Abstract
This paper considers the multi-energy flow characteristics of the integrated energy system and the impact of renewable energy access, and proposes an energy utilization index that is suitable for the energy efficiency assessment of the multi-energy collaborative integrated energy system. The index can comprehensively reflect the consumption rate of renewable energy and the utilization level of non-renewable energy in the park, and reflect the core characteristics of low-carbon and high-efficiency of the integrated energy system. The analysis compares the difference between the proposed indicator and other energy efficiency indicators. The result of the calculation example shows that, compared with the direct promotion of the traditional primary energy utilization rate, this indicator can more accurately reflect the advantages of multi-energy combined supply and energy cascade utilization in the park.
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