LAWYER PROFILE
Sanna-Mari Seppälä

Sanna-Mari Seppälä

Europe 2026

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Ranked in 1 practice area

About

Provided by Roschier

Europe

Practice Areas

Principal Associate Sanna-Mari Seppälä is specialized in energy, infrastructure, natural resources and industrial projects with a particular focus on demanding and market first projects, especially in renewable energy. She has extensive experience in advising clients on environmental and energy law as well as permitting of development projects and compliance with permits in the construction and operational phases. Sanna regularly represents clients in negotiations for energy and other industrial projects that require an in-depth understanding of both the industry, and the regulatory framework, such as renewable energy PPAs, offtake agreements and joint development agreements.

Her experience covers, among others, permitting and regulatory advice in respect of offshore wind energy projects, data center projects, electricity distribution systems as well as hydrogen and green fuel production plants, many of which have been the first of their kind in Finland.

In addition to an LLM degree from the University of Helsinki, Sanna holds an LLM degree in Energy and Natural Resources Law from the Queen Mary University of London, graduated with distinction. She has also been seconded twice to a major refining company, firstly during the preparations for a major turnaround and secondly during the implementation phase of the major turnaround.

For further information, please see https://www.roschier.com/people/sanna-mari-seppala

Chambers Review

Provided by Chambers

Chambers European Guide

Energy & Natural Resources - Finland

Associate to watch
Associates to watch

Individual Editorial

Sanna-Mari Seppälä advises clients on environmental permitting and energy regulatory matters for hydropower and other renewable energy projects.

Strengths

Provided by Chambers

  • Sanna-Mari Seppälä is an extremely talented lawyer. She's very effective and doesn't miss anything, even when schedules are tight and matters are complex. She has a pragmatic approach and explains everything in an understandable way. In addition, she's polite and always listens to her clients and takes their views into account. We could not feel more satisfied and safe when Sanna-Mari acts as our adviser.

    Energy & Natural ResourcesChambers European Guide

Ranked Individuals at Roschier (65)

Finland

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