Energy and the Environment Energy Sources: Renewables Hydropower

Lesson 4, Topic 3

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Hydropower

Abdulaziz July 15, 2020

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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

https://wiki.uiowa.edu/display/greenergy/Hydroelectric+Power

Hydro Electric Schematic

https://www.mpoweruk.com/hydro_power.htm