Languages

English, Finnish, Swedish

Assistant

Victoria Reiter

Maria Landtman

Partner Projects & Construction

Languages

English, Finnish, Swedish

Assistant

Victoria Reiter

Maria heads 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.

Maria specialises in complex projects particularly within the energy, infrastructure, and commodities sectors, advising a wide range of actors in relation to the suite of project contracts including construction (on e.g. EPC, EPCM or disaggregated basis), equipment supply and operation and maintenance agreements, co-operation, development and other service agreements, grid agreements, and commodity supply and offtake agreements, including corporate PPAs. Maria has extensive experience of project-financed transactions.

Selected References

The Rajamäenkylä wind farm in Karijoki and Isojoki will be completed in 2028 and comprise 54 Nordex N175/6.8 wind turbines with a total capacity of 367 MW. The Honkakangas wind farm in Halsua will be completed in 2027 and comprise 16 Nordex N175/6.525 wind turbines with a total capacity of around 105 MW. The projects have a long-term PPA with a multinational corporate offtaker, and OX2 has also secured a long-term debt financing agreement with Santander Corporate & Investment Banking. The investment amounts to more than EUR 700 million, and the wind farms will remain under OX2’s ownership once constructed.

Hannes Snellman advised OX2 in respect of the construction contracts for full grid and balance of plant, turbine procurement, PPA, development, as well as Finnish law aspects of the project financing.

Our core team comprised Maria Landtman, Klaus Metsä-Simola, Marjaana Martikainen, Katja Perätalo, Minna Juhola, Elisa Panula, Emmi Malm, Julia Ranta, Linda Härkönen, Rauli Elenius, Alisa Ainonen, Elina Uitto, and Jenny Karlsson, (Real Assets), Josefina Aalto, Anna Huttunen, and Oona Aalto (Finance), Piia Ahonen and Harri Vehviläinen (Tax), Olli Mäkelä (Dispute Resolution), and Legal Assistants Victoria Reiter, Salla Mäki, Zoe Röpelinen, Melisa Göllü, and Laura Pöyhönen.

Contacts

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

Parties

SSAB

Transaction

Counsel to SSAB in its transformation project initiated with the decision to build a fossil-free mini-mill in Luleå, Sweden. Once completed, the new mini-mill will replace the current blast furnace-based steel production system, resulting in an estimated 7% reduction of the total CO2 emissions of Sweden. Our team has advised SSAB in e.g. the contracting structure of the project and negotiation of process equipment contracts for the project as lead counsel.

Deal Value

EUR 4.5 billion

Role

Counsel to SSAB

Contacts

Parties

Exilion

Transaction

Counsel to Exilion in respect of Exilion’s solar PV project in the municipality of Simo, Finland, with a planned nominal capacity of 70 MWp and an estimated annual production of 65,000 MWh. Once operational, the project will be one of the largest solar PV projects in Finland. Our team advised Exilion in respect of e.g. negotiating construction, supply, and services contracts.

Deal Value

Value not public

Role

Counsel to Exilion

Contacts

Parties:

Danske Bank, La Banque Postale, Neoen, Prokon

Transaction:

Counsel to Danske Bank and La Banque Postale in respect of matters of Finnish law in the project financing of a Finnish onshore wind farm portfolio consisting of the three onshore wind farms Björkliden, Lumivaara, and Storbötet, co-developed by Neoen and Prokon and currently under construction. These projects will have a combined capacity of approx. 202.5 MW.

Deal value: 

Approx. EUR 220 million

Role:

Finnish Counsel to Danske Bank and La Banque Postale

Contacts

Counsel to Schaeffler, a leading global supplier to the automotive and industrial sectors and one of the world’s largest family companies, in its investment in the Swedish green impact company H2 Green Steel. 

Contacts

Parties:

Exilion (Seller), DNA and Statkraft (Buyers), wind power from the Ii Palokangas wind farm (Target)

Transaction:

DNA and Statkraft's acquisition of wind power from the Ii Palokangas wind farm owned by Exilion.

Deal value:

Value not public

Role:

Counsel to Exilion

Contacts

Hannes Snellman has been engaged by the Finnish state enterprise Metsähallitus in the Pyhäjoki-Raahe and Närpiö offshore wind power development projects. The envisaged nominal capacity of the projects is 3,000 MW.

 

Contacts

Parties:

Myrsky Energia, Copenhagen Infrastructure Partners (CIP)

Transaction: 

Counsel to Myrsky Energia in the formation of a joint venture with Copenhagen Infrastructure Partners (CIP) concerning the investment and development of 1.8 GW portfolio of onshore wind power in Finland.

Value:

EUR 2.3 billion

Role:

Counsel to Myrsky Energia

Contacts

Parties

ib vogt, Helen

Transaction

ib vogt's disposal of 206 MWp solar PV project to Helen.

