Optimising energy storage for communtiy-based rooftop PV systems:a study of battery sizing with aggregated buildings

Shaher, Abdullah and Cipcigan, Liana ORCID: https://orcid.org/0000-0002-5015-3334 2025. Optimising energy storage for communtiy-based rooftop PV systems:a study of battery sizing with aggregated buildings. Presented at: UPEC 2025, London, UK, 02-05 September 2025. 2025 60th International Universities Power Engineering Conference (UPEC). IEEE, 10.1109/UPEC65436.2025.11279873

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Abstract

The Kingdom of Saudi Arabia (KSA) is receiving great interest in the field of renewable energy to preserve the climate and environment. Solar energy is becoming popular for domestic applications in Saudi Arabia because of its significant solar energy capability. The value of rooftop solar photovoltaic (PV) generation has increased due to the favorable conditions in community energy systems in the cities. This research study investigates the potential for rooftop solar photovoltaic to supply the electricity demand in localised urban areas minimising the import from the grid. In this study, a localised energy system in Abha city is proposed. This city is the capital of Aseer Province located near the Red Sea in the southwest of the country. In this study, different types of loads are considered: (i) residential loads with a monthly aggregated energy consumption of 172,440MWh and an electric demand of 239.5 MW and (ii) commercial loads with a monthly aggregated energy consumption of 179,280MWh and an electric demand of 249 MW. At present, the load is supplied by the grid. This is collaborative research with the electricity company and is using real data for the localised urban area. This paper presents the benefits of community energy systems across different levels of building aggregation. The initial case study offers valuable insights into the impact of various factors on achieving a balance between power demand and rooftop PV generation within a community. In the second case study, a comparison is made between different building types in both commercial and residential areas.The findings confirm that the optimal battery size, demand, and PV production vary significantly across different building types.

Item Type:	Conference or Workshop Item (Paper)
Date Type:	Published Online
Status:	In Press
Schools:	Schools > Engineering
Publisher:	IEEE
ISBN:	9798331565213
Last Modified:	08 Jan 2026 12:24
URI:	https://orca.cardiff.ac.uk/id/eprint/183566

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