This would be perfect match for NEL.

''power-to-gas options are seen by researchers as particularly promising.''

https://www.energy-storage.news/news/exclusive-portugal-to-hold-50-100mw-energy-storage-auction-in-2020

Similar situation is in many places. Just hope that the governments can see the whole picture, i.e. hydrogen can be used for all energy applications. On top of that countries like Japan and South Korea will import hydrogen in the near future.