How Does the Rate of Photovoltaic Installations and Coupled Batteries Affect Regional Energy Balancing and Self-Consumption of Residential Buildings?

Andrea Reimuth, Veronika Locherer, Martin Danner and Wolfram Mauser
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Andrea Reimuth: Department of Geography, LMU Munich, Luisenstr. 37, 80333 Munich, Germany
Veronika Locherer: Department of Geography, LMU Munich, Luisenstr. 37, 80333 Munich, Germany
Martin Danner: Department of Geography, LMU Munich, Luisenstr. 37, 80333 Munich, Germany
Wolfram Mauser: Department of Geography, LMU Munich, Luisenstr. 37, 80333 Munich, Germany

Energies, 2020, vol. 13, issue 11, 1-18

Abstract: The strong expansion of residential rooftop photovoltaic (PV) and battery storage systems of recent years is expected to rise further. However, it is not yet clear to which degree buildings will be equipped with decentral energy producers. This study seeks to quantify the effects of different PV and battery installation rates on the residential residual loads and grid balancing flows. A land surface model with an integrated residential energy component is applied, which maintains spatial peculiarities and allows a building-specific set-up of PV systems, batteries, and consumption loads. The study area covers 3163 residential buildings located in a municipality in the south of Germany. The obtained results show minor impacts on the residual loads for a PV installation rate of less than 10%. PV installation rates of one third of all residential buildings of the study region lead to the highest spatial balancing via the grid. The rise in self-consumption when utilizing batteries leads to declined grid balancing between the buildings. For high PV installation rates, regional balancing diminishes, whereas energy excesses rise to 60%. They can be decreased up to 10% by the utilization of battery systems. Therefore, we recommend subsidy programs adjusted to the respective PV installation rates.

Keywords: residential PV systems; battery storage systems; energy flow modeling; regional grid balancing effect; PV self-consumption (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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