Energy Internet integrates small-scale renewable energy systems, electric loads, storage devices, and electric vehicles for effective transaction of power backed by emerging technologies such as Internet of Things, vehicle-to-grid, and blockchain. The Energy Internet adopts the mechanism of “regional coordination and hierarchical control” to realize the clean power compatibility and reliability in power operation. First, this paper. Energy Internet,sponsored by Chinese Society for Electrical Engineering (CSEE), and published by China Electric Power Research Institute (CEPRI) in cooperation with the Institution of Engineering and Technology (IET), is a multidisciplinary gold open access journal covering power and energy, power. Therefore, a new energy paradigm is known as the “Energy Internet” that combines economics, energy, and technology in an open, equal, and coordinated fashion. On this basis, the hierarchical ring network autonomy (HRNA) topological generation and evolution mechanism of the Energy. Energy Internet, a futuristic evolution of electricity system, is conceptualized as an energy sharing network. Its features, such as plug-and-play mechanism, real-time bidirectional flow of energy, information, and money can lead to significant benefits and innovation in electricity production and. In today's rapidly changing energy landscape, achieving a more carbon-free grid will rely upon the efficient coordination of numerous distributed energy resources (DERs) such as solar, wind, storage, and loads. This new paradigm is a significant operational shift from how coordination of.