Type
NTDH
Short description
NTDH utilizing ground heat for heating of new Paris district
Location
Paris Saclay
Country
France
End users
Scientific, engineering and business schools, research laboratories, private companies and housing area
Heat source
Ground/Excess heat
Description
Ground heats network connected to 8 HPs at consumer substations for SH and DHW
Cooling
Yes
Heat source-network connection
HEX (ground and excess heat)
Booster HP or no for SH
HP
Booster HP, IHEU or DHSU for DHW
HP
Category
2.4.1.1.1.
Costs/Price [€] (Investment; Operation; Cost for the consumer)
Investment: 50 mil. €
Tsupply,min [°C] (network)
15
Tsupply,max [°C] (network)
30
Tsupply,min [°C] (at consumer substation)
45
Tsupply,max [°C] (at consumer substation)
63
Treturn [°C] (network)
45 (consumer substation)
Installed capacity [MW]
37
Produced heating energy [MWh/year]
40000
Building heat demand kWh/m2/year
21 to 50
Network length [km] (if not specified-pipes, trench specified)
10
Project area [km2]
1.2
LHD (linear heat density)=(total heat demand)/(length of network) [kWh/m/year]
At the end of the project, when network will cover heat demand of area of 1800 km2: 4300 kWh m(linear trench)/year
LHPDD (linear heating power demand density)=(installed thermal power capacity)/(network length(pipes)) [kW/m]
3.7 (calculated from data)
Reference 1
https://www.euroheat.org/wp-content/uploads/2017/01/study-on-efficient-dhc-systems-in-the-eu-dec2016_final-public-report6.pdf
