Type
NTDH
Short description
NTDH utilizing ground water for residential heating
Location
Jardins de la Pâla, Bulle
Country
Switzerland
End users
81 apartments
Heat source
Ground water
Description
Heat is transferred through HE to network; Network supplies HPs for SH and DHW
Cooling
Yes
Heat source-network connection
HEX
Booster HP or no for SH
HP
Booster HP, IHEU or DHSU for DHW
HP
Category
1.4.1.1.1.
Costs/Price [€] (Investment; Operation; Cost for the consumer)
Investment: 3.798 mil. €; Variable heat price 4 ct./kWh and DHW 7 ct./kWh
Tsource [°C]
10.5
Tsupply,min [°C] (network)
8
Tsupply,max [°C] (network)
9
Tsupply,min [°C] (at consumer substation)
35
Tsupply,max [°C] (at consumer substation)
45
Treturn [°C] (network)
4
SCOP=(reference annual heating demand)/(seasonal electricity consumption for heating) [-]
2.7
SEER=(reference annual cooling demand)/(annual electricity consumption for cooling) [-]
12
Installed capacity [MW]
2
Heating demand [MWh/year]
2100
Network length [km] (if not specified-pipes, trench specified)
0.85
Project area [km2]
0.065
LHD (linear heat density)=(total heat demand)/(length of network) [kWh/m/year]
2470.588 (calculated from data)
LHPDD (linear heating power demand density)=(installed thermal power capacity)/(network length(pipes)) [kW/m]
2.4
Reference 1
https://pubdb.bfe.admin.ch/de/publication/download/8836
Reference 2
https://doi.org/10.1016/j.rser.2018.12.059
Reference 3
https://heatpumpingtechnologies.org/annex47/wp-content/uploads/sites/54/2018/12/annex-47sub-projetcsbulle.pdf
