Type
LTDH
Short description
LTDH utilizing geothermal heat for residential heating
Location
Kırşehir
Country
Turkey
End users
1,800 standard dwellings in high-rise multi-family buildings (no need for renovation because heating system in buildings was oversized)
Heat source
Geothermal
Description
Geothermal power plant that produces heat sold in DH network; SH stops when there is need for DHW; Geothermal network is connected via HEX to distribution network; There is indication that there is direct connection between distribution network and consumer; Temperature of geothermal source is in range 56 to 57°C (return temperature 38°C); 2 oil boilers raise supply temperature of distribution network to 61°C during peak load
Cooling
Missing info
Heat source-network connection
HEX
Booster HP or no for SH
No
Booster HP, IHEU or DHSU for DHW
IHEU
Category
1.13.2.1.1.
Costs/Price [€] (Investment; Operation; Cost for the consumer)
Investment: 1.8 mil €; Variable heat price: 59 ct/kWh
Tsource [°C]
57
∆Tsource [°C]
19
Tsupply,max [°C] (network)
54
Tsupply,max [°C] (at consumer substation)
53
Treturn [°C] (network)
41 (network); 40 (consumer substation)
Installed capacity [MW]
16.74
Reference 1
https://www.iea-dhc.org/fileadmin/documents/Annex_X/IEA_Annex_X_Final_Report_2014_-_Toward_4th_Generation_District_Heating.pdf