Tommaso Marossi is a senior consultant in CEPA’s regulation & competition practice, where he advises companies and regulators in the energy and water sectors. Tommaso has worked internationally across all segments of the value chain, with a focus on economic regulation of utility networks, market design and competition.
In utility networks, Tommaso's expertise spans from price controls to contestable markets. Over the last three years he advised Ofgem and Ofwat on a variety PR19, RIIO-GDT2 and RIIO-ED2 workstreams, including cost assessment, incentive design and frontier shift. He also led a competition assessment in electricity distribution connections, designed water developer services and bulk supply tariffs as estimated the level of water poverty in the UK.
At wholesale level, Tommaso advised TSOs on the costs and benefits of the proposed arrangements for day-ahead trading of capacity on electricity interconnectors between GB and EU; estimated revenues from participation to Ireland’s ancillary services market; and assessed Ofgem’s interconnection policy review.
Prior to joining CEPA, Tommaso worked in NERA Economic Consulting’s energy practice. During this time, Tommaso assisted companies on energy market modelling, economic regulation, subsidy estimation and tariff design across several jurisdictions.
Tommaso holds a MSc in Economics (cum laude) and a BSc in Economics from Bocconi University.
Recent News & insights
Ofgem’s interconnector policy review
We set out some important considerations to support Ofgem’s Interconnector Policy Review.
Ofwat outlines its initial views about the Price Review frameworks for 2024 (PR24) and beyond
The regulator of the water sector in England & Wales has published a consultation response, which discusses its high-level ideas for maximising the potential of price reviews to help the sector create value for customers, communities, and the environment.
Assessment of proposed electricity trading arrangements between the UK and EU
Working with international partners, we have delivered a cost benefit analysis of proposed arrangements for day-ahead trading of capacity on electricity interconnectors between GB and other markets following the UK’s departure from the EU.