Hydroelectricity capacity, million kilowatts, 2017 - Country rankings:
The average for 2017 was 7.27 million kilowatts.The highest value was in China: 315.28 million kilowatts and the lowest value was in the Comoros: 0 million kilowatts. Below is a chart for all countries where data are available.
Measure: million kilowatts; Source: The U.S. Energy Information Administration
* indicates monthly or quarterly data series