If precipitations falls on high ground, they exhibit
so-called potential energy: On their way down through
the valleys to the sea, the water can do work. -
Therefore, mountainous countries with sufficient
rainfall are particularly suitable for making use
The map shows the theoretical energy potential
in relation to the country area, in MWh/km²a.
The values are based on the Survey of Energy Resources
2004, published by the World Energy Council WEC.
They have been used with permission of the editor