Power to Heat as Flexibility Option in Low Voltage Grids from Urban Districts

Abstract

This paper analyses how the implementation of demand response on power to heat systems can be used to enable an increased integration of photovoltaic systems in urban districts. In a first step, a thermal model for residential buildings is presented. The next step explains how power to heat systems can apply with a demand response system and how a load shifting works in this context. In the last chapter the added value of power to heat applications that operate by a demand response signal will be investigated. The demand response approach increased the correlation between the entire load and the feed-in of the photovoltaics in the district. Therefore, the residual load could be reduced and the costs as well as the carbon dioxide exhaust for heating energy demand is significantly decreasing.