The ‘very experienced and knowledgeable team’ at Arntzen de Besche is a key partner to multinational oil and gas companies and domestic electric utilities. Heading up the oil and gas team, Karl Erik Navestad is a leading contact for transactional and project development mandates concerning conventional energy assets and energy transition infrastructure. Elsewhere in the team, Anders Rødland has expertise in corporate and M&A matters, advising major multinational players on the Norwegian Continental Shelf. Odd-Harald B. Wasenden provides clients with ‘longstanding experience and deep, wide legal knowledge’ in the electricity market, offering expertise across regulatory, and compliance issues. Rune Tjomsås Andersen is a key contact across the conventional and renewable energy landscapes, serving as a specialist on energy tax matters within M&A, project development, and disputes mandates. Renewable energy experts Stig Walle and Thomas Borch-Nielsen joined from Advokatfirmaet Grette AS in February 2024.

BAHR’s energy and environmental law team brings ‘strong capabilities across legal disciplines’, serving as a key adviser to energy companies on project development mandates. Jon Christian Thaulow heads up the department and regularly acts for major energy solutions companies and project developers on high-profile energy transition transactions. Petroleum law team head Stig Klausen Engelhart is a leading authority on M&A and project developments across the energy transition, with expertise in carbon capture, sustainable aviation fuel, and hydropower projects. Managing partner Thomas K. Svensen is a key figure within the firm’s oil and gas presence, acting for hydrocarbon producers in high-value transactions concerning projects and infrastructure as well as in significant asset and interest disputes. Trond Lingaas has further expertise in landmark and complex M&A mandates regarding oil and gas businesses and assets.

Advokatfirmaet CLP DA provides clients with ‘a detailed and commercial view of the energy market’, demonstrating real competence in transactions concerning clean power and electricity assets. Lars Gunnar Aas heads up the renewable energy, power and transmission team, advising project companies on M&A and investments surrounding battery facilities and renewable power technologies. Practice co-head Amund Erdal acts for domestic utilities and multinational energy investors and developers across investments, developments, and power purchase agreements regarding solar, wind, and biofuels facilities.

Specialising in M&A and contentious matters, CMS Kluge ‘puts together a competent team with the right variety of in-depth knowledge’ to advise major multinational oil and gas companies on landmark mandates. The energy, industry and climate team is headed up by Olav Hasaas, who regularly assists major domestic and multinational energy companies with investments and project development mandates, particularly in the offshore wind segment. Asle Bjelland, who has deep experience in arbitration and litigation, regularly represents clients in disputes concerning energy projects and agreements. Siv Madland has expertise in contracting matters for energy transition projects as well as in oil and gas licence M&A. Camilla Grytten and Stig Even Jakobsen departed the firm in early 2024.

The ‘dedicated and very competent team’ at DLA Piper demonstrates expertise across M&A, corporate, and contentious matters within the renewable energy segment. Energy regulation and planning specialist Anders Hilt heads the reewable energy group. Siren Skalstad Ellensen leads on corporate and regulatory matters concerning energy transition players, while head of regulatory and IP Line Voldstad handle disputes impacting renewable energy, carbon capture, and emissions regulations. Former team head Kaare Oftedal left the firm in October 2024.

The energy team at Advokatfirmaet Grette AS brings expertise to disputes, contracts, and corporate matters in the renewable energy and electricity infrastructure spaces. Marius Svendsvoll Langnes is a key contact within the team, acting for energy suppliers, utilities, and power developers on project development and construction mandates. Axel M. Thorsdal has further expertise in development projects in the renewable power and energy transition segments and is regularly sought after by operators on landmark mandates. Marie Braadland is recommended for her contract and public procurement expertise. Stig Walle and Thomas Borch-Nielsen left the firm in February 2024.

