Type

NTDH

Short description

NTDH utilizing solar collectors and ground for residential buildings heating

Location

"Sohnius-Weide" district in Nümbrecht

Country

Germany

End users

13 residential buildings

Heat source

Ground/Solar

Description

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

Cooling

Missing info

Heat source-network connection

HEX

Booster HP or no for SH

HP

Booster HP, IHEU or DHSU for DHW

HP

TES

Horizontal ground HEX; Rainwater tank

Centralized/ Decentralized TES

Centralized

Category

1.2.1.1.1.

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

Investment: 0.32 mil. €

Tsupply,min [°C] (network)

4

Tsupply,max [°C] (network)

21

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

4.23

Installed capacity [MW]

6, 8, 11 and 18 kW (HPs)

Network length [km] (if not specified-pipes, trench specified)

1.2

Reference 1

https://www.energieagentur.nrw/eanrw/kaltes_nahwaermenetz

Reference 2

https://www.sonnewindwaerme.de/solarthermie-waermepumpe/kaltes-nahwaermenetz-versorgt-neubaugebiet

Reference 3

https://installation-dkz.de/wp-content/uploads/2017/09/26-28_web.pdf

Reference 4

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

Number 9