Portrait of Ilyes Kamoun

Ilyes Kamoun : Senior Consultant

llyes is a member of Oxera’s Energy and Litigation & Arbitration teams. His work focuses on damages estimation in complex litigation and arbitration cases in the energy sector. Ilyes has experience in a variety of cases—including breach of contract, contract price renegotiations, investment disputes under the ECT, abuse of dominance, and cartel damages—in the oil and gas, nuclear, and power sectors. He has assisted in the preparation of expert evidence for the Competition Appeal Tribunal, the UK High Court, the International Court of Arbitration, and the London Court of International Arbitration. Ilyes’ work also focuses on providing advice for regulated energy companies in the areas of cost of capital, project risk sharing design, and innovation incentive mechanisms.

Ilyes speaks English, and French.

Tel: +44 (0) 1865 253230

Ilyes' specialisms include:

professional experience

  • Assessed regulatory liability and quantified damages on behalf of a national government in an ECT claim brought against it due to changes to its solar PV Feed-in-Tariff (FiT) regime (2020–)

  • Audited the cost of capital requests of the French TSO (RTE) and DSO (ENEDIS) on behalf of the French energy regulator (Commission de régulation de l’énergie) for the operators’ regulated asset base for the price control period TURPE6 (2020)

  • Advised a ferrosilicon manufacturer on an abuse of dominance claim against a state-owned power generator (2018–19)

  • Provided litigation support to National Grid in evaluating the damages resulting from a European cartel in the power cables market (2018–20)

  • Quantifying damages on behalf of an international telecoms company in its ICC dispute with an international digital financial services platform regarding the termination of a sale purchase agreement between the two parties (2018–19)

  • Advised a water company on mechanisms for sharing design and construction risk for a large investment (2018)


  • MBA, University of Oxford, UK

  • BA Economics and Computer Science, Harvard University, USA

Latest Insights:  Ilyes Kamoun

The deployment of renewable energy technologies looks set to continue to grow. However, it can be challenging to integrate these technologies into existing policy frameworks and energy systems. Renewables have…