Secure Communication Protocols for Renewable-Powered EV Charging Infrastructure

The integration of renewable energy systems with electric vehicle (EV) charging infrastructure has introduced complex communication and security challenges that demand standardized and resilient solutions. This chapter provides a comprehensive examination of secure communication protocols enabling interoperability, data integrity, and privacy in renewable-EV ecosystems. It delineates the multi-segment communication architecture linking renewable energy sources, charging stations, aggregators, and grid entities, emphasizing latency, reliability, and cyber resilience requirements. A detailed comparative analysis of key standards—OCPP, ISO 15118, IEC 61850, DLMS/COSEM, and emerging IoT protocols—highlights their functional capabilities, interoperability, and inherent security mechanisms. The discussion extends to prevalent vulnerabilities across protocol layers and the adoption of advanced protection techniques, including encryption schemes, authentication protocols, intrusion detection systems, and secure firmware management. Furthermore, the chapter explores cutting-edge enablers such as blockchain-based trust frameworks, AI-driven anomaly detection, edge-intelligent architectures, and quantum-resistant communication paradigms for future-proof security. Real-world case studies, including Tesla Superchargers, Hubject Plug & Charge, and renewable-integrated EV microgrids, illustrate practical implementations and security lessons. The chapter concludes by identifying critical research gaps in standardization, scalability, and lightweight cryptography, underscoring the necessity for adaptive, AI-enhanced security frameworks to ensure the reliability and integrity of next-generation renewable-powered EV infrastructures.