Bi-level optimal dispatch of integrated energy system considering biomass-coal co-combustion power generation and power to ammonia

Xiaoou Liu

Energy, 2025, vol. 334, issue C

Abstract: Under the goal of carbon neutrality, the construction of modern energy system is urgently needed to promote low-carbon transformation of coal-fired generator set and achieve large-scale utilization of renewable energy. Therefore, this paper integrates low-carbon technologies, i.e., biomass-coal co-combustion, carbon capture and storage (CCS), and power to ammonia (P2A), and conducts research on bi-level optimal dispatch of integrated energy system (IES) considering biomass-coal co-combustion power generation and P2A, in order to reduce IES total cost and carbon emissions. Firstly, considering the technology of biomass-coal co-combustion power generation, a generator set model was established based on the internal energy flow processes and the external output characteristics. Then, by analyzing the electricity-carbon-ammonia coupled relationship, the IES model was constructed, which is composed mainly of biomass-coal co-combustion carbon capture generator set (BCCGS) and P2A. On this basis, considering the renewable energy uncertainty, a bi-level optimal dispatch model of IES was constructed, with the maximum coordinated operation index as the upper goal, and the minimum total cost of IES as the lower goal. Finally, an example analysis is carried out to verify the effectiveness of the proposed model, relying for the electricity-carbon-ammonia coupled energy system demonstration area in Inner Mongolia.

Keywords: Integrated energy system; Biomass; Carbon capture; Power to ammonia; Bi-level optimization; Renewable energy uncertainty (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:334:y:2025:i:c:s0360544225034176

DOI: 10.1016/j.energy.2025.137775

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