Type
NTDH
Short description
NTDH utilizing sea water for luxury village heating
Location
"Porto piccolo Sistiana" - Trieste
Country
Italy
End users
Luxury village-460 residential units, public and private beaches, parks, bars and restaurants, retail units, 5 star hotel, marina with 124 berths and a large spa area
Heat source
Sea water
Description
18 heat pumps; Sea water used in plants over the area for heating/cooling of water (HEX); Water in main loop used by WSHPs
Cooling
Yes
Heat source-network connection
HEX
Booster HP or no for SH
HP
Booster HP, IHEU or DHSU for DHW
HP
Category
1.7.1.1.1.
Costs/Price [€] (Investment; Operation; Cost for the consumer)
Investment: 25 mil. €
Tsource [°C]
28 (summer); 11 (winter)
Tsupply,min [°C] (network)
10 (winter)
Tsupply,max [°C] (network)
35 (summer)
Tsupply,min [°C] (at consumer substation)
40 (winter)
Treturn [°C] (network)
5 (winter); 30 (summer)*
Installed capacity [MW]
4.5
Network length [km] (if not specified-pipes, trench specified)
2
LHPDD (linear heating power demand density)=(installed thermal power capacity)/(network length(pipes)) [kW/m]
2.25
Reference 1
https://tbiaircon.co.uk/wp-content/uploads/2018/03/clivet_installations.pdf
Reference 2
https://doi.org/10.1016/j.rser.2018.12.059
Reference 3
https://www.airu.it/visita-di-airu-al-sistema-di-climatizzazione-ad-acqua-di-mare-di-portopiccolo/
Reference 4
https://seadrion.adrioninterreg.eu/wp-content/uploads/2019/02/D.T1.1.1-Report-on-heat-pump-installation-and-industry-in-Adriatic-Ionian-region-1-1.pdf
