Real Case Study of Loss Allocation in Distribution Systems with RES

This paper deals with variable energy losses in distribution networks and their allocation. Adequate, transparent and fair loss allocation is crucial for identification the user's responsibility for the losses cost in the network and affects future installations of renewable energy sources (RES) and loads and network development. There are three approaches for allocation of losses to users of distribution systems: average, marginal and actual. This paper uses actual approach for loss allocation in distribution systems. Namely, power summation method for loss allocation is implemented on real distribution network in North Macedonia. The calculation of loss allocation is performed for period of one calendar year using seasonal 24 hours typical load diagrams scaled according to the maximum registered load and seasonal daily generation curves of the RES according to the installed power. The results are presented and discussed. Useful conclusions are presented at the end.