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| Optimal dispatch of integrated energy systems considering coalbed methane gas turbines for peak regulation |
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Received:February 19, 2025
Revised:March 13, 2025
Accepted:March 17, 2025
Published Online:April 30, 2026
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| DOI：10.3969/j.issn.1005-7854.2025.06.023 |
| KeyWord:coalbed methane (CBM);gas turbine;peak regulation;integrated energy system;carbon capture and storage (CCS) |
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| State Grid Xinjiang Electric Power Company Economic and Technical Research Institute, Urumqi 830002, China |
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| Abstract: |
| Against the backdrop of the "Dual Carbon" goals, the proportion of renewable energy in integrated energy systems continues to increase. However, its intermittency and volatility necessitate effective peak-shaving measures to ensure system stability. Addressing the issues of high cost and significant carbon emission intensity associated with traditional gas turbine fuels, this paper proposes an optimal dispatch model for integrated energy systems that incorporates coalbed methane (CBM) gas turbines for peak regulation and is coupled with a carbon capture system (CCS). By analyzing the optimal operational strategy when CBM gas turbines are coupled with CCS, the results demonstrate that CBM gas turbines exhibit notable economic and environmental advantages: compared to scenarios using natural gas as fuel, the daily operational cost of the system decreased by approximately 47%, the carbon capture capacity of the CCS increased by 43.7%, and significant flexibility in peak shaving was observed. This study provides a theoretical foundation and practical recommendations for the planning and configuration optimization of CBM gas turbines in integrated energy systems for peak regulation purposes. |
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