Production and storage
The CLIMESPACE chilled water generating plants are made up of refrigeration units that cool the distribution circuit chilled water from 15°C to 5°C. These plants also consist of other equipment such as pumps, electrical equipment...
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CLIMESPACE storage systems facilitate response to one-shot and large demands for cooling capacity.
Since cooling requirements are lower at night than during the day, the refrigeration units continue to operate in order to generate cooling energy for storage in tanks. During the day, this stored cooling is used to cover demand peaks.
The cooling energy can be stored in two forms: chilled water or ice. The latter is more advantageous because it can store more energy in a given volume.
- Chilled water storage at the Tour Maubourg: located on the top level of a car park, this installation is made up of 13 tanks storing a total of 12,000 m3 of chilled water, a volume equivalent to an energy of 90 MWh. The water is stored at 3°C.
- Opera: the Opera plant has ice storage with a capacity of 320 m3, equivalent to 20 MWh.
- Les Halles: the Les Halles plant has ice storage equivalent to 30 MWh.