The base demand at a node can comprise of up to 5 different demand categories, each of which can have its own time pattern. By default, it is assumed that 100% of the base demand is generated by a demand category which follows Time Pattern 1. However, the time pattern no. can be changed by the user, and the base demand can be split up in further demand categories. The base demand of a node can, for instance, comprise of 3 demand categories, as follows:
