Jadrová energetická spoločnosť Slovenska decided to assess its own potential in zero-emission fuels production. Aspiro created scenarios for various land use alternatives with main focus on wind farms and photovoltaic parks creating a matrix of various options alongside the considered addition in nuclear power capacities. The assessment matrix also encompassed the examination of large-capacity batteries for storing surplus electricity generated from renewable sources for the production of green hydrogen. Additionally, various options for providing ancillary services in conjunction with electrolyzer operation were explored.