Hydroelectric is the use of moving water to turn turbines that generate electricity, usually through the building of dams or pump stations on rivers.
And hydroelectricity is the king of renewable energy, making up 70% of the renewable energy produced around the world. And for good reason.
They’re kind-of the perfect energy source. It’s stable, base-load energy that’s flexible. If you need more electricity, just release more water into the turbines.
They’re cheap to run and maintain once they’re built and they’re 95% efficient at generating energy, compared to 33% for coal and 15% for solar.
Read the full article here:
https://answerswithjoe.com/hydropower-vs-geothermal-renewable-energy-best/