Type

NTDH

Short description

NTDH utilizing solar and ground for municipal buildings heating

Location

"Sedrun" district in Tujetsch

Country

Switzerland

End users

Municipal buildings in the core zone of Sedrun

Heat source

Ground/Solar

Description

Ground probes and solar collectors connected to central stations with HEX; Fluid is distributed to consumer substation HPs for SH and DHW

Cooling

Yes

Heat source-network connection

HEX (ground); Solar collectors

Booster HP or no for SH

HP

Booster HP, IHEU or DHSU for DHW

HP

TES

Vertical ground HEX (73 boreholes 250 m depth)

Centralized/ Decentralized TES

Centralized

Category

1.2.1.1.1.

Tsupply,min [°C] (network)

8

Treturn [°C] (network)

4

Reference 1

http://www.energia-alpina.ch/fileadmin/user_upload/Docs/0_Reglement_2017.02.08.pdf

Reference 2

http://www.energia-alpina.ch/fileadmin/user_upload/Docs/4_Preisblatt_2016.pdf

Reference 3

http://www.energia-alpina.ch/home/

Reference 4

https://doi.org/10.1016/j.rser.2018.12.059

Reference 5

http://www.energia-alpina.ch/fileadmin/user_upload/Docs/Infotafel_Anergienetz_Zentrale_120x90cm.pdf

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