Dynamic robustness modelling of electricity critical infrastructure elements as a part of energy security

•Dynamic Robustness Modelling (DRM) in Electricity Critical Infrastructure (ECI).•The DRM is a stochastic method that uses principles of integral calculus.•The DRM models the ECI element robustness decrease as a disruptive event function.•The DRM can predict the critical point of failure in performance in ECI element.•The case study examines an intentional man-made attack on a transformer station.