Image: www.freefoto.com
Image: www.freefoto.com
Nuon's customers in Amsterdam Zuidoost who opt for renewable cooling are environmentally-minded companies who are open to innovative and sustainable solutions for achieving their environmental objectives. Eight buildings are currently connected to the cooling network in Zuidoost, namely the offices of ING and Atlas ArenA Amsterdam as well as the new Endemol studios. These customers jointly purchase almost one sixth of the installed capacity.
Cooling
Cooling energy is produced with the help of cold water from the deep layers of a lake or other large water body. This water is pumped to heat exchangers in a cooling station. The water goes through the heat exchanger, with the cold water cooling the water in the pipes of the cooling system. The slightly warmed-up water is then immediately pumped back to the warmer upper layer of the lake. The water that has been cooled in the water system goes to the customer. This water then releases its cooling energy to the customer's internal cooling system which is used to cool rooms, computers and servers. The station thus eliminates customers' need for a cooling system of their own.
Facts
* Capacity at the Zuidoost Cooling Station: 60 MW;
* Annual CO2 saving: about 7.2 million kg, which is equal to 45 million undriven car kilometres;
* Average number of litres of water pumped up per year: 8 million m3 ;
* Depth at which the water is pumped up: 45 metres;
* The temperature of the pumped-up water: 5 to 6 degrees Celsius;
* Total number of kilometres of cooling pipes at this station: 10 km;
Source: NUON
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