Database

This database contains information about some of the many Geothermal District Heating systems in Europe.

To find out more about these systems or any other Geothermal District Heating systems in Europe, contact com(at)egec.org.

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  • Mórahalom

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    Mórahalom has 6 100 inhabitants and has been , in the past 10 years, one of the most dynamically developing regions. A geothermal cascade system was developed to reduce dependency on natural gas by using a renewable heat source. This system consists of two drilled wells, a 1.26 km-deep outflow well and a 0.9 km injection well. Within the project a new district heating system of 2.85 km was established to supply public buildings. The GHG emission is now reduced by 80%.

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  • Minewater

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    Minewater BV

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  • Greenwell

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    Green Well BV

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  • Trnava Sereď

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    The County of Trnava has the highest amount of thermal energy used in Slovakia. The geothermal district heating supplies 3760 apartments, i.e. 10,8 MWth. It saves 600 000 m3 of gas each year.

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  • Lendava

  • Murska Sobota

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    Local community Murska Sobota covers 64 km2 in Pomurje region. Murska Sobota is the largest city in region. In Murska Sobota there is a geothermal district heating system that supplies 300 customers.

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  • Southampton

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    In the Wessex basin, Largest commercially developed CHP/district energy scheme in the UK, Started 28 years ago (1986), Built on Joint Co-Operation Agreement with Southampton City Council.

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  • Nitra Šaľa

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    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.

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  • Trnava Galanta

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    The geothermal district heating system providing 90% of energy is supported by peek gas boilers

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  • Oradea

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    The geothermal heat plant was designed to supply the secondary fluid (treated water) with a temperature of 102°C, which can provide 80% of the heat demand for space heating at the design value of -15°C outer temperature, and 100% for house hot water. The peak load for space heating is supplied by two natural gas fired boilers, which increase the supply temperature of the secondary fluid from 102°C to 110°C.

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  • Podhale Region

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    The Podhale Region is visited by more than 4 million tourists each year. But the area has been affected by intensive pollution because of burning large quantity of coal. Therefore the geothermal project is crucial to preserve the environement. The geothermal district heating provides heat for housing, public buildings and tourist hotels.

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  • Mazovia Region

    Mazovia

    The Podhale Region is visited by more than 4 million tourists each year. But the area has been affected by intensive pollution because of burning large quantity of coal. Therefore the geothermal project is crucial to preserve the environment. The geothermal district heating provides heat for housing, public buildings and tourist hotels.

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  • Ferrara

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    Ferrara, Northern Italy, uses the geothermal source in an integrated system for district heating and cooling, together with the heat produced in a biomass plant for solid wastes and methane gas boilers as back-up. The District heating of Ferrara supplies about 320 buildings for the heat producing and about 85 buildings for sanitary hot water. This DH saves 9 000 m3 of oil equivalent.

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  • Pomarance

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    Pomarance has 8 DH networks. They use steam at 60t/h to heat the city and its hamlets. The total networks are 60 MWth and supply buildings and one industry. A flow rate regulating system saves 30 % of energy.

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  • Vicenza

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    Vicenza, 100 000 people, has a large geothermal water reservoir at 68°C around 2 km depth. Heat pumps are implemented to obtain optimum useful heat energy.

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  • Bóly

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    Bóly is a small agricultural town with 4000 inhabitants. In 2006, a district heating project is born : 1500 m deep production well was drilled. The wellhead temperature is 84°C in this well. A 2.5 km long pipeline transports hot water. At the end of the pipeline, the thermal water is 76°C, which is reinjected under the ground. With the help of this system, the town gas consumption has been reduced by 800 000m3 per year.

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  • Hódmező-vásárhely

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    Hódmező-vásárhely

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  • Alfortville

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    In response to oil price crisis and in solidarity with the national effort, in 1982 the idea of performing an operation of geothermal begins at Alfortville. The DH heats 5400 housings. Wells are dug down to 1.8 km to the Dogger's aquifer.

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  • Aéroport de Paris – Orly

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    Faithful to the commitments made at the Grenelle Environment Forum in 2007, Aéroports de Paris creates a geothermal power plant for heating its buildings. Two wells are dug in The Dogger, a 1.8 km depth aquifer. The water comes up at 74°C. Geothermal energy reduces carbon dioxide emission of 9000 tonnes each year.

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  • Amager

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    Hovedstadsområdets Geotermiske Samarbejde (HGS) (joint venture between four energy, transmission and distribution companies)

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  • Coulommiers

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    Coulommiers choose to largely develop geothermal district heating in order to ensure a stable and competitve energy price to citizens, to use local resource and reach a good level of comfort.The heat is exctracted at 1.5 km depth in the aquifer called Dogger. The district heating supplies around 3000 housing.

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  • Plessis Robinson

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    This geothermal project, in Le Plessis-Robinson, meet the commitment of the OPDH92 (Office Departmental Public Housing) for renewable energy. It is a concrete response to the "States General of the sustainable city" that aims to develop eco-responsibility. The Plessis Robinson’s district heating is mainly powered thanks to geothermal energy. Two wells were dug at 1 k m depth, in an aquifer. This geothermal district heating supplies around 3 500 housing, i.e. about 217 000 m2. The network is around 10 km in total.

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  • Sønderborg

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    Sønderborg Fjernvarme (the local consumer owned district heating company)

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  • Thisted

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    Thisted Varmeforsyning (the local consumer owned district heating company)

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  • Bavaria Sauerlach

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    Triplett system (2007-2009). 1 production and 2 injection wells, depth of 4 757 m to 5 567 m MD

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  • Bavaria Unterhaching

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    The Unterhaching community, located south of Munich, has been using these geothermal resources in a communal heating network since 2007. The very first geothermal power station in South Germany commenced operation here early in 2009. The community initiated their own energy concept ten years earlier, establishing a heating atlas as the first step. This resulted in the development of a plan to cover at least 50% of the local energy requirements with more efficient systems by 2015

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  • Decin district heating

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    Decin, a city with around 55 000 inhabitants uses geothermal energy, special heat pumps and a CHP on natural gas. In the soil near Decin is an underground water reservoir with a temperature of 30 °C. This water is used directly for a swimming pool. For district heating the temperature is too low. Therefore two heat pumps extract heat from it and warm the water for district heating up to 72 °C.

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