Type

NTDH

Short description

NTDH utilizing excess/ground heat for office space and multipurpose complex heating

Location

Herleen

Country

Netherlands

End users

Office of the Central Bureau of Statistics and the complex Heerlerheide Centrum (homes, supermarket, offices, community facilities, catering), Arcus College, pension fund that owns a data center

Heat source

Ground/Excess heat

Description

Excess heat/Ground (two abandoned coal mines have been exploited as a low-temperature resource); Water from coal mines goes to central station (HEX); The second loop represents loop with booster HPs at consumer substation for SH and DHW

Cooling

Yes

Heat source-network connection

HEX

Booster HP or no for SH

HP

Booster HP, IHEU or DHSU for DHW

HP

TES

Mine water reservoir

Centralized/ Decentralized TES

Centralized

Category

2.5.1.1.1.

Tsource [°C]

28

∆Tsource [°C]

16

Tsupply,min [°C] (network)

18

Tsupply,max [°C] (network)

25

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

30

Treturn [°C] (network)

17.5

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

7 (3-pipe network)

Reference 1

https://doi.org/10.1016/j.egypro.2014.01.158

Reference 2

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

Number 37