Deal Value

Value not public

Role

Counsel to ib vogt

Contacts

Parties:

Metsähallitus, Vattenfall

Transaction:

Counsel to the Finnish state enterprise Metsähallitus in the joint venture entered into with Vattenfall concerning Finland’s first large-scale offshore wind farm. Our assignment, commenced in 2021, entailed all legal aspects of the structured sales process followed by the creation of the joint venture and the contractual framework steering the development.

Deal Value: 

Value not public

Role:

Counsel to Metsähallitus

Contacts

Parties 

Keliber Oy, Metso Outotec

Transaction 

Counsel to Keliber in respect of the construction and supply contracts pertaining to the company’s lithium project in Central Ostrobothnia, Finland. The project is one of the most significant battery chemical projects in Europe. Keliber has now signed a contract with Metso Outotec to supply a concentrator plant in Kaustinen and a lithium hydroxide plant in Kokkola, which is one of the key deliveries in respect of the project.

Value

Value not public

Role 

Counsel to Keliber Oy

Contacts

Parties 

State of Finland and its Defence Forces

Transaction 

Counsel to the State of Finland and its Defence Forces in the project to procure a fighter aircraft system to replace its current fleet of 64 F/A-18 Hornet aircraft.

Deal value 

EUR 10 billion

Role 

Counsel to the State of Finland and its Defence Forces.

Contacts

The electricity to be sold by Exilion under the 10-year PPA will be produced in Exilion’s Ii Palokangas wind farm, which is under construction in Northern Ostrobothnia.

Contacts

Counsel to OX2 in respect of the construction contracts for full grid and balance of plant (including transmission line, balance of plant works, substation, and transformers) in respect of the 145,2 MW Niinimäki wind farm in the municipality of Pieksämäki, Finland.

Contacts

Parties:

Exilion Wind, BayWa r.e. Nordic

Transaction:

Exilion Wind's and BayWa r.e. Nordic's wind power joint venture. Through the joint venture, the co-investors will invest and develop the Karhakkamaa wind farm project, which is envisaged to consist of 48 wind turbines with an installed capacity of approximately 350MW.

Deal Value: 

Value not public

Role:

Counsel to Exilion Wind

Contacts

Counsel to Exilion in the Construction and Financing of Isokangas and Palokangas Wind Farms. The projects will be constructed in Ii in northern Ostrobothnia, Finland, and will have an aggregate capacity of 100MW. The estimated yearly production of the two wind farms will be around 320,000 MWh. Our team advised Exilion in respect of negotiating turbine supply and services, balance of plant and financing agreements.

Contacts

  • Maria Landtman

    Partner +358 50 388 9468 maria.landtman@hannessnellman.com

  • Katja Perätalo

    Partner +358 44 505 3764 katja.peratalo@hannessnellman.com

  • Heikki Majamaa

    Specialist Partner +358 44 544 2873 heikki.majamaa@hannessnellman.com

  • Katja Heikkinen

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

  • Julia Ranta

    Senior Associate +358 50 468 8309 julia.ranta@hannessnellman.com

Parties 

Schaeffler (bidder), H2 Green Steel (target)

Transaction 

Schaeffler, a leading global supplier to the automotive and industrial sectors and one of the world’s largest family companies, investment in the Swedish green impact company H2 Green Steel.

Deal Value 

H2 Green Steel raises EUR 190m in series B round

Role 

Counsel to Schaeffler 

 

 

Contacts

Parties:

Veolia Services Suomi Oy, Metsä Fibre

Transaction:

Veolia Services Suomi Oy’s project to build a crude methanol processing plant in connection with Metsä Fibre's Äänekoski bioproduct mill plant in Äänekoski

Deal Value:

Value not public

Role:

Counsel to Veolia Services Suomi Oy

Contacts

Hannes Snellman acts as counsel to Microsoft in Finland.

Contacts

Acted as counsel to OX2 in respect of the construction contracts for full grid and balance of plant (including transmission lines, balance of plant works, substations and transformers) in respect of a 455 MW wind farm in Lestijärvi, Finland. Once operational, the wind farm will be the largest in Finland.

Contacts

Hannes Snellman has been engaged by the Finnish state enterprise Metsähallitus in the Korsnäs offshore wind power development project. The envisaged minimum nominal capacity of the project is 1300 MW, entailing 70–100 turbines with a capacity of 12–20 MW each.

Contacts

Counsel to OX2 in respect of the balance of plant construction contracts for a portfolio of onshore wind projects in Finland with a capacity totalling 154 MW. The portfolio encompasses wind farms Merkkikallio, Puutikankangas and Rustari in the Ostrobothnia, North Ostrobothnia and South Ostrobothnia regions of Finland.

