Hydrogen production in Wales could come from a range of processes and sources, such as electrolysis, steam methane reforming of natural gas with carbon capture, bioenergy, or nuclear generation.
Gallai cynhyrchu hydrogen yng Nghymru ddod o ystod o brosesau a ffynonellau, megis electrolysis, ailffurfio nwy naturiol â stêm methan gyda dal carbon, bioynni neu gynhyrchu niwclear.