Cost assessment and potential evaluation of geologic carbon storage in China based on least-cost path analysis

Xiaoyi Xu, Qi Li, Bofeng Cai, Guizhen Liu, Lingyun Pang, Meng Jing and Jing Guo

Applied Energy, 2024, vol. 371, issue C, No S0306261924010055

Abstract: CO2 capture, utilization, and storage (CCUS) technology is an indispensable technical means to reduce greenhouse gas CO2 emissions and achieve China's double carbon goals. In this study, we explored the economic costs of CO2 saline aquifer storage as a pure emission reduction measure without additional benefits under the influence of the carbon price mechanism, thereby adopting an energy cost potential perspective. To achieving the least cost (including capture, transport, storage, etc.), this study evaluated the economic feasibility of CO2 geological storage for each 10 km × 10 km grid in China under multiple CCUS scenarios in 2030–2060. It focuses on whether each grid in China can achieve substantial carbon emission reduction by using CO2 geological storage under given constraints. These findings could guide corporations in prioritizing the deployment of emission reduction actions at a macro level, and provide an estimated cost reference for emission reduction across various provincial administrative regions in China.

Keywords: CCUS; Source–sink matching; Cost assessment; Least-cost path analysis; Storage potential; CO2 geological storage (search for similar items in EconPapers)
Date: 2024
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DOI: 10.1016/j.apenergy.2024.123622

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