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ESR completes first phase of US$2 bil flagship data centre campus in Osaka, Japan

Khairani Afifi Noordin
Khairani Afifi Noordin • 2 min read
ESR completes first phase of US$2 bil flagship data centre campus in Osaka, Japan
The OS1 data centre will be ready for service in May 2025. Photo: ESR Group
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ESR Group has completed the core and shell of its flagship data centre project, ESR Cosmosquare OS1 Data Centre (OS1) in Nanko Kita, Osaka, Japan.

OS1 is the first hyperscale data centre asset within ESR’s 130-megawatt (MW) campus. Being developed over three phases (OS1, OS2, and OS3), ESR’s US$2 billion ($2.6 billion) hyperscale data centre campus sits within 10 kilometres of the major internet and telecommunication exchanges in the Osaka central business district. 

This milestone is part of the company’s accelerated data centres strategy to execute 575 MW of committed data centre sites in key markets across Asia Pacific, with a pipeline of more than 2 GW worth of land and projects.

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