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

Many different organisations, including the European Commission, the United Nations and the International Labour Organization (ILO), have expressed a desire to ensure that decarbonisation involves a ‘just transition’.1 The organisations…
On 7 June, the European Commission published its draft climate, energy and environmental aid guidelines (CEEAG). More comprehensive than the previous version, these guidelines cover new technologies (such as hydrogen)…
With many countries around the world signing up to targets of net zero carbon emissions, what is the role of economics in the climate change debate? Economics can help to…
Having published its Draft Determinations (DDs) in July 2020,1 on 8 December 2020, Ofgem published its Final Determinations (FDs) for the RIIO-2 price controls for the GB electricity transmission (ET),…

The Economics of Climate Change at COP26

Oxera will be presenting on The Economics of Climate Change at COP26—the 2021 United Nations Climate Change Conference—in Glasgow, on one of the world leaders’ days on 2 November 2021. The aim of COP26 is to increase global alignment on climate action. We will be demonstrating to the world’s governments,… Read More

Image depicting The Economics of Climate Change at COP26