A vectorized Monte Carlo generator of synthetic electrical load profiles for road tunnels. The tool models lighting, ventilation, and auxiliary power demand as a function of tunnel geometry, traffic patterns, and stochastic disturbances (pollution episodes, accidents). Developed as part of the SmartTunnel research project, a collaboration between the University Sidi Mohamed Ben Abdellah (USMBA, Fès, Morocco) and the OIE laboratory at Mines Paris – PSL. If you use this software, please cite it as below.