Advances in SE3 Service
BUILSPACE is changing the way cities are developed with advanced services for buildings and urban areas. It seamlessly integrates external data using advanced technologies such as EGNSS and Copernicus data. Its services range from accurate building assessments with digital twins to urban heat and flood risk analysis at the city level.
A key BUILSPACE service is Service 3 (SE3), which focuses on building energy monitoring and forecasting to improve resilience to climate change. This service enables analysis of energy performance under different climate scenarios, providing insight into current energy demand and its evolution under accepted scenarios. This service supports decision-making processes at the city level.
The initial strides in advancing SE3 have commenced within Riga city (Pilot 2). These efforts have focused on developing a methodology for the characterization of the buildings using the available information and the calculation of the energy demand for the baseline (heating and cooling).
The information used for the characterization of the buildings has been extracted from multiple sources, such as the case of cadastral information from the Latvia Government, and has been combined with the data from OpenStreetMap, to improve the geometry of the buildings. Besides, data from the TABULA/EPISCOPE project has been used to enrich the models of the buildings. Climate data has been gathered from historical hourly temperature records obtained from weather stations. Additionally, hourly solar radiation data for various orientations has been sourced from PVGIS.
The methodology has been implemented in a particular district, encompassing various municipal buildings, private houses, and typologies representative of the municipality. This application aims to identify and rectify any potential errors while meticulously assessing the obtained results.
These initial results, which can be seen in the picture, are promising, proving that the information available is sufficient to characterise the energy demand. Furthermore, the upcoming actions have been delineated, centring on conducting energy estimations for the entire building inventory of Riga city. This will also encompass projections for various future climate scenarios, integrating appropriately processed data from Copernicus.
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