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受到信息互联网的成功激励，世界范围内的能源行业都期望通过能源互联网技术(也被称为基于Web的智能电网或智能电网2.0)，为全行业提供基于先进互联及分布式能源智能管理的全新应用。作为欧洲智能电网领域的领先国家，丹麦对于能源互联网的发展有着较为独特的视角。文中在调研了丹麦大量研究与研发活动的基础上，重点介绍丹麦所秉持的两类重要的能源互联网技术理念，即基于服务的灵活性交易，以及跨行业能源系统的集成设计、规划和运行。丹麦希望基于上述理念，为能源工业的不同利益相关方带来全新的商业机会和挑战，并进一步使用新型的技术解决方案促进能源市场的转型和能源互联网的发展。“,”Motivated by the success of internet technologies, energy internet, also referred as web-based smart grid (SG) or SG 2.0, is expected to offer innovative applications based on advanced connectivity and intelligent management of distributed energy resources (DER), systems and services with a strong focus on enabling a paradigm shift in the energy industry. Being the European leader in the development of SG technologies, Denmark has developed its unique understanding of the energy internet. Based on the learning from a number of research and development activities in Denmark, this paper introduced two important subjects of the energy internet from the Danish perspective, i.e., service-oriented flexibility trading and integrated design, planning and operation of multiple cross-sectoral energy systems. Both elements are anticipated to bring in new business opportunities and challenges for different stakeholders in the energy industry; meanwhile these emerging solutions would both require and foster the transform of energy markets to facilitate the development of energy internet.