Alfa Laval
Summary
Since 1997, more than 12,000 offices, 1,000 apartments, as well as numerous cultural institutions and hotels around Potsdamer Platz are connected to the cooling network of BEW Berliner Energie und Wärme GmbH (formerly Vattenfall Wärme Berlin) and supplied with locally generated cooling. The amount of waste heat generated in the process is considerable – and far too valuable to be released into the environment via cooling towers.
n 2018, BEW and Siemens Energy therefore launched the ambitious Qwark³ (Quartiers-Wärme-Kraft-Kälte-Kopplung) project at the cooling centre at Potsdamer Platz. With the help of an industrial high-temperature heat pump, the waste heat from the cooling network would be used on a large scale for district heating. An important step to secure the future energy supply, on the path to a net-zero district. Brazed and semi-welded plate heat exchangers from Alfa Laval play a key role in this.
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