NTDH
NTDH utilizing excess heat, solar heat and ground for village heating
REKA village, Blatten-Belalp
Switzerland
Village
Ground/Solar
Solar collectors produce heat that can be directly used or can be stored in seasonal ground storage; HPs for SH and DHW; High and low temperature loop (high one needs more HPs and more solar heat); Possibility of connecting to Excess heat source
Missing info
HP (ground); Solar collectors
HP
HP
Vertical ground HEX (31 boreholes 150 m depth)
Centralised
1.2.1.2.1.
4.5
8
35
4.24
1 HP 70 kW and 3 HPs 72 kW
https://doi.org/10.1016/j.rser.2018.12.059
https://www.researchgate.net/publication/265470872_Ferien_auf_der_SonnenENERGIEseite_-_REKA_Feriendorf_Blatten-Belalp