Languages

Finnish, English

Silja Piironen

Senior Associate Projects & Construction

Languages

Finnish, English

Silja advises clients in our Real Assets Practice, which is a multi-disciplinary group of experienced lawyers whose expertise cuts across energy, infrastructure, real estate, construction, environment, and projects.

Silja specialises in complex industrial projects in all phases of negotiation and execution. She works on projects across industries ranging from renewable energy, green hydrogen, nuclear, and bioproducts to production plants. Her expertise includes advising on project contracts and commodity supply and off-take agreements, such as corporate PPAs.

Silja is currently on a parental leave.

Selected References

Parties:

Fazer

Transaction:

Hannes Snellman advises Fazer in the construction and financing of its greenfield project in Lahti, Finland, comprising a new, state-of-the-art chocolate factory intended to support Fazer’s long-term strategic growth and capacity expansion. The construction works will start this summer, and the factory is scheduled to be operational in 2028.

Deal Value:

Approximately EUR 400 million

Role:

Counsel to Fazer

Contacts

Parties

Locus Energy Ab, SUSI Renewable Energy Fund II

Transaction

Hannes Snellman acted as counsel to Locus Energy Ab, a long-term active owner and developer of local infrastructure for sustainable energy production in the Nordic region, in its acquisition of portfolio of three operating Finnish wind farms from SUSI Renewable Energy Fund II. The wind farms Pirttiselkä, Leppävirta and Muntila consists of 13 wind turbine generators and contribute approximately 125 GWh in annual production.

Deal Value

Not public

Role

Counsel to Locus Energy Ab, a long-term active owner and developer of local infrastructure for sustainable energy production in the Nordic region, in its acquisition of portfolio of three operating Finnish wind farms from SUSI Renewable Energy Fund II

Contacts

  • Katja Heikkinen

    Specialist Partner +358 44 310 0290 katja.heikkinen@hannessnellman.com

  • Tapio Teräkivi

    Senior Partner +358 40 769 8273 tapio.terakivi@hannessnellman.com

  • Elisa Panula

    Senior Associate +358 50 917 6807 elisa.panula@hannessnellman.com

  • Silja Piironen

    Senior Associate +358 40 580 7175 silja.piironen@hannessnellman.com

  • Josefina Aalto

    Specialist Partner +358 50 505 7427 josefina.aalto@hannessnellman.com

  • Oona Aalto

    Associate +358 44 023 2073 oona.aalto@hannessnellman.com

  • Aleksi Maunumäki

    Associate +358 41 506 2267 aleksi.maunumaki@hannessnellman.com

  • Mikko Huimala

    Partner +358 44 530 0753 mikko.huimala@hannessnellman.com

  • Jenni Heurlin

    Managing Associate +358 40 825 0405 jenni.heurlin@hannessnellman.com

  • Karoliina Kaartinen

    Legal Assistant +358 40 577 0425 karoliina.kaartinen@hannessnellman.com

Parties

Exilion, Axpo, Colgate-Palmolive

Transaction

Hannes Snellman acted as counsel to Exilion in the negotiation of a long-term Power Purchase Agreement with Axpo for wind power acquired by Colgate-Palmolive. Axpo will sell electricity produced by Exilion’s Ii Isokangas wind farm, located in Northern Ostrobothnia, to Colgate-Palmolive to supply their renewable energy needs. Under the 12 year PPA, Exilion will deliver an annual amount of 70 gigawatt-hours (GWh) of the production of the Ii Isokangas wind farm.

Deal Value

Not public

Role

Counsel to Exilion in the negotiation of a long-term Power Purchase Agreement with Axpo for wind power acquired by Colgate-Palmolive.

Contacts

Memberships and Positions of Trust

  • Member of the Finnish Bar Association

Professional Background

  • Senior Associate, Hannes Snellman, 2025–
  • Associate, Hannes Snellman, 2024–2025
  • Krogerus Attorneys Ltd, 2021–2024
  • Itäinen & Ojantakanen Attorneys Ltd, 2019–2021

Education

  • Master of Laws, University of Helsinki, 2019