Comment: 11 pages, 6 figures, 1 tableThis paper focuses on assessing the potentials for the efficient low carbon development in green hydrogen and ammonia economy using an example of Ukraine as a case study. It describes the country prerequisites for the transition to renewable energy sources and outlines the ongoing green hydrogen projects. Moreover, it offers a comprehensive SWOT analysis of Ukraine engagement in the green hydrogen and ammonia economy. Furthermore, the paper employs a comprehensive bibliometric network analysis using a sample of 204 selected publications indexed in the Web of Science database. It is doing so by carrying out the network cluster analysis using the text data as well as the bibliometric data with the help of VOSViewer software. The results and outcomes might be helpful for researchers, stakeholders, and policymakers alike in devising effective strategies and policies aimed at rebuilding and recreating Ukrainian efficient low-carbon energy sector based on the renewable energy sources.