The Operation Mode of Distributed Energy System under the Background of Energy Interconnection

Abstract

This paper analyses the typical operation mode of distributed energy system under the background of energy interconnection and proposes the “monopoly of purchase and marketing” operation mode and the “aggregation service provider” operation mode of energy interconnection. Between them, the latter covers two main auxiliary services including frequency regulation service and reserve service. Then, the method for calculating the expected cost and benefit of the illustrated model is proposed in this paper. Taking the Pearl Industrial Park of Guangdong Province as an example, the numerical analysis is carried out to obtain the cost and benefit of the distributed energy system under the above two modes. Finally, we use the control variable method to analyse the impact of key parameters on the static investment payback period, including grid price, PV subsidy price, auxiliary service price, output distribution coefficient, etc.