The full-service energy offering at Arntzen de Besche spans commercial contracts work, regulatory advice, financing mandates, and M&A deals, acting for contractors and construction companies on developments, offshore wind projects, and contentious mandates. Karl Erik Navestad leads the oil and gas team, while Odd-Harald Berg Wasenden takes point on electricity and renewable energy matters. Rune Omdahl focuses on licensing, field development, and transactional matters for major oil, gas, and energy companies, particularly on the offshore side. The core team also includes energy tax specialist Rune Tjomsås Andersen, seasoned oil and gas adviser Anders Rødland, and associate Aleksander Dypvik Myklebust, who is recommended for international electricity projects. Thomas Borch-Nielsen joined the practice from Advokatfirmaet Grette AS in early 2024.

Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • 'The team is a good mixture of experience and new talent.'

  • 'Odd-Harald Wasenden has a very good understanding of the functioning of the energy markets along with a deep knowledge of the regulation.'

  • 'Very active in the market and good market insight to legal and M&A activities.'

  • ‘Availability and level of service.’

  • 'Flexible and forthcoming to discuss complex issues. Highly available and service-minded. Anders Rødland is a very good lawyer.'

Key clients

  • Agdereierne
  • Nortura SA
  • Gassco AS
  • Eviny AS (formerly BKK AS)
  • Bulk Infrastructure Group AS
  • Trollfjord AS
  • Norske Skog Saugbrugs AS
  • TrønderEnergi AS / Aneo AS
  • Nasdaq Spot AB / Nasdaq Oslo ASA / Nasdaq Clearing AB
  • Elkem ASA /Elkem Iceland ehf.
  • Enova SF
  • Norsk Hydrogenforum
  • Biokraft AS
  • Lime Petroleum AS
  • The government of Iceland
  • Fram Wind Solutions AS
  • Nyrstar Corporation/Nyrstar Høyanger AS
  • Ecopro AS
  • DNO ASA
  • Vår Energi AS
  • OMV
  • INPEX Idemitsu Norge
  • Altera Infrastructure
  • E.ON SE
  • Edison S.p.A.
  • Pandion Energy

Work highlights

  • Advising energy companies Trollfjord AS and Andøy Energi Holding AS in connection with entering into transaction agreements with Nordkraft AS with a deal value of NOK7.5bn.
  • Assisting Ecopro AS, a major biogas producer, in connection with its factory that currently holds a production capacity on 45,000 tonnes of food waste and sludge per year, providing approximately 37GWh biogas per year.
  • Advised Lime Petroleum AS on all aspects of the process in connection to a NOK1.25bn FRN Senior Secured Bond.

Lawyers

Next Generation Partners: Electricity and renewable energy
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.

Practice head

The lawyer(s) leading their teams.

Karl Erik Navestad, Odd-Harald Berg Wasenden

Other key lawyers

Anders Rødland, Rune Omdahl, Rune Tjomsås Andersen, Aleksander Dypvik Myklebust, Thomas Borch-Nielsen