Abstract
The article presents an assessment of the potential for using low enthalpy geothermal resources for electricity generation on the basis of the Małopolskie Voivodeship (southern Poland). Identification the locations providing the best prospects with the highest efficiency and possible gross power output. Thermodynamic calculations of power plants were based on data from several geothermal wells: the Bańska PGP-1, Bańska IG-1, Bańska PGP-3 and Chochołów PIG-1 which are working wells located in one of the best geothermal reservoirs in Poland. As the temperature of geothermal waters from the wells does not exceed 86 °C, considerations include the use of binary technologies—the Organic Rankine Cycle (ORC) and Kalina Cycle. The potential gross capacity calculated for existing geothermal wells will not exceed 900 kW for ORC and 1.6 MW for Kalina Cycle. In the case of gross electricity, the total production will not exceed 3.3 GWh/year using the ORC, and will not exceed 6.3 GWh/year for the Kalina Cycle.
Highlights
The development of the energy sector, including electricity generation, increasingly takes into account the use of renewable energy sources (RES)
There is a change of direction in the energy market, in which RES plays an increasingly important role. This arises from concern for the environment, but is an attempt to diversify energy sources in developing countries. This is important in the case of electricity generation, since there is an increase in the consumption of electricity
This study presents the locations of the 10 best prospects for electricity generation
Summary
The development of the energy sector, including electricity generation, increasingly takes into account the use of renewable energy sources (RES) This is evident in the countries of the European Union (EU), which are obliged to reduce emissions of pollutants into the atmosphere, increase energy efficiency and increase the share of renewable energy in the structure of total gross energy generation [1]. There is a change of direction in the energy market, in which RES plays an increasingly important role This arises from concern for the environment, but is an attempt to diversify energy sources in developing countries. This is important in the case of electricity generation, since there is an increase in the consumption of electricity. In 2018, 181 GW of renewable energy capacity was installed worldwide for the purposes of electricity generation, and the total installed capacity reached the level of 2378 GW [2]
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