Does water represent energy? The water energy is transformed into electrical energy in the turbine and generator. But how much energy can you get? Try yourself by filling in the fields below! Some examples of Swedish water reservoirs with belonging water power plants:
Water reservoir Power plant
Name Size m.above sea level. Name Head Flow

Mm3 *

m m3/s
Vänern 9400 44 Vargön 5,2 696
Siljan 660 162 Älvkarleby 20 620
Trängslet 880 389 Trängslet 130 268
Storsjön 1250 294 Stadsforsen 27,8 533
Storuman 1100 352 Harrsele 52,6 465
Suorva 6000 423 Harsprånget 105 982


* 1 Mm3 = 1 000 000 m3

m3 water
metre head
flow in m3/s
In the turbine you can then get abt. megawatt

Electrical energy, kWh, is   enough to support a Swedish city with
inhabitants for one year

Pollution from energy production.Comparison between different types of  production.
To produce this amount of electricity - how large will the... discharge of CO2

discharge of SO2

discharge of NOx

copper consumption

need of land

.

 

...be?

(Click on desired pollution type to find out)


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