 Efforts to direct the economies of many countries towards low-carbon economies are being made in order to reduce their impact on global climate change. To replace fossil fuels with hydrogen, efforts have been made to make it technically and economically effective. This includes replacing fossil fuels with hydrogen in areas where electrification is difficult or inefficient. Additionally, hydrogen may play a critical role in renewable energy storage processes. As such, the global hydrogen demand is expected to increase significantly by 2050, while in the European Union, a seven-fold rise in this sector is anticipated. Technical and legislative barriers, as well as environmental impacts of hydrogen production, are key issues when evaluating different technologies. One of these newer technologies is Anion Exchange Membrane, AEM, electrolysis, which has not yet been subjected to any life-cycle assessments, LCA. This paper focuses on calculating the carbon footprint and economic indicators of a green hydrogen plant based on a life-cycle assessment, including the concept of a solar-to-hydrogen plant with AEM electrolyzers operating under Polish climate conditions.