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What is shallow geothermal energy?
Shallow geothermal energy (also: near surface geothermal energy) is the heat available or rather stored in the ground. It is available everywhere and anytime, regardless of daytime or season. In central Europe, the temperature in a depth of 20 metres amounts to a constant temperature of roundabout 10 °C. Every 100 metres deeper the temperature increases by 3 K. It can be used for cooling and heating purposes (deep geothermal energy also for electricity production). The heat of the ground is usually extracted in closed loop systems, rarer in open loop systems. Geothermal energy is renewable, ecologically friendly and space-saving at the surface.
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Where are we now in the project?
We recently started the second year of GeoPLASMA-CE. From the initial phase (set up of work methods, acquisition and assessment of the available data background) we stepped into the modelling phase and development of strategies. All project deliverables achieved by now are available for reading and downloading here. Until the end of this year we have the ambition to assess relevant geodata in our 6 pilot areas and to start creating our thematic models.
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2nd Partner meeting in Ljubljana
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Definition of harmonized workflows
An important aspect of GeoPLASMA-CE is the development of transnational standards for data processing and mapping of shallow geothermal potential.
Based on the results of the stakeholder survey, harmonized workflows for urban and non-urban regions were created.
To develop the workflows methodical synopses about 3D-modelling,
conflict mapping and geothermal mapping for
closed
and open loop systems were compiled.
The workflows define all data processing steps, starting from raw data management via 3D-modelling to the final creation of traffic light maps and physical parameter maps.
As requirements differ between regions,
the workflows allow some flexibility through a modular approach and recommenda-
tions. The workflows are about to be tested in all 6 pilot areas; based on gained experiences, guidelines will be published toward the end of the project.
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Example for heat extraction map and
base of aquifer shown in a 3D-model
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TRT workshop in Prague and progress of TRT measurements
Comparability and harmonization are two priorities within GeoPLASMA-CE. The validation of the TRT devices used in the project by different partners is essential to have comparable results of the effective thermal conductivity in the pilot areas. With the results of the TRT and temperature measurements the maps of geothermal potential for our web platform will be calibrated.
During the knowledge exchange workshop in Prague, experts from all over Europe discussed the main challenges and the newest developments of Thermal Response Tests.
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Participants of the TRT workshop in Prague on March 15, 2017
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Progress on the web-portal construction
The construction of the GeoPLASMA-CE web-portal, consisting of the decision support tool and the international expert platform began right after finishing the White Books for both the
international expert platform and the
decision support and info tool.
The focus in the first phase of the development is on the international expert platform and the main portal page. First versions of these parts of the web-portal will be released and
presented on the GRETA midterm conference on the November 7, 2017.
Read more…
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GeoPLASMA-CE activities at the past events in 2017
GeoPLASMA-CE was presented at the following events:
Annual geoENERGIE tag 2017 in Freiberg, Germany
19 May 2017
Young scientist's day at TU Bergakademie Freiberg in Freiberg, Germany
8 June 2017
Geothermal Technology Workshop in Brussels, Belgium
20 June 2017
Visit from the Head of Unit for Transnational Cooperation at the European Commission, Mr. Jean-Pierre Halkin in Vienna, Austria
20 June 2017
European network for shallow geothermal energy applications in buildings and infrastructures - GABI event in Sofia, Bulgaria
25 September 2017
20-Year Anniversary Conference in Berlin, Germany
21-22 September 2017
Networking of Geothermal4PL and GeoPLASMA-CE in Chęciny, Poland
10 October 2017
GeoPLASMA-CE consortium organized the following important events:
National stakeholder's event Use of shallow geothermal energy in Central Europe and possibilities of its use in Slovenia (Ljubljana pilot area) in Ljubljana, Slovenia
31 August 2017
Knowledge exchange workshop The role of shallow geothermal energy (SGE) use in reaching the EU2020 goals at German Geothermal Congress (DGK) 2017 in Munich, Germany
12 September 2017
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Participants of the national stakeholder's event in Ljubljana on August 31, 2017
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