Type
NTDH
Short description
NTDH utilizing ground water for heating apartments, hotel etc.
Location
Oberwald/Obergoms
Country
Switzerland
End users
209 apartments, 1 hotel and other public buildings
Heat source
Ground water
Description
Exploits a Geostructure (the “Furkatunnel”) as a thermal source at 16 °C through which runs hot water which is distributed to HPs at substations for SH and DHW
Cooling
Missing info
Heat source-network connection
Ground water runs through the network
Booster HP or no for SH
HP
Booster HP, IHEU or DHSU for DHW
HP
Category
1.4.1.2.1.
Costs/Price [€] (Investment; Operation; Cost for the consumer)
Investment: 1.31 mil. €
Tsource [°C]
15.5
Tsupply,min [°C] (network)
15
Tsupply,max [°C] (network)
16
Installed capacity [MW]
1.337
Network length [km] (if not specified-pipes, trench specified)
2.2
LHPDD (linear heating power demand density)=(installed thermal power capacity)/(network length(pipes)) [kW/m]
0.6
Reference 1
https://www.enalpin.com/newsletter/files36/newsletter-nr.1-2016.pdf
Reference 2
http://www.energieregiongoms.ch/index.php/projekte/item/20-warmwasser-aus-dem-furkatunnel
Reference 3
https://www.anog.ch/news/infoveranstaltungen/informationsveranstaltunganog.pdf
Reference 4
https://pangea.stanford.edu/ERE/db/WGC/papers/WGC/2015/01062.pdf
Reference 5
https://doi.org/10.1016/j.rser.2018.12.059
