Urban Power Grid Topology and Hierarchy Identification from Open Data

• URL: http://arxiv.org/abs/2606.21352v1
• Date: Fri, 19 Jun 2026 11:51:38 GMT
• Title: Urban Power Grid Topology and Hierarchy Identification from Open Data
• Abstract summary: This paper develops an open-data-driven framework for identification of urban power grid topology.<n>We fuse public infrastructure data (power-lines, substations, transformers, poles) to map the high and medium-voltage skeleton.<n>We then leverage geospatial machine learning on OpenStreetMap to group power demand clusters.<n>We reconstruct the complete grid topology that connects 7,330 buildings and all major electricity infrastructure assets.
• Score: 53.468443050795344
• License: http://creativecommons.org/licenses/by-nc-nd/4.0/
• Abstract: Understanding the complex topology and hierarchy of urban power grid is crucial for energy prognosis, power flow management, and system resilience analysis. However, detailed grid information remains largely proprietary. This creates significant barriers for research and innovation, especially when analyzing the last-mile distribution networks connecting individual buildings. This paper addresses this challenge by developing an open-data-driven framework for the complete identification of urban power grid topology, from high-voltage transmission down to individual building connections. Particularly, we fuse public infrastructure data (power-lines, substations, transformers, poles) to map the high and medium-voltage skeleton using graph-based algorithms. We then leverage geospatial machine learning on OpenStreetMap building data to group power demand clusters, and infer the physical topology of the final distribution lines linking the clustered buildings. We apply the developed framework to the district of Alna in Oslo, Norway, and we reconstruct the complete grid topology that connects 7,330 buildings and all major electricity infrastructure assets. With the research in this work, we provide a critical tool that facilitates power system analysis, e.g., power flow optimization, cascading failure simulation, and grid resilience against the penetration of distributed renewable generation.

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