Advokatfirmaet Haavind AS has positioned itself as a key adviser in the energy transition, demonstrating across its offshore and renewable energy teams a close connection with major decarbonisation players. Leading the renewable energy team and demonstrating knowledge across asset types, Aksel Tannum offers domestic energy companies a breadth of expertise across disputes and transactions. Elsewhere in the team, Mari Reitzel Bjerke is a specialist adviser to renewable energy players, particularly in litigation, contractual, and construction law mandates concerning grid, hydropower, and wind assets. Jøran Sandvik specialises in wind power projects, transactions, and disputes, while Christopher Sveen, who heads up the offshore team, is a leading authority on offshore construction mandates, assisting key industrial players with contracting matters on the Norwegian Continental Shelf. Longstanding M&A expert Bård Sandstad has a significant track-record in high-value offshore transactions.

The renewable energy team at Advokatfirmaet Hjort provides broad expertise across the electricity and clean power segments. Planning, licensing, and stakeholder engagement expert Kristin Bjella leads the team and regularly acts for major domestic energy utilities and project companies on landmark matters concerning wind and hydropower assets. Across the team, Jørn A. Uggerud leads on transactional and project development mandates in the offshore wind sector, Rolf Trolle Andersen is highly sought after among electricity utilities and energy-intensive consumers for power grid and network developments, and Kenneth Høgevold has expertise in M&A and regulation issues concerning the electricity and heat sectors.

Kvale Advokatfirma DA fields ‘agile and accurate’ experts across the energy sector, providing particular expertise on M&A mandates in the oil and gas and hydropower sectors. The oil and gas team acts for major international companies active on the Norwegian Continental Shelf, offering multidisciplinary advice concerning conventional energy assets, offshore services, and power production. The practice is headed up by offshore energy and oil services expert Gry Bratvold, who provides leading multinational energy companies with a wealth of expertise on contracting and project development mandates. Heading up the electricity and renewable energy team, Christian Poulsson regularly assists clean power producers on significant M&A, regulatory, and contentious matters. Kristin Ourom is a notable adviser among Norwegian distribution service operators and hydropower producers, providing key expertise in major strategic mergers. Former oil and gas practice co-head Yngve Bustnesli departed the firm in August 2024, and Tommy Bruun joined the practice in early 2025.

SANDS demonstrates ‘exceptional industry knowledge’ in the energy services sector. Leading the oil and gas team, Lars Berge Andersen is a highly sought after adviser among offshore and oil services companies for M&A, financing, contracting, and dispute mandates. Guy Leonard has expertise in project, structuring, and contracting matters regarding vessels and oil and gas units. Alf Øystein Skudal heads up the renewable energy department, specialising in corporate law and transactions concerning renewable energy and grid assets. Skudal’s leading clients are active across the power and infrastructure operation and offshore services industries.

With ‘excellent industry knowledge’, Advokatfirmaet Schjødt is a key contact across transactions and regulatory issues in the energy sector, particularly concerning oil and gas assets. Preben Willoch heads up the firm’s cross-sector energy, shipping and infrastructure team and is a highly sought-after adviser to upstream exploration and production companies on the acquisition of oil and gas assets and portfolios. Erlend Brun Bakken brings further expertise to energy services companies on commercial and M&A matters in the oil and gas and energy transition segments. Camilla Grytten, who joined from CMS Kluge in February 2024, acts for energy and infrastructure clients on M&A matters regarding oil, gas, and renewable energy assets. Sindre Søndenå Andersen leads on renewable energy transactions, possessing a familiarity across wind power and battery storage technologies. Sverre Bjelland and Torkjel Kleppo Grøndalen left the firm in early 2024.

