Member state | France |
Case study | Coulommiers |
Description | 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. |
Region>City>location | Paris basin > Coulommiers |
Owner | Syndicat Mixte pour le Géothermie à Coulommiers |
Operator | DALKIA |
Installed capacity ( MWth) |
13,6 MWth |
Installed geothermal capacity | 13,6 MW |
DH length (m) |
19 sub-stations |
Inhabitants connected | 1850 équivalents logements / prévision : 3000 équivalents logements en 2015-2016 |
Operating Temperature of the DH | 81°C |
Temperature of the geothermal ressource (production – injection) |
84°C – 45°C |
Geothermal flow rate |
300 m3/h |
Heat Pump if any (power in Mwe and COP) |
not appicable |
Production of heating and/or cooling | Heating + Sanitary Water |
Dates of begining and end of construction | 2010 – 2013 |
Administration scheme | French Mining Code |
Investement for geothermal well |
C.f: Slide n°17 |
Financing (banks, funds, PPP…) |
Banks, Funds, “Fonds Chaleur” |
Amount of Subsidies if any |
27,00% |
Administrative permits | Arrêté préfectoral du 12/10/2012 |
Cost of the produced MWh | 53,8 € Taxes included Before heating network expansion |
Taxes | 5,50% |
Engineering | CFG Services + SERMET |
Coulommiers
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