Mäntsälä data centre substation

Caverion technician at work. Taken av Lambertseter sykehjem, Oslo, Norway for 'Folka Våre' (Our People) campaign. Photo by Caverion Caverion Technician at work. Taken av Lambertseter sykehjem, Oslo, Norway For 'Folka Våre' (Our People) campaign. (MG_0909) Pictured: Hilde Dahl Hjerkinn

Nebius taps Caverion for €15m substation as its Mäntsälä footprint doubles to 145MW

by Martti Asikainen
October 2, 2026October 2, 2026

Finnish technical services firm Caverion has signed a contract to design and deliver a substation connecting AI cloud company Nebius’s second Mäntsälä data centre to the electricity grid, with completion targeted for autumn 2027.