Silja Piironen
Silja Piironen
Silja advises clients in relation to energy, construction, and infrastructure projects. Prior to joining Hannes Snellman, Silja worked as an associate at the energy and environment practice of another major Finnish law firm, where she specialised in energy transactions and advised clients on the development of renewable energy projects.
References
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

Katja Heikkinen

Tapio Teräkivi

Elisa Panula

Silja Piironen

Aleksi Maunumäki

Josefina Aalto

Oona Aalto

Mikko Huimala

Jenni Heurlin

Karoliina Kaartinen
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.

Maria Landtman

Silja Piironen
Education and Professional Background
- Senior Associate, Hannes Snellman, 2025–
- Associate, Hannes Snellman, 2024–2025
- Associate, Krogerus Attorneys Ltd, 2021–2024
- Associate, Itäinen & Ojantakanen Attorneys Ltd, 2019–2021
- Master of Laws, University of Helsinki, 2019