All generation technologies contribute to the balancing of the electricity network, but hydropower stands out because of its energy storage capacities, estimated at between 94 and 99% of all those available on a global scale (Read: Hydropower storage and electricity generation). This pre-eminence is explained by the numerous advantages of
Like coal in the 19th century and oil in the 20th century, is natural gas becoming the fossil fuel of the 21st century? The growth in its consumption and the evolution of its place in the world energy balance point in this direction (Image 1). While it accounted for only
In a power system with increased need for flexibility, wind and solar power are characterised by considerable volatility across different scales and their output cannot be predicted with certainty. In order to deal with the resulting variations and forecast errors, system operators as well as electricity markets will need to