People
Charlotte Hallam
Consultant
Charlotte joined CEPA as an economist in 2020. Since joining the firm, she has worked on projects across CEPA’s core areas of expertise. Recently, Charlotte has been part of the team working on the delivery of the RIIO-ED2 price controls for Ofgem.

Charlotte Hallam is a consultant, having joined CEPA as an economist in 2020. Since joining the firm, she has worked on projects across CEPA’s areas of expertise. In 2021/22, Charlotte has been part of the CEPA team working as Ofgem’s “strategic partner” for the delivery of the RIIO-ED2 price controls, where she has advised Ofgem on the development of totex benchmarking models and the ongoing efficiency challenge.
More broadly, Charlotte has experience working for governments, regulators and network companies in GB and Ireland on a range of regulation and policy issues. Her recent work includes assessing the impact of an electricity transmission network development plan to achieve decarbonisation targets; a study on how transport interventions can have a “transformational” impact on the local area; and using a “top-down” simulation approach to estimate levels of water poverty across England and Wales.
Charlotte holds an MPhil (Distinction) in Economic Research and a BA (Hons) in Economics from the University of Cambridge, where she specialised in econometrics, banking and finance, and industrial organisation. Prior to joining CEPA, Charlotte completed two internships at Goldman Sachs, where she worked in the Equity Research and European Economics teams within the Global Investment Research division.
- Sector experience:
- Energy
- Transport
- Infrastructure
- Water
- Communications, media & payment systems
- Location:
- United Kingdom