Hydroelectricity generation - country data from around the world:
The average for 2012 was 24.35 billion kilowatthours.
The highest value was in China: 854.17 billion kilowatthours and the lowest value was in Turkmenistan: 0 billion kilowatthours.
Below is a chart for all countries where data are available for: Hydroelectricity generation.
Definition: Hydroelectric generation excludes generation from hydroelectric pumped storage.