This book brings together breakthrough ideas and practical engineering insights, offering readers immediate access to innovative solutions that address today’s most pressing challenges in power and energy systems. It emphasizes the benefits of intelligent, data-driven approaches—especially those enabled by AI, IoT, and advanced smart grid technologies—that enhance reliability, efficiency, and resilience in modern energy infrastructures. Building on cutting-edge contributions from the symposium, the book introduces new perspectives on intelligent energy systems, energy internet and IoT applications, energy regeneration, storage technologies, and cybersecurity for critical infrastructure. By bridging theoretical research with real-world implementation, it demonstrates how intelligent technologies can transform the way energy is produced, distributed, and consumed, supporting global sustainability and decarbonization goals. With a broad interdisciplinary scope, the book is intended for researchers, engineers, industry professionals, and graduate students working in power engineering, intelligent systems, renewable energy integration, computer science, and applied sciences. Key uses include supporting academic research, guiding industrial innovation, informing policy decisions, and serving as a valuable resource for advanced teaching and professional development.