Under the background of power system reform in the new era, China Southern Power Grid proposes to transform into smart grid operators, energy industry value chain integrator and energy ecosystem service providers, and build an open, cooperative and mutually beneficial energy ecosystem. The ecological development trend of integrated energy services under the energy ecology is focused on, and the methodology and architecture of how to build an integrated energy ecological platform is put forward. The policy environment for the formation of the ecological platform and the infrastructure needed for the platform are comprehensively analysised. Product thinking and service thinking are changed to platform thinking and platform-based enterprises.