Anthony Fontanini enhanced the NREL/OpenStudio-HPXML repository by developing a targeted feature for EV energy modeling that accounts for building vacancy. He updated the unavailable_periods.csv data to ensure EV charging and discharging are marked as unavailable during unoccupied periods, directly addressing the risk of overestimating energy consumption in vacant buildings. This work required careful data management and a nuanced understanding of energy modeling principles, leveraging CSV manipulation to improve model fidelity. Anthony’s contribution deepened the repository’s support for occupancy-aware simulations, laying groundwork for more accurate and trustworthy energy predictions in future revisions without introducing unnecessary complexity or bugs.