Home Selected ReferencesHannes Snellman Advised DayOne on a EUR 1.2 billion Hyperscale Data Center Project in Lahti 18/08/2025 | Real Estate Hannes Snellman Advised DayOne on a EUR 1.2 billion Hyperscale Data Center Project in Lahti Main Contacts Matti Lajunen Partner matti.lajunen@hannessnellman.com +358 40 720 7036 Hannes Snellman advised DayOne, a Singapore-based global data center developer and operator, on the development of a state-of-the-art hyperscale data center campus in Lahti, Finland. The aggregate investment is projected to amount to EUR 1.2 billion. With a total potential capacity of 128 MW IT load, the project comprises a first building of 50 MW IT load. DayOne is also entering into a Growth Partnership Agreement with Lahti underscoring its long-term commitment to Finland’s digital and economic development. Hannes Snellman’s core advisory team comprised Matti Lajunen, Tuomas Koivuniemi, Eemi Piirainen, Essi Peltoniemi, Klaus Metsä-Simola (Real Assets), and Heikki Vesikansa, Isabella Kartila, Marika Sorsa, Viivi Vikberg (Tax), and Mikko Huimala, Jenni Heurlin, Ida Krook (Competition and Regulatory). Main Contacts Matti Lajunen Partner matti.lajunen@hannessnellman.com +358 40 720 7036