Smart City Gnosys
Smart city article details
| Title | Statistical Building Energy Model From Data Collection, Place-Based Assessment To Sustainable Scenarios For The City Of Milan |
|---|---|
| ID_Doc | 52990 |
| Authors | Mutani G.; Alehasin M.; Usta Y.; Fiermonte F.; Mariano A. |
| Year | 2023 |
| Published | Sustainability (Switzerland), 15, 20 |
| DOI | http://dx.doi.org/10.3390/su152014921 |
| Abstract | Building energy modeling plays an important role in analyzing the energy efficiency of the existing building stock, helping in enhancing it by testing possible retrofit scenarios. This work presents an urban scale and place-based approach that utilizes energy performance certificates to develop a statistical energy model. The objective is to describe the energy modeling methodology for evaluating the energy performance of residential buildings in Milan; in addition, a comprehensive reference dataset for input data from available open databases in Italy is provided—a critical step in assessing energy consumption and production at territorial scale. The study employs open-source software QGIS 3.28.8 to model and calculate various energy-related variables for the prediction of space heating, domestic hot water consumptions, and potential solar production. By analyzing demand/supply profiles, the research aims to increase energy self-consumption and self-sufficiency in the urban context using solar technologies. The presented methodology is validated by comparing simulation results with measured data, achieving a Mean Absolute Percentage Error (MAPE) of 5.2%, which is acceptable, especially considering city-scale modeling. The analysis sheds light on key parameters affecting building energy consumption/production, such as type of user, volume, surface-to-volume ratio, construction period, systems’ efficiency, solar exposition and roof area. Additionally, this assessment attempts to evaluate the spatial distribution of energy-use and production within urban environments, contributing to the planning and realization of smart cities. © 2023 by the authors. |
| Author Keywords | domestic hot water; electrical consumption; energy efficiency; energy performance certificates (EPCs); QGIS; renewable energy sources; residential buildings; self-consumption; self-sufficiency; solar technologies; space heating; statistical model; Urban Building Energy Modeling; urban scale |
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