Mobile substation (IMAGE) DOE/Idaho National Laboratory Caption Idaho National Laboratory researchers conducted a full-scale cybersecurity experiment involving a mobile substation and a series of protective relays connected to the lab’s power grid test bed. July 2021. Credit Idaho National Laboratory Usage Restrictions n/a License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.