Objective: to develop a digital model of the “Lastochka” electric train within the SimInTech universal general-purpose modelling environment for a comprehensive analysis of its energy consumption and dynamic behaviour. The digital model enables examination of the influence of various operational factors on the train traction and energy characteristics. Methods: the study employed mathematical and simulation modelling implemented in the SimInTech software environment. Results: a model has been developed, with its algorithms allowing variation of the main factors affecting the train’s energy performance. These factors include traction train parameters; track characteristics such as vertical profile, horizontal alignment, and operation in tunnels; the condition of the power supply system; train mass as a function of passenger load; and external climatic conditions, such as wind speed and direction. Practical significance: the findings of this study are relevant to engineering practice in the railway transport sector. The developed model provides an effective tool for virtual testing, energy-efficiency analysis, and optimization of train operational modes aimed at reducing operational costs. The model can be integrated into more comprehensive simulation frameworks. It can be employed to address non-standard research challenges, including the development of optimal control systems and the forecasting of energy consumption on new routes.