Skip to main content


Tomas Haug has 15 years of consulting and testifying experience. He specialises in providing economic assessment and damages quantification in litigation and international commercial and investment treaty arbitration proceedings at venues such as ICSID, ICC, DIS, PCA, and ad hoc for both public and private entities. Mr. Haug has provided testimony—predominantly in energy and commodities markets (including nuclear, gas and electricity, solar, offshore wind, and biomass)—involving the quantification of lost profits and price adjustments of long-term contracts. His testimonies have helped arbitral tribunals adjust contract terms on the basis of change of circumstance, hardship, and/or on the basis of anti-competitive behavior. Who’s Who Legal has recognized Mr. Haug as the top of his generation in the arbitration future leader series (2021–2024).


Mr. Haug further provides advisory services to private companies, investors, and regulatory authorities on a wide range of economic and financial matters, including financial and tariff modelling, access pricing, competition policy matters, tariff structure, efficiency studies, and wider questions of regulatory reform. He is a CFA charterholder and an expert on cost of capital estimation, financial modelling, and the assessment of financial risk, including the design of mechanisms to mitigate risk. Mr. Haug has also acted as a due diligence advisor in several recent billion-euro network sales in Germany, Austria, France, Belgium, the Czech Republic, and the UK, as well as other countries.

Mr. Haug is recommended as a leading energy expert by Who’s Who Legal (2019–2023), where he is touted as a first-rate economist who “receives a plethora of endorsements from peers and has over 15 years of experience providing economic assessment and damages quantification in energy disputes.” Mr. Haug is credited for having “strong analytical skills and considerable experience handling matters across the gas and storage markets.” 


  • Master in economics and management (Diplom-Kaufmann), University of Magdeburg, Germany (“Best Graduate”)
  • MSc in economics, with honors, University of Quebec in Montreal, Canada


  • Chartered Financial Analyst (CFA)


In Who’s Who Legal: Energy Experts 2023, Mr. Haug’s clients recognized:


  • He “is a leading name in the energy market with over 20 years’ experience,” and
  • He provides “expert advice on economic assessments and quantification of damages.”


In Who’s Who Legal: Arbitration Future Leader 2024, Mr. Haug’s clients recognized:


  • “He has particular expertise in energy disputes” and
  • “Is a very quick and thorough thinker.”