Department profile
Advokatfirmaet Thommessen AS

Energy: Renewables

Europe Guide 2026 : Norway

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Advokatfirmaet Thommessen AS

Rankings

Chambers Review

Provided by Chambers

Energy: Renewables - Norway

Band 1

What the Team is Known For

The market-leading team at Thommessen is resourceful in all aspects of the renewable energy sector, with particular prominence in wind and hydroelectric power. The firm provides expert advice to energy and utility companies on grid and infrastructure operations, project development, construction contracts and regulatory issues. It is also well known for its corporate expertise in M&A and financing matters. Thommessen is additionally active in commercial and regulatory disputes.

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Work Highlights

Provided by Chambers

  • Thommessen advised Lyse on matters connected to its acquisition of Hyfe Wind as owners of the Egersund wind farm.

Strengths

Provided by Chambers

  • Thommessen has the ability to connect and understand how legal issues affect the business-critical decisions and solutions. The team has a strong understanding of our industry and provides clear and concise advice.

    Energy: Renewables respondentEurope

  • Thommessen's team consists of knowledgeable and service-minded lawyers and specialists. They are approachable, listen carefully and provide high quality advice.

    Energy: Renewables respondentEurope

  • Thommessen's key distinguishing factor is that the renewables team has a unique blend of in-depth industry legal knowledge combined with a deep commercial understanding of what is important to us.

    Energy: Renewables respondentEurope

  • Thommessen gives reasoned and commercial advice.

    Energy: Renewables respondentEurope

  • The team has a unique holistic approach to our operations. Obviously it has know-how of all legal aspects, but what distinguishes Thommessen from other law firms is its unique knowledge that makes it more of a business developer and strategy adviser than merely a law firm.

    Energy: Renewables respondentEurope

Notable Practitioners

Provided by Chambers

  • Gunnar Martinsen
    Gunnar Martinsen

    Gunnar Martinsen

    Gunnar Martinsen maintains an impressive practice acting for energy clients on large-scale M&A transactions in the sector. He is also recognised for his regulatory expertise.

    • Gunnar Martinsen is the best in the industry on grid matters.

      Energy: Renewables respondentEurope

    • Gunnar Martinsen is an expert in all renewable regulatory topics.

      Energy: Renewables respondentEurope

    • Gunnar Martinsen provides a unique combination of industry knowledge and network with juridical competence.

      Energy: Renewables respondentEurope

    • He is a very good lawyer in his field.

      Energy: Renewables respondentEurope
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  • Bendik Christoffersen
    Bendik Christoffersen

    Bendik Christoffersen

    Bendik Christoffersen is highly sought after by domestic and international renewable energy companies and investment firms. He advises clients on M&A, hydropower taxation and development matters.

    • Bendik Christoffersen has an extreme level of business understanding, strong advisory skills and strong industry understanding.

      Energy: Renewables respondentEurope

    • Bendik Christoffersen is a leader in onshore wind.

      Energy: Renewables respondentEurope

    • Bendik Christoffersen is one of the best within power production, including policy and regulation.

      Energy: Renewables respondentEurope

    • Bendik Christoffersen is the best legal adviser in our sector.

      Energy: Renewables respondentEurope

    • He has brilliant knowledge and understanding in all aspects of the renewables industry.

      Energy: Renewables respondentEurope
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  • Henrik Fabian Torgrimsby
    Henrik Fabian Torgrimsby

    Henrik Fabian Torgrimsby

    Henrik Fabian Torgrimsby assists with the acquisition of hydropower assets and wind farms. He also advises on the investment in and development of hydrogen and biomethane projects.

    • Henrik Fabian Torgrimsby possesses strong drive, advisory skills and negotiation skills.

      Energy: Renewables respondentEurope

    • He's a skilled lawyer.

      Energy: Renewables respondentEurope

    • What truly distinguishes him from peers is his calm and confident manner, his ability to bring out the best in everyone involved and his genuine commitment to achieving the best possible result for the client.

      Energy: Renewables respondentEurope

    • He stands out for his combination of deep legal expertise, strategic clarity and excellent communication skills. He quickly understands complex factual and technical issues and translates them into clear legal arguments.

      Energy: Renewables respondentEurope

    • He is solution-oriented and a skilled negotiator.

      Energy: Renewables respondentEurope
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  • Ole Christoffer Ellingsen
    Ole Christoffer Ellingsen

    Ole Christoffer Ellingsen

    Ole Christoffer Ellingsen advises on the development of hydrogen production facilities in addition to handling PPAs and grid connection matters related to data centres. He also assists with hydropower plant mandates, including watercourse concession issues.

    • Ole Christoffer Ellingsen is very quick to respond. He is a hands-on lawyer who can be reached at any time of day.

      Energy: Renewables respondentEurope

    • He always comes to a solution.

      Energy: Renewables respondentEurope

    • He is a brilliant lawyer.

      Energy: Renewables respondentEurope

    • Ole Christoffer Ellingsen is an amazing help.

      Energy: Renewables respondentEurope

    • Ole is excellent to work with. He is a pleasant person who provides outstanding, timely assistance. He follows up diligently and frequently acts as a sparring partner on matters within the renewable energy sector.

      Energy: Renewables respondentEurope
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Ranked Individuals at Advokatfirmaet Thommessen AS (4)

Norway

Members

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