1. Hydropower Worldwide, an installed capacity of 777 GW supplied 2998 TWh of hydroelectricity in 2006. 20% of the world's electricity, and accounted for about 88% of electricity from renewable sources.

2. Hydro power: dates back to medieval period. Auburn and surrounding area: accessible hydro power important aspect in early development (“Fall line”) First hydro electric plant: Appleton, Wisconsin, 1882, two years after Edison demonstrated incandescent lighting to the public. 12.5 kW. Largest: Three Gorges Dam complex in China. 25,615 MW (completion in 2011).

3. Current use of hydropower

4. Major schemes under construction

5. Proposed 50,000 MW project (?)

7. Basic Principles

9. Francis Turbine: Grand Coulee

10. Francis Turbine: Three Gorges

11. Guide vanes Low flow Full flow

12. Kaplan Turbine: Bonneville

13. Pelton wheel