Type
LTDH
Short description
LTDH utilizing solar heat and absorption HP for residential heating
Location
Ackermannbogen – SNAB, Munich
Country
Germany
End users
7 residential buildings
Heat source
Solar/Existing DH
Description
Solar collectors and absorption HP, existing DH as a back-up; Indirect od direct connection between SH and the main network
Cooling
Missing info
Heat source-network connection
Solar collectors; Shunt? (existing DH-Missing info)
Booster HP or no for SH
No
Booster HP, IHEU or DHSU for DHW
IHEU
TES
Tank TES (6000 m3)
Centralized/ Decentralized TES
Centralized
Category
3.2.1.1.1.
Costs/Price [€] (Investment; Operation; Cost for the consumer)
Distribution investment cost: 206 €/m; Annual distribution cost 3.2 €/GJ
Tsupply,min [°C] (network)
55
Tsupply,max [°C] (network)
60
Tsupply,min [°C] (at consumer substation)
55 (direct connection)
Tsupply,max [°C] (at consumer substation)
60 (direct connection)
Treturn [°C] (network)
30
Installed capacity [MW]
2.38
Produced heating energy [MWh/year]
1815
Heating demand [MWh/year]
1771.944
Building heat demand kWh/m2/year
64.722
Network length [km] (if not specified-pipes, trench specified)
1.24 (trench)
Project area [km2]
0.023
Plot ratio=(building area)/(land area)
1.3
Heat loss [%]
2
Heat density=(delivered heat)/(covered area) [MWh/m2]
0.077
LHD (linear heat density)=(total heat demand)/(length of network) [kWh/m/year]
1416.667
LHPDD (linear heating power demand density)=(installed thermal power capacity)/(network length(pipes)) [kW/m]
1.43
Reference 1
https://www.iea-dhc.org/fileadmin/documents/Annex_X/IEA_Annex_X_Final_Report_2014_-_Toward_4th_Generation_District_Heating.pdf
