Home PeopleSilja Piironen Practices Energy Environment & Natural Resources Projects & Construction Industries Energy & Infrastructure Engineering & Machinery Environment, Natural Resources & Circular Economy Languages Finnish, English Download CV Download contact Send secure email LinkedIn Silja Piironen Title: Senior Associate Projects & Construction Email: silja.piironen@hannessnellman.com Mobile: +358 40 580 7175 Languages: Finnish, English Practices Energy Environment & Natural Resources Projects & Construction Industries Energy & Infrastructure Engineering & Machinery Environment, Natural Resources & Circular Economy Languages Finnish, English Download CV Download contact Send secure email LinkedIn 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. Selected References Counsel to Locus Energy Ab in Its Acquisition of Portfolio of Three Operating Finnish Wind Farms from SUSI Renewable Energy Fund II, 2025 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 Counsel +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 Counsel to Exilion in the Negotiation of a Long-Term Power Purchase Agreement, 2025 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 Maria Landtman Partner +358 50 388 9468 maria.landtman@hannessnellman.com Silja Piironen Senior Associate +358 40 580 7175 silja.piironen@hannessnellman.com 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