This great, hydrogen is used industrialy in massive quantities, but the current method to get it is very expensive as it requires "cracking" natural gas or other petro fuels. Hydrolising water will allow scaled production on site, that can be powered from availible excess renewable energy. For countrys that have abu dent solar potential, but arrid coastal shores, doing solar distilation for water, hydrogen generation for agricultural/industrial products, and energy storage can become the foundation for economic development that scales as far as population demands requires. Good use can be put to the brines left over from distilation, sodium, and other metals can be recoverd. Thinking about how sodium reacts with water, there is probably a reasonable way to use that as an stationary industrial energy source. All of the current methods of hydrogen generation and use are outdated, useing century old techniques, with the ineficiencys typical of early industrial methods, ie: lots of money to be made!