| Member state | SLOVAKIA |
| Case study | Sereď |
| Description | The County of Trnava has the highest amount of thermal energy used in Slovakia. The geothermal district heating supplies 3760 appartments, i.e. 10,8 MWth. It saves 600 000 m3 of gas each year. |
| Region>City>location | Trnava>Sereď |
| Owner | MBP Sered company |
| Operator | MBP Sered company |
| Installed capacity ( MWth) |
10,833 (60% covered by geothermal energy) |
| Installed geothermal capacity | 0.6 |
| DH length (m) |
|
| Inhabitants connected | Town has 16000 inhabitants, 3760 appartments are supplied by GeoDH |
| Design of the DH | Primary two-pipe distribution network is connected to pressure dependent heat exchanger stations installed directly in supplied buildings (17 apartment buildings, 4 public buildings) with 960 apartments. Geothermal energy is used for pre-heating (66°C production temperature) and it is supported by natural gas boiler. |
| Operating Temperature of the DH | 65/45°C |
| Temperature of the geothermal ressource (production – injection) |
Production: 66°C |
| Geothermal flow rate |
8 l/s |
| Heat Pump if any (power in Mwe and COP) |
0.6 |
| Dates of begining and end of construction | 2010-2011 |
| Planing of the operation (from pre-studies to full completion) |
2009 |
| Investement for geothermal well |
1.6 M€ |
| Financing (banks, funds, PPP…) |
banks |
| Comparison with fossil energies | approx. 600,000 m3 of natural gas annually saved / 1,200 tons of CO2 saved annually |
Trnava Sereď
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