LUMI supercomputer to use district heating for cooling

By District Energy posted 05-27-2020 21:15




One of Europe's upcoming 'pre-exascale' supercomputers plans to install a district heating system.

Finnish data center CSC – IT Center for Science will be home to the 150 petaflops LUMI supercomputer once its suite is complete in 2021, one of a number of systems serving as a stepping stone before an eventual exascale supercomputer.

Engineering company Loiste Lämpö will install the district heating system, which hopes to keep nearby homes and businesses warm in a place where temperatures can sometimes be lower than -30C (-22F).

The facility, based out of the Renforsin Ranta Business Park in the city of Kajaani, is used by multiple research disciplines and hosts a cloud service for academics. The site also has access to renewable energy via Kajaani's two hydropower stations.

“Reducing the carbon footprint is a globally critical target, to which the location of the EuroHPC machines have a huge impact, as supercomputers consume plenty of electricity," CSC’s managing director Kimmo Koski said.

"The advantages of Kajaani are the use of renewable energy and the possibility of hot water cooling, thanks to which the waste heat released from the data center can be utilized in Kajaani’s district heating network.”

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