Portrait of Jostein Kristensen

Jostein Kristensen : Partner

Jostein’s expertise is in market analysis, competition and regulatory economics in the energy and infrastructure sectors. He advises companies, governments, investors and regulators on commercial disputes, investigations, and transactions.

Jostein has provided expert advice, reports and testimony in the electricity, natural gas, oil, renewable energy and coal sectors. He has testified in international arbitrations and presented evidence in cases brought in front of European and national competition and regulatory authorities in the context of competition investigations, contract disputes, damages claims, and regulatory price control appeals.

Jostein is listed as an Expert in the Who’s Who Legal guide to leading economic and financial experts in the energy sector.

Jostein speaks English, and Norwegian.

Tel: +44 (0) 20 7776 6696

Jostein's specialisms include:

professional experience

  • Valuation of damages for a claim against a producer of underground and submarine power cables that had participated in a cartel (2015–18)

  • Damages valuation for an international energy trading firm in a dispute relating to multiple breaches of a long-term supply agreement (2016)

  • Economic adviser to TenneT on reform of electricity transmission price controls in Germany and the Netherlands, including reforms aimed at integrating renewable generation capacity (2018–20)

  • Economic assessment of the impact of Ofgem’s Targeted Charging Review of electricity transmission and distribution charges (2019)

  • conomic advice to the Dutch Ministry of Economic Affairs and Climate on reform of price regulation in the district heating sector and analysis of the impacts of reform proposals (2019)

  • Economic advice to the States of Jersey on the design of its strategy to achieve carbon neutrality by 2030 (2019)

expert experience

  • Expert report submitted on behalf of the respondent in an arbitration concerning a renewable energy dispute (2020)

  • Expert report submitted on behalf of a renewable electricity producer in a dispute over the decision to withdraw support in the form of feed-in tariffs for certain renewable generation technologies (2019–20)

  • Expert reports and testimony for the claimant in an international arbitration concerning a long-term power purchase agreement pricing dispute (2018–19)

  • Expert reports submitted on behalf of the respondent in an investor‒state arbitration involving an oil and gas sector claimant (2016–18)

  • Expert reports and testimony submitted to the UK Competition and Markets Authority (CMA) on behalf of firmus energy in its appeal of the GD17 price control (2016–17)

  • Expert reports and testimony on behalf of the claimant, EDF International, in an arbitration against the Republic of Hungary (2011–14)


  • Kristensen, J. and Burger, A. (2019), ‘Economic analysis and state aid in the energy and nuclear sectors’, in U. Feldmann, C. Raetzke and M. Ruttloff (eds), Atomrecht in Bewegung, Nomos, pp. 67–74.

  • Kristensen, J. (2014), ‘What’s a CfD worth to you?’, Utility Week, 21 November.

  • Kristensen, J. and Gill, A. (2008), ‘How Competitive are Energy Supply Markets?’, Competition Law Insight, 7:5, 6 May.

  • Kristensen, J. (2007), ‘Is Ownership Unbundling the Best Strategy for Energy Sector Reform?’, Competition Law Insight, 6:3, 13 March.


  • MSc Business Economics, University of Manchester Institute of Science and Technology (UMIST)

  • MEng Engineering Manufacture and Management, UMIST

Latest Insights:  Jostein Kristensen

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Oxera’s new Energy Model enables detailed analysis of a range of future scenarios involving the energy generation mix in Europe. The interactive map below showcases one example relating to price…
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The prolonged period of high energy prices in Europe has called into question the current design of electricity markets, and in particular the direct link between gas and electricity prices.…
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In the context of a rapid increase in global energy and carbon prices since September 2021, questions have emerged around the functioning of the EU carbon market and the role…
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We face a number of barriers to reaching net zero. This includes scarce access to finance, slow policy and regulatory coordination, and insufficient adoption of decarbonisation solutions by businesses and…

Navigating Merger Control

Together with Skadden and ThoughtLeaders4, Oxera is delighted to invite you to join us on Tuesday 4 June, along with senior members of the EU and UK judiciary and competition authorities, to discuss the current complexities in navigating merger control. Click here to register for the… Read More

Image depicting Navigating Merger Control

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