Hydroelectricity, or hydroelectric power, is electricity produced from hydropower. In 2015, hydropower generated 16.6% of the world's total electricity and 70% of all renewable electricity, and was expected to increase by about 3.1% each year for the next 25 years.

What does hydroelectric mean in kid terms?

Kids Definition of hydroelectric

: relating to or used in the making of electricity by waterpower hydroelectric power.

What is hydroelectricity and how does it work?

Put very simply, hydroelectric power is generated using flowing water to spin a turbine which turns a shaft that's connected to an electric generator. ... The bigger the elevation and the more water that flows through the turbine, the greater the capacity for electricity generation.