Here's a video which graphicaly depicting GWH annualy of 15 of the top hydro electric energy producers in the world:

Major Hydro Power plants in India:

Energy is an essential input for economic development and improving the quality of life. India is the seventh largest producer of hydroelectricity in the World. Power development in India commenced at the end of the 19th century with the commissioning of electricity supply in Darjeeling during 1897, followed by the commissioning of a hydropower station at Sivasamundram in Karnataka during 1902.

Wanna know more!!

https://www.mapsofindia.com/maps/india/hydropowerproject.htm

The Biggest Hydropower Plants on the Earth: -