A proposal to update and enhance the CityGML energy application domain extension
Giorgio Agugiaro (TU Delft - Urban Data Science)
Rushikesh Padsala (Stuttgart University of Applied Sciences)
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Abstract
The CityGML Energy Application Domain Extension (ADE), released in 2018, offers an open and standardised data model to facilitate multi-scale Urban Energy Modelling applications. The Energy ADE is based on and extends CityGML 2.0 and has been already used in several national and international projects, mainly focusing on the simulation and computation of the building energy performance based on the integration of semantic 3D city models and other sources of information. The technological innovations (e.g.The release of CityGML 3.0 in 2021) and experiences and feedback collected since its release have contributed to forge several new ideas to improve and update the Energy ADE. Since 2024, work has been going on to harmonise and implement such ideas, towards a so-called Energy ADE 2.0. This paper provides an overview of the development process of the conceptual model so far, and presents a selection of the major changes and improvements that have been made to the original data model of Energy ADE.
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