Lesson 1, Topic 1
In Progress


Abdulaziz July 15, 2020
  • Uses the potential energy of rivers
  • supplies 17.5% of the world’s electricity
    • 99% in Norway
    • 57% in Canada
    • 55% in Switzerland
    • 40% in Sweden
    • 7% in USA
  • apart from countries with abundance water, hydro capacity is normally applied to peak load demand
  • readily stopped and started
The Kotmale Dam is a hydroelectric and irrigation dam in Kotmale, Sri Lanka. Kotmale Dam is the second largest hydroelectric power station in Sri Lanka.
hydroelectric power station on Naryn river, Kyrgyzstan.
  • Water held up by a dam
  • Channelled past turbines
  • Shaft of turbine turns generator
  • Spinning magnets of generator convert rotational energy into electricity

Hydro Electric Schematic