Delivering a ‘combination of extremely high commercial and legal expertise’, Selmer has particular strength regarding the regulatory challenges facing the conventional and renewable energy sectors. Leading the renewable energy team, Håkon Sandbekk is a key contact for the transactional, development, and regulatory aspects of grid infrastructure and offshore wind projects. Liv Monica Stubholt focuses her practice on the regulatory, strategic, and corporate matters which impact energy utilities in the development of renewable energy projects. Anders Flaatin Wilhelmsen heads up the oil and gas team, representing oil majors in landmark litigation matters and impactful M&A, licence, and taxation disputes. Øyvind Olimstad leads the team’s advice to oil E&P companies and operators on the acquisition of participating interests, while Martin Tandstad Ege assists domestic contractors concerning oil and gas fields, offshore gas projects, and offshore wind facilities.

Advokatfirmaet Simonsen Vogt Wiig ‘possesses a trust-building knowledge of both the practical and the legal aspects’ of the energy sector. A key contact is oil and gas practice co-head Bjørn-Erik Leerberg, who acts for major international oil and gas companies on contractual, and regulatory matters concerning the production and commercialisation of hydrocarbons. Gunnar Espeland also co-heads the team, assisting with corporate, contracting, and commercial mandates regarding oil and gas assets, infrastructure, and services. Climate energy industry team head Peter Aall Simonsen regularly acts for project companies on commercial, financing, and regulatory matters in the offshore wind and biofuel spaces. Fellow practice head Robin Aker Jakobsen is notable for his experience in grid and electricity transmission regulation and is highly sought after among clients in the emerging battery and hydrogen projects spaces. Nikolai Brøvig departed the firm in April 2024.

Advokatfirmaet Thommessen AS fields highly sought-after advisers for transactional mandates concerning oil and gas assets, energy infrastructure, and renewable energy facilities. Headed up by longstanding wind and hydropower expert Bendik Christoffersen, the renewable energy and infrastructure department regularly advises clean power developers and operators across M&A and project development mandates. Key contacts include Snorre Valdimarsson, who acts for leading domestic and multinational energy companies on M&A mandates surrounding electricity and heat generation assets, and Jacob F Bull, who specialises in the development of landmark battery production facilities. Christian Hals, who focuses his practice on hydrocarbon asset M&A, leads the oil and gas and oil service teams. Bolstering the firm’s expertise, Audun Stornes assists with regulatory matters concerning oil and gas transactions, June Snemyr advises oil majors on transition journeys, and Pål Lieungh and Mads Haavardsholm are key contacts for regulatory issues and transactions in the oil services sector.

Between its renewable energy and oil and gas teams, Wiersholm is a specialist in regulatory issues, project developments, and disputes. Co-leading the oil and gas department, Kjetil Stensvik is a notable contact in the energy transition, assisting major public and private sector clients across carbon capture and storage and offshore wind project development, regulation, and contracting mandates. Fellow oil and gas practice head Torkjel Kleppo Grødalen joined from Advokatfirmaet Schjødt and leads on project development and contract matters concerning oil and gas infrastructure, biofuel facilities, and offshore wind farms. In the renewable energy segment, team co-head Inge Ekker Bartnes is a key contact, advising energy project operators on development mandates, M&A, and disputes within the hydropower, wind, and carbon removal segments. Jon Rabben also co-heads the team, acting for major domestic and multinational energy companies on regulatory, M&A, and project development matters regarding landmark and innovative renewable energy projects.

Across its renewable energy and oil and gas teams, Wikborg Rein offers ‘second-to-none industry knowledge and an ability to combine legal theory with commercial savvy’. Tormod Ludvik Nilsen co-heads the renewable energy and green investments team and has real expertise in regulatory, corporate, and project development matters, particularly concerning wind and hydropower facilities. Caroline Skaar Landsværk also leads the team, assisting leading domestic and multinational energy companies on M&A and joint venture mandates across a diverse range of renewable energy technologies. Fellow renewables group co-head Christian James-Olsen has offshore energy expertise, while Aadne Haga leads the oil and gas team, serving as a leading contact among major foreign gas companies on landmark arbitration matters. A key adviser to Norwegian Continental Shelf players, Cathrine B. Hetland focuses her practice on interest transactions concerning carbon capture and storage and oil and gas assets.