Digital transformation means embedding data, connectivity, and intelligent systems into every layer of the value chain from power plants to customers. Discover the cutting-edge technologies driving digital transformation in the energy sector, transforming operations, integrating renewables, and enhancing resilience. From AI and IoT to microgrids and energy management systems, gain insights into emerging trends, market statistics, real-life. The new phase of the energy transition is unfolding in three waves, each building on the last: scale and cost reduction, technology and infrastructure expansion, and system integration. The scientific literature is then divided into four categories, each of which represents a different perspective on the EI as shown through its definitions, assumptions, scope, and application. The Energy Internet represents a transformative paradigm integrating advanced power systems, distributed renewable energy, and digital technologies to achieve efficient, resilient, and sustainable energy management. The development of the economy and human society is closely related to the exploitation of expansive sustainable distributed energy systems and advanced technologies.