H2 storage can also be done by liquefaction, which is a lot more practical than compressed when we are talking longish-term storage. Yes, you will use energy to

H2 storage can also be done by liquefaction, which is a lot more practical than compressed when we are talking longish-term storage. Yes, you will use energy to cool and liquefy H2, but a lot of this can be recovered when you go back again.