Portrait of Derek Yide Song

Derek Yide Song : Consultant

Derek is a member of Oxera’s Finance & Valuation practice and focuses on regulatory finance and commercial disputes. He has worked extensively on energy regulation cases involving cost of capital estimation, financial modelling, and profitability assessments, and on commercial disputes involving breach of contract, valuation or insolvency proceedings.

Before joining Oxera, he completed a Master’s in Management at the London School of Economics and a Master’s in Finance at the University of Warwick. He completed his undergraduate studies in Philosophy, Politics and Economics at the University of Warwick in 2016. Derek has completed internships in private banking and private equity, and is a Level III CFA candidate.

Derek Yide speaks Chinese, and English.

Tel: +44 (0) 1865 253035

Derek Yide's specialisms include:

professional experience

  • Regulatory and economic assessment of the appropriate investor compensation arrangements in Ireland (2021−)

  • Advice for UK water and energy networks on the cost of equity and financeability issues in the context of the PR19 and RIIO-2 price controls (2020−)

  • Advice for a Nordic energy company on the appropriate level of gearing and profitability in the context of a regulatory appeal (2020−)

  • Advice on financial analysis for Co-op Funeralcare, in the context of the CMA’s funerals market investigation (2019−)

  • Assisted Scottish Power, Innogy and RES in assessing the impact on commercial viabilities of renewable technologies, system costs and consumer costs in the context of Ofgem’s TCR reforms (2019–)

  • Analysis of merger cost synergies in the context of a litigation between a supranational organisation and a global logistics company (2019–)


  • MSc Management, London School of Economics, UK

  • MSc Finance, University of Warwick, UK

  • BSc (Hons) Philosophy, Politics and Economics, University of Warwick, UK

Latest Insights:  Derek Yide Song

9 minute read
Across Europe and around the world, hydrogen is gaining traction as a low-carbon energy source with new use cases. In this two-part series, we provide an overview of key strategic…
9 minute read
The Competition and Markets Authority (CMA) has published its Final Determination (FD) of the appeals in respect of Ofgem’s RIIO-GD2 and RIIO-T2 (‘RIIO-2’) price control reviews. Out of 12 grounds…
7 minute read
Across Europe and around the world, hydrogen is gaining traction as a low-carbon solution to our energy and transport needs. This is the first of two articles investigating the key…

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