Wang et al. (2025): Research on the multi-timescale optimization scheduling of direct air capture systems driven by renewable energy
Lun Wang, Yuhang Liu, Zhanhai Li, Xilin Gu, Lijun Yu, IN: Carbon Capture Science & Technology, https://doi.org/10.1016/j.ccst.2025.100530
The growing deployment of renewable energy sources (RES) often leads to large-scale curtailment. Direct air capture (DAC) systems—energy-intensive yet dispatchable and modular—offer a promising solution for consuming curtailment while enabling negative emissions. However, the integration of DAC with RES remains underexplored. Specifically, DAC systems lack sufficient flexibility to accommodate intermittent energy supplies, stemming from inadequate temporal resolution of operational strategies and overly rigid operational assumptions. Moreover, their operation relies on historical data, lacking real-time control and coordinated scheduling with power plants. To bridge this gap, this study proposes a multi-timescale optimization scheduling framework that enables minute-level real-time control of modular DAC systems co-located with RES power plants.