Type

NTDH

Short description

NTDH utilizing ground heat for residential area heating

Location

"Küferweg" district in Mainz

Country

Germany

End users

Residential area

Heat source

Ground

Description

Ground used to heat brine water mixture and then that brine water is used for SH and DHW at substations (14 HPs); HEX between network and substation

Cooling

Missing info

Heat source-network connection

HEX? (Missing info)

Booster HP or no for SH

HP

Booster HP, IHEU or DHSU for DHW

HP

TES

Vertical ground HEX (4 boreholes 300 m depth); In every house storage

Centralized/ Decentralized TES

Centralized/Decentralized

Category

1.1.1.1.1.*

Tsupply,min [°C] (network)

8

Tsupply,max [°C] (network)

9

SCOP=(reference annual heating demand)/(seasonal electricity consumption for heating) [-]

3.85

Installed capacity [MW]

0.112

Reference 1

https://gemuenden-bau.de/geothermie-nahwaermeversorgung-im-einfamilienhaus/

Reference 2

https://www.mainz.de/microsite/klimafit/medien/bindata/Klimaschutzbericht_Mainz_2013.pdf

Reference 3

https://www.mainz.de/microsite/klimafit/medien/bindata/MPK_Mainz_Endbericht.pdf

Reference 4

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

Reference 5

https://www.tsb-energie.de/fileadmin/Redakteure/Veranstaltungen/Gebaeudeenergie/2017/Vortraege/Hr._Prof._Giel__TSB.pdf

Number 16