Hydropower Worldwide, an installed capacity of 777 GW supplied 2998 TWh of hydroelectricity in % of the world's electricity, and accounted for about 88% of electricity from renewable sources.
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 kW. Largest: Three Gorges Dam complex in China. 25,615 MW (completion in 2011).
Current use of hydropower
Major schemes under construction
Proposed 50,000 MW project (?)
Basic Principles
Francis Turbine: Grand Coulee
Francis Turbine: Three Gorges
Guide vanes Low flow Full flow
Kaplan Turbine: Bonneville
Pelton wheel