Hydropower

Table of contents WIP Introduction Tech Applications Numbers

What is hydropower? Hydropower or water power is power derived from the energy of falling and running water, which may be harnessed for useful purposes. Hydropower plants Green energy Requires rivers / large height differences

Physical basis First, water is in the reservoir The water runs to turbines that rotate the generator Electricity is formed in the generator and then transformed into power grid for consumers

Starting from the efficiency, output power is…

Another way to define the power of hydropower plant

The Generated Voltage time voltage

Hydropower in Finland Over 250 plants, from 178 MW to 0.4 MW First one in 1891 in Tampere 4% of Finland’s total energy consumption comes from hydropower

Issues Land usage: - Size Wildlife impacts - Fish - Natural water flow disturbed Spoiled landscape

Presentation by J-P, Eero and Jasu Finnish Comenius team Erkko-lukio 2014 This project has been funded by the European Commission. The Commission accepts no responsibility for the contents.