Microgrid Testbed for Cybersecurity Studies: A Platform for Testing Attacks and Resilience

Abstract

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A microgrid is a localized distribution network that consists of electricity users who have access to local renewable and other energy sources. Typically, it is connected to a utility distribution grid but can also function independently. The utility grid plays a crucial role in the nation's economy and security, as well as the well-being of its residents. However, connecting different microgrids to a wider network through a utility's substation can expose them to significant cyber threats. This study examines cybersecurity vulnerabilities in microgrid systems using a testbed approach. By simulating various cyberattack scenarios on a microgrid testbed, we assess the impact of different attack types on microgrid operations, with a particular focus on system stability and communication networks. Attacks such as denial of service, communication hijacking, and others are explored. Our findings highlight significant weaknesses in the communication infrastructure and provide insights into designing microgrids that can effectively address cybersecurity challenges in real-world industrial utility networks.