Type

NTDH

Short description

NTDH utilizing ground and excess heat for residential heating

Location

"Stiegelpotte" area in Spenge

Country

Germany

End users

110 residential buildings with 130 residential units

Heat source

Ground/Excess heat

Description

Excess heat (industrial excess heat from compressors used to compress air from traditional weaving mill (fossils)) transferred via HE to brine water which feeds heat pumps in each building (up to 40 kW)

Cooling

Missing info

Heat source-network connection

HEX

Booster HP or no for SH

HP (per residential complex)

Booster HP, IHEU or DHSU for DHW

HP (per residential complex)

Category

2.2.1.1.1.

Costs/Price [€] (Investment; Operation; Cost for the consumer)

Investment: 1.33 mil. €

Tsource [°C]

20 (excess heat)

Tsupply,min [°C] (at consumer substation)

30

Tsupply,max [°C] (at consumer substation)

55

Treturn [°C] (network)

15

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

4.3

Installed capacity [MW]

0.7

Project area [km2]

0.08

Reference 1

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

Reference 2

https://www.diekaelte.de/sites/default/files/ulmer/file_172029.pdf

Reference 3

http://www.klima-log.de/projekt.asp?InfoID=6800

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