Nitra Šaľa

Member state SLOVAKIA
Case study Šaľa
Description Sala is about 25 000 inhabitants. Its location within geothermal active area enables utilization of geothermal energy for space heating purposes. Two district heating systems which distribute heat into apartment houses and other buildings have been built in the town.
Region>City>location Nitra>Šaľa
Owner MeT Šaľa, spol. s r.o.
Operator MeT Šaľa, spol. s r.o.
Installed capacity
( MWth)
24,167 (40% covered by geothermal energy)
Installed geothermal capacity 01-mars
DH length
approx. 20 km
Inhabitants connected Town has 23 440 inhabitants (87% of inhabitants utilizing DHs are supplied by GeoDH system
Design of the DH Distribution network is two-pipe system which is connected to pressure independent heat exchanger stations installed in 82 objects. Geothermal energy is used for pre-heating (70°C production temperature) and it is supported by natural gas boiler.
 Operating Temperature of the DH 100/50°C
Temperature of the geothermal ressource
(production – injection)
Production: 70°C
Geothermal flow
15 l/s
Heat Pump
if any
(power in Mwe and COP)
Dates of begining and end of construction 2009-2011
Planing of the operation
(from pre-studies to full completion)
Investement for
geothermal well
2 M€
(banks, funds, PPP…)
Comparison with fossil energies  approx. 800,000 m3 of natural gas annually saved / 1,662 tons of CO2 saved annually
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