IBPSA Project 1: BIM/GIS and Modelica framework for building and community energy system design and operation – ongoing developments, lessons learned and challenges

IBPSA Project 1 develops and demonstrates an open-source BIM/GIS and Modelica Framework for building and community energy system design and operation. The project builds further on the completed project IEA EBC Annex 60 “New generation computational tools for building and community energy systems based on the Modelica and Functional Mockup Interface standards.” This paper describes the motivation and approach of the project, and it provides an...