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Yaroslav Melekh

Dr. Yaroslav Melekh is a Research Fellow at the Bartlett School of Environment, Energy and Resources. During his time at UCL, Yaroslav has worked as a Consultant on Energy Transition Technologies for the World Bank and has served as a Senior Executive Officer at the UK Government’s Department for Energy Security and Net Zero (DESNZ).

Yaroslav’s research spans a broad range of green transition areas, such as climate finance in developing countries; energy innovation; electricity markets and UK-EU (hybrid) interconnection; and the political economy of European energy scenarios and phasing out natural gas. Currently, he is working on the development of energy sector recovery scenarios in Ukraine, with a focus on green hydrogen opportunities and de-risking investments in renewables. His research also looks at the role of a guarantee instrument in risk underwriting for low-carbon investments in lower-income countries.

Prior to joining UCL, Yaroslav had public and private sector careers. More recently, he worked as a Country Programme Manager at the Swedish Development Cooperation Agency (Sida) and an Energy Attaché on Climate and Environment at the Embassy of Sweden in Kyiv. In this role, he oversaw a portfolio of development cooperation projects on energy & climate, collaborating with the Ukrainian and Swedish governments, multilateral development banks (MDBs), diplomatic missions, and international organisations. Before that, Dr Melekh also worked as a consultant on renewable energy investments, advised on national decarbonisation policies and the European Green Deal, and worked as a bioenergy market analyst.

By this expert

Europe’s Gas Roller Coaster

Article | May 13, 2025

A new INET Working Paper by Yaroslav Melekh, James Dixon, Katrina Salmon, and Michael Grubb, interrogates the contradictions between fossil lock-in through LNG import capacity and overcontracting, and policy-driven demand reduction. Here is a summary of the paper’s main findings.

European Natural Gas through the 2020s: the Decade of Extremes, Contradictions and Continuing Uncertainties

Paper Working Paper | | May 2025

This paper examines in detail the interrelationships between the EU’s concerns, its energy policies, and the resulting challenges and uncertainties facing European gas through the rest of the decade, and beyond.