This book aims to highlight the particular situation faced by certain hydropower companies by the fact that they cannot fulfil their contracts due to force majeure.  The first part of this book will be an analysis of how water is used in electricity production. It is  important to point out that all types of energy sources use water, to a different extent,  of course, and that its spatial and temporal availability is very important. The focus  will be on hydropower, presenting the current situation at the global level, and the effect of reducing the amounts of water in the river...