OnZero Finland Oy

Finnish Data Center Company Connecting AI Heat to District Heating

Added by Maílis Carrilho on October 5th, 2026

Summary

OnZero Finland Oy is a Finnish company providing data processing and related infrastructure services. Based in Helsinki, it is identified by OnZero as a subsidiary of OnZero Alpha Holdings GmbH. In August 2026, it signed an agreement with Helen to connect a planned AI data center to Helsinki’s district heating network. OnZero estimates that the facility could supply up to 525,000 megawatt-hours of recovered heat annually, with operations scheduled to begin in 2027.