Double recovery strategy of carbon for coal-to-power based on a multi-energy system with tradable green certificates

Ning Ma and Lurong Fan

Energy, 2023, vol. 273, issue C

Abstract: Coal production and consumption cause methane and carbon dioxide emissions. The high emission cost and the limited renewable energy in some areas restrict the low-carbon energy system development. This paper proposes a double recovery system based on a multi-energy system to promote energy efficiency and emission reduction, considering the life cycle carbon emissions of coal and carbon trading. A nonlinear multi-objective two-stage stochastic programming model and an approximate solution algorithm based on NSGA-II are built to find the economic-ecological balanced strategy for the system investment and operation under uncertainty. Finally, a case study about the collieries in Xianyang City is adopted to test the effectiveness of the proposed model and algorithm. The results show the multi-energy system with a double recovery system can obtain 5%–40% more profits compared with the single energy system when the GHG emission rate requirement is lower than 0.95kgCO2e/kwh. And this paper finds that carbon capture and storage has more universal utility in obtaining tradable green certificates, and the efficiency of P2G technology depends on the abundance of renewable energy. The tradable green certificates are effective incentives for coal mine methane utilization.

Keywords: Multi-energy production system; Coal mine methane utilization; Tradable green certificates; Double recovery of carbon; Multi-objective programming; Economic-ecological benefit balance (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:273:y:2023:i:c:s0360544223006643

DOI: 10.1016/j.energy.2023.127270

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