In order to improve energy efficiency and renewable energy accommodation, energy efficiency optimal dispatch is proposed for park-level energy internet. In view of the multi-energy flow characteristics of park-level energy internet, a new indicator named energy utilization exergy-efficiency is proposed. The indicator introduces the concept of exergy and considers the impact of grid-connected microgrid and distributed renewable energy. A corresponding model of energy efficiency optimal dispatch is established. The rationality and superiority of the proposed indicator and model are verified by case study.

exergy-efficiency, energy internet, incremental distribution network, optimal dispatch, renewable energy