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A COMPUTER-BASED SIMULATION OF GEOTHERMAL ENERGY UTILIZATION IN CONDITIONS OF SLOVAK REPUBLIC

Štefan Kuzevič

First published: 2011-06-20https://doi.org/10.5593/sgem2011/s18.101View metrics

Abstract

Coverage of Slovakia's energy needs depends primarily on collecting energy from abroad (mostly from the Russian Federation). Therefore, the state is inclined to making substantial use of renewable energy sources, which are also environmentally less aggressive. Slovakia has a significant potential in geothermal energy. The systematic investigation of geothermal energy sources using geothermal wells started in 1971 in Slovakia. There are 120 registered geotherm al wells in Slovakia, which proved about 1787 l.s -1 of geothermal waters with the temperature ranging from 18 to 129В°C on the wellhead. The heat output of the utilized geot hermal waters to reference temperature of 15В°C is 306,8 MW t. Mentioned outputs represent 5,5% of the total geothermal energy potential of Slovakia which was evaluated to 6653,0 MWt by geological research. The geothermal waters are used at 36 sites in total for district hea ting, agriculture and recreation. It was distinguished 26 geothermal areas for obtaining and use of geothermal water. Differing degree of available hydrogeothermal exploration results is characteristic for particular geothermal area s. A number of geothermal water reservoirs in Slovakia and the existence of many district heating sy stems, with utilization of geothermal energy are ideal conditions for e xpansion of geothermal projects. For the purpose of assessment utilization of geothe rmal resources was created a computer model. This model reflects technical and economic constraints. Input parameters working with this model include temperature, yield and relevant level of mineralization, respectively chemical type of water. Among the additional parameters of this model belongs availability of resources with suffi cient disposal capacity, the possibility of reinjection the geotherm al waters, as well as the availa bility of delivery points, or the possibility of central heating. Use of this model may be a useful tool in decision-making activities on the direction of investment in a particular area of geothermal energy utilization.

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Publication details

Title
A COMPUTER-BASED SIMULATION OF GEOTHERMAL ENERGY UTILIZATION IN CONDITIONS OF SLOVAK REPUBLIC
Authors
Štefan Kuzevič
Proceedings
SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2011 11th International Multidisciplinary Scientific GeoConference
Publisher
Stef92 Technology
Year
2011
Pages
Not available yet
ISSN
1314-2704
ISBN
Not available yet
Language
en
Publication type
Conference Paper
Keywords
geothermal energygeot hermal installationsutilization of geothermal energyprospective areasgeothermal wells
References12

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