Type
NTDH
Short description
NTDH utilizing lake water for heating buildings
Location
La Tour-de-Peilz
Country
Switzerland
End users
Around 300 buildings (mostly residential)
Heat source
Lake water
Description
Lake water transfer heat to distribution network through HE; Distribution network is connect to substations with HPs (10 kW to 500 kW) 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
1.5.1.1.1.
Costs/Price [€] (Investment; Operation; Cost for the consumer)
Investment: 30 mil. €
Tsource [°C]
7
∆Tsource [°C]
4
Tsupply,min [°C] (network)
2
Tsupply,max [°C] (network)
20
Tsupply,min [°C] (at consumer substation)
55
Tsupply,max [°C] (at consumer substation)
60
Treturn [°C] (network)
9
SCOP=(reference annual heating demand)/(seasonal electricity consumption for heating) [-]
3.75
Installed capacity [MW]
10
Heating demand [MWh/year]
18.5
Network length [km] (if not specified-pipes, trench specified)
4.1
LHD (linear heat density)=(total heat demand)/(length of network) [kWh/m/year]
4.512 (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
