How fast does water need to be flowing to create electicity?

Question: How fast does water need to be flowing to create electicity?
- Keywords:
  electricity,
  energy,
  renewable,
  water
Asked by Joseph to Ollie on 5 Mar 2020.
- Ollie Otter answered on 5 Mar 2020:
  
  The flow rate of water needs to be at least 1.5 m/s to drive a water turbine to generate electricity, but preferably faster. That is the same as 5.5 km per hour or more; a brisk walking pace

Question: How fast does water need to be flowing to create electicity?