关键词：需求侧管理；系统工程；电力系统；节能
摘 要：Demand-side management (DSM) work which is a kind of system engineering is involved with not only many participators like governments, power grid enterprises, power generation enterprises, energy conservation service companies, power users, and others but also many links like the DSM project planning, establishment, design, implementation, post evaluation, etc. Different participators have respective objects and interests; the specialization of every link is comparatively strong and knowledge about multiple aspects such as electric power system, technical economy, environmental protection, law, etc.