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The dual pressure of energy crisis and environmental pollution has prompted the world’s energy sector to change in the direction of clean, efficient, sustainable and pollution-free, and RIES (Regional Integrated Energy System) has emerged. The deployment of energy storage devices in the RIES can deepen the connection of each energy system, release the spatial and temporal constraints of multiple energy sources, and thus improve the energy utilization and economy of the integrated energy system. Based on the infrastructure and model of the RIES, this paper studied the synergistic optimal configuration of electricity storage, power-to-gas (P2G) technology, cooling storage and heating storage in the case of multi-energy complementation operation of combined cooling, heating and power supply (CCHP) unit and other equipment. Firstly, an optimal configuration model of multiple energy storage in the RIES based on the optimal operational economy was proposed. Then, the economics and feasibility of configuring different energy storage combinations in the system were analyzed. Finally, the benefits of energy storage devices in the regional integrated energy system were quantified and analyzed by the economic indicators and low carbon emissions reduction indicators. By employing an industrial district RIES in northern China as the study case, the operation scheduling scheme and energy storage allocation scheme were solved by the optimization model proposed in this paper. The results show that the RIES containing multiple types of energy storage can consume more distributed new energy, improve economic efficiency and reduce carbon emissions. And this model has a good application prospect.

e3s web of conferences

Research on optimal allocation strategy of multi-energy storage in regional integrated energy system considering the quantification of low-carbon economic benefits