Will more water be used and less energy given out or less water used and more energy given out?

Question: Will more water be used and less energy given out or less water used and more energy given out?
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Asked by to Veronica on 17 Jun 2014. This question was also asked by .
- Veronica Celorrio answered on 17 Jun 2014:
  
  Hi Nimxh!
  
  I don’t know if I understand your question…but I will give it a go and you tell me if this is what you meant.
  
  When hydrogen is made from water, in the best of the cases, there is no need to apply external energy rather than solar energy. So it would be zero energy consumed.

Question: Will more water be used and less energy given out or less water used and more energy given out?