Reasonability of “Fit and inform” for sources up to 50 kW within LV networks

Abstract

This paper is devoted to the possible feasibility of amendment of #167 Directive of Europe Parliament and of the Council on the promotion of the use of energy fromrenewable sources [1] from December 6th 2017 (Subclause #17, Paragraph #1), stating the following: "Demonstration projects and installations with an electricity capacity of less than 50 kW shall be allowed to connect to the grid following a notification to the distribution system operator". Additionally, it discusses legislation aspects of connecting the generations to the distribution system in the Czech Republic in context of fit and inform procedure. The LV networks of the biggest DSO are analyzed regarding possible connection of 50 kW generation under existing conditions and considering planned LV network retrofit till 2040.