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DayOne

DAYONE

FOUNDED: 2022 CEO: JAMIE KHOO

STANDOUT COMPONENTS: LAHTI 128MW FINLAND CAMPUS; FREE‐COOLING DESIGN; HEAT‐REUSE AND DISTRICT HEATING INTEGRATION

is an emerging colocation and hyperscale developer using greenfield European builds to showcase a sustainability‐first philosophy. Its planned € 1.2bn( US $ 1.39bn) Lahti campus in Finland will transform a former industrial site into up to 128MW of IT load, leveraging free cooling and eliminating freshwater use.

By actively exploring waste‐heat reuse with Lahti’ s district heating system and securing a power agreement with Lahti Energy, DayOne illustrates how next‐generation campuses can support AI‐grade density while strengthening local grids and community infrastructure. Jamie Khoo, CEO, DayOne

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