NTDH
NTDH utilizing solar collectors and ground for residential buildings heating
"Sohnius-Weide" district in Nümbrecht
Germany
13 residential buildings
Ground/Solar
Traditional solar thermal flat plate collectors and ground network with brine water which feeds HEX; Other side of HEX connected with HPs at consumer substations for SH and DHW; Plans to connect to sewer treatment plant in future
Missing info
HEX
HP
HP
Horizontal ground HEX; Rainwater tank
Centralized
1.2.1.1.1.
Investment: 0.32 mil. €
4
21
4.23
6, 8, 11 and 18 kW (HPs)
1.2
https://www.energieagentur.nrw/eanrw/kaltes_nahwaermenetz
https://www.sonnewindwaerme.de/solarthermie-waermepumpe/kaltes-nahwaermenetz-versorgt-neubaugebiet
https://installation-dkz.de/wp-content/uploads/2017/09/26-28_web.pdf
https://doi.org/10.1016/j.rser.2018.12.059