geological section.<\/li>
    • Initial system design and dimensioning of its individual elements.<\/li>
    • Detailed description of the system and its installation process.<\/li>
    • All stages of the project with detailed costs.<\/li>
    • Financial feasibility study of the project and its payback period.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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      Stage 2<\/h5>\t\t\t\t<\/div>\n\t\t\t\t
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      Issue of Permit - Final Design - Project supervision <\/h5>\t\t\t\t<\/div>\n\t\t\t\t
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      1. Simulation of the geothermal system to verify it\u2019s completeness<\/li>
      2. Completion of the Geothermal System Study.<\/li>
      3. Collections of supporting documents for the issuance of the permit of install geothermal system.<\/li>
      4. Completing the file and submitting it for the issuance of the permit (1-2 months usually<\/strong>).<\/li>
      5. Supply of equipment-materials for the construction of the project.<\/li>
      6. Issuance of the permit and installation of the geothermal system under our supervision (includes issuance of a paravolo (GR) from a financial cost of 300 euro).<\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t
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        \n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"\u039f\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03b1\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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        Stage 3<\/h5>\t\t\t\t<\/div>\n\t\t\t\t
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        Procedure for the installation of the geothermal system (under our supervision)<\/h5>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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        Vertical placement of Geo-exchanger<\/h5>\t\t\t\t<\/div>\n\t\t\t\t
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        1. Drilling of boreholes-placement of geo-exchangers- grouting of boreholes.<\/li>\n
        2. Geo-exchanger pressure test<\/li>\n
        3. Thermal Response Test (required in large projects)<\/li>\n
        4. Construction of piping networks to connect to the mechanical room.<\/li>\n
        5. Flushing-Purging of the geothermal system.<\/li>\n
        6. Start up the system<\/li>\n<\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t
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          Horizontal placement of Geo-exchanger <\/h5>\t\t\t\t<\/div>\n\t\t\t\t
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          1. Construction of Geo-exchanger<\/li>
          2. Excavation \u2013 Backfilling<\/li>
          3. Geo-exchanger pressure test<\/li>
          4. Construction of piping networks to connect to the mechanical room.<\/li>
          5. Flushing-Purging of the geothermal system.<\/li>
          6. Start up the system<\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t
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            <\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t
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            Table 1 <\/h4>\t\t\t\t<\/div>\n\t\t\t\t
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            Cost of Geothermal System \u2018\u2019Closed Loop\u2019\u2019<\/h4>\t\t\t\t<\/div>\n\t\t
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            \n\t\t\t\t\t\t\t\t\tType\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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            \n\t\t\t\t\t\t\t\t\tMin<\/strong>Kw)<\/strong>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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            \n\t\t\t\t\t\t\t\t\tAverage (\u20ac\/<\/strong>Kw)<\/strong>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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            \n\t\t\t\t\t\t\t\t\tMax<\/strong>Kw)<\/strong>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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            \n\t\t\t\t\t\t\t\t\tGround Source Heat Pump<\/strong>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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            \n\t\t\t\t\t\t\t\t\t308<\/strong>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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            \n\t\t\t\t\t\t\t\t\t477\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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            \n\t\t\t\t\t\t\t\t\t646\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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            \n\t\t\t\t\t\t\t\t\tHorizontal Ground Loop<\/strong>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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            \n\t\t\t\t\t\t\t\t\t304<\/strong>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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            \n\t\t\t\t\t\t\t\t\t722\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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            \n\t\t\t\t\t\t\t\t\t1140\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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            \n\t\t\t\t\t\t\t\t\tVertical Ground Loop<\/strong>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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            \n\t\t\t\t\t\t\t\t\t608<\/strong>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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            \n\t\t\t\t\t\t\t\t\t1824\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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            \n\t\t\t\t\t\t\t\t\t3040\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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            **Table<\/u> 1<\/u> (Source: \u2018\u2019RETScreen<\/strong> Expert \u2018\u2019<\/strong> Clean Energy Management Software version 8.1<\/strong>)<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t

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            Total Cost= Kw*GSHP Cost + Kw*Cost (Horizontal or Vertical) Ground Loop<\/h5>\t\t\t\t<\/div>\n\t\t\t\t
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            The cost of a closed loop geothermal system depends on:<\/strong><\/p>

            • The building heating and cooling Loads (peak loads it will need to cover).<\/strong><\/li>
            • The geology of the area (increases and reductions in drilling and grouting costs).<\/strong><\/li>
            • The available area (horizontal or vertical).<\/strong><\/li>
            • The quality of the materials.<\/strong><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

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