water, electrolysis, gas, pipeline?

Question

Hi, I can't sleep, so I started looking at these questions, and thought about some old questions.
Would wind power be enough to generate electrolysis?
If it is enough, then could someone use a wind mill power generator thingy, to power an electrolysis plant, to turn sea water into hydrogen and oxygen ( I'd guesss there would be some kind of nasty byproducts from the salt), but, the gases would be separately pumped up hill into the mountains (easier than liquid water) then up in the mountains the gases would be recombined, by burning them ( where this procedure could be used to fuel more electricity generators) and the product of burning these gases would be water vapour, which could be collected and condesed into liquid water, which could be used to top up the rivers and fill the dams.
But I have no idea about the types of numbers involved.
And I'm just being an insomniac, too tired to think straight, but just can't fall off to sleep.

what if it's fresh water, would that help the problem of pumping water up hill, ?
If a desalination plant was used to get rid of the salt, then the water was split into hydrogen and oxygen pumped up hill and recombined. would that save energy? probably not, it'd probably take too much energy to electrolyse the water in the first place. oh well it's 5:35 am I'd better at least try to get some sleep.

Answer 1

Pumping water would be easier.

Also, the salt in the sea water means you get hydrogen and chlorine from electrolysis instead of hydrogen and oxygen.