Commissioned by the Prime Minister’s Public Sector Science and Technology Policy and Plans Office (S&TPPO) and in collaboration with all relevant agencies, researchers from TUMCREATE and A*STAR’s Institute of High Performance Computing (IHPC) set out to create the first high-fidelity, island-wide simulation of electric vehicle (EV) transport in Singapore, called SITEM, short for Singapore Integrated Transport and Energy Model.
SITEM integrates multiple aspects of mobility and energy modelling, including the movements of individual vehicles, drivers’ decisions where and when to charge, as well as the interaction of EV charging demand with the capacity of the power grid. The project conducts a comprehensive analysis of projected electric vehicle charging patterns and energy demand, which will support policymaking on Singapore’s budget 2040 vision for all vehicles to run on cleaner energy. Such initiative will greatly contribute towards Singapore’s decarbonisation commitments.
This collaboration between the research teams and relevant government agencies allows for integration of the best from two research institutes to address national level challenges.”
The live coupling of the mobility simulator CityMoS and the power grid simulator MESMO provides insights into the inter- dependencies of both systems. These advanced scenario modelling capabilities have enabled regulatory agencies to explore and evaluate various pathways to vehicle electrification. For example, given that private electric cars will generally park longer than the actual duration required for the car to fully charge, smart charging management can help reduce grid infrastructure upgrade costs without compromising the overall energy provisioned to the electric cars.
SITEM makes it possible to estimate the efficiency gains from such systems and to model their impact alongside or in combination with other mechanisms such as incentive-based demand shifting, smart scheduling, and local energy storages.