Contacts

Parties 

Keliber Oy, Sweco

Transaction 

Keliber signed an engineering, procurement, and construction management (EPCM) contract with Sweco in respect of a project, which comprises a concentrator plant and lithium mines in Kaustinen, Kokkola and Kruunupyy, and a lithium hydroxide plant in Kokkola.

Value

Value not public

Role 

Counsel to Keliber Oy

Contacts

Parties 

Remeo Oy

Transaction 

Remeo Oy's construction project of a materials recovery facility.

Value

Approx. EUR 35 million

Role 

Counsel to Remeo Oy

Contacts

Parties 

YIT Oyj, Ålandsbanken Wind Power Fund  

Transaction 

YIT Oyj's wind power development project with Ålandsbanken Wind Power Fund, where YIT agreed to sell the project, deliver the balance of plant construction works and manage the construction of the wind farm until commencement of the operation. The aggregate maximum production capacity of the project is 90 MW.

Value

Value not public

Role 

Counsel to YIT Oyj

Contacts

Parties

Exilion Tuuli (Buyer), St1 (Seller)

Transaction

Exilion Tuuli's transaction whereby Exilion Tuuli acquired the wind power production and development business of St1

Deal Value 

Value not public

Role 

Counsel to Exilion Tuuli

Contacts

Parties

City of Espoo, Kumppanuuskoulut Oy, YIT Oyj, Meridiam Investments II

Transaction

The City of Espoo signed a service agreement with Kumppanuuskoulut Oy on the implementation of five schools and three daycare centres

Deal Value

Approx. EUR 300 million

Role

Counsel to City of Espoo

Team

Rabbe Sittnikow, Jussi Ekonen, Janna Pihanurmi, Janne Veneranta, Roosa Väre, Markus Bremer, Maria Landtman, Samuli Pirinen, Heikki Vesikansa, Harri Vehviläinen, Piia Ahonen, Joakim Lavér

Contacts

Rankings

  • Ranked in Lexology Index / Construction, 2025
  • Recognised as Green Ambassador in the Europe Green Ambassadors list, Legal 500, 2025
  • Ranked as Leading Partner, Real estate and construction, Legal 500, 2025
  • "Katja Perätalo, Maria Landtman and the team have been fantastic to work with. They have a strong command of their subject, demonstrable track record and have provided quality advice despite evolving project circumstances and challenging timescales.", Real estate and construction, Legal 500, 2025
  • Clients say: "She is very good in all aspects, including market knowledge and technical knowledge.", "Maria is a skilled and sharp attorney. She drafts superbly, and her negotiation skills are a great asset to any project.", Energy & Natural Resources, Chambers Europe, 2025
  • “Maria has demonstrated a valuable understanding of business logic and an ability to adjust approach if needed. She is highly skilled and pleasant to work with.”, “Maria is an experienced, focused and committed adviser, and has a pragmatic way of seeing things. It is always a pleasure to work with her.” Chambers Europe, 2024
  • Leading Individual, Real estate and construction, Legal 500, 2024
  • Recognised as a Rising Star Partner in Project Development, IFLR1000, 2024
  • Recommended by clients and peers, Who’s Who Legal: Energy, 2024
  • "Maria Landtman is the best partner you can work with. Understands the client’s needs as expressed in layman’s terms, analyses it, and provides a solution that is feasible from both legal and commercial perspectives.", Real estate and construction, Legal 500, 2024
  • Recommended in the Energy - Oil & Gas, Who's Who Legal, 2023
  • "Professional.", IFLR1000, 2023
  • "Maria Landtman's ability to drive contract negotiations forward is very helpful. She provides carefully considered and pragmatic advice.", Energy & Natural Resources, Chambers Europe, 2023
  • "Very good personnel skills – excellent at negotiations and communicating. Excellent command of the English language. Tenacious. She is a formidable attorney with deep experience of complex mega-construction contractual elements. She provides carefully considered and pragmatic legal advice which takes into consideration the commercial and financial context of the issue. She is a pleasure to work with. Good legal advice and intelligent approach with contractual mechanisms, excellent understanding of the market in our business sector. Professional and positive attitude.", IFLR1000, 2022
  • "Positive and professional.", IFLR1000, Financial and corporate, 2021
  • "Maria Landtman is recommended for project and construction work", Real estate and construction, Legal 500, 2019

Memberships and Positions of Trust

  • Member of the Finnish Bar Association

Professional Background

  • Partner, Hannes Snellman, 2020–
  • Specialist Partner, Hannes Snellman, 2017–2020
  • Castrén & Snellman, 2010–2017
  • Clyde & Co LLP, London, 2006–2010
  • Dittmar & Indrenius, 2004–2005

Education

  • LL.M., University College London, 2006
  • Master of Science (Economics), Hanken School of Economics, 2003
  • Master of Laws, University of Helsinki, 2003