Back side of the coin: How does non-fossil energy diffusion result in less efficient fossil-based technologies

被引:9
|
作者
Li, Jianglong [1 ]
Yang, Lisha [2 ,3 ]
机构
[1] Xi An Jiao Tong Univ, Sch Econ & Finance, Xian 710061, Shaanxi, Peoples R China
[2] Huaqiao Univ, Inst Econ Dev & Reform, Xiamen 361021, Fujian, Peoples R China
[3] Huaqiao Univ, Sch Econ & Finance, Quanzhou 362021, Fujian, Peoples R China
基金
中国国家自然科学基金;
关键词
Non -fossil energy; Coal-fired units; Heat rate; Extra cost; China; RENEWABLE ENERGY; FLEXIBILITY; CHINA; WIND; COST;
D O I
10.1016/j.eiar.2022.106848
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Non-fossil energy increases the non-dispatchability of power system, requiring fossil-based technologies to provide back-up capacity as dispatchable source. In a coal-based economy like China, it is coal-fired units that act as back-up capacity. This paper shows that increase of non-fossil energy generation is associated with higher heat rates of coal-fired units, which can be explained by the decreased operating hours for dispatching. This side-effect is sizeable, accounting for 13% of carbon mitigation from non-fossil energy. The extra fuel cost is estimated to be 10.9 billion US dollars. This paper thus calls attention to alternative technologies, such as large-scale storage, as dispatchable source.
引用
收藏
页数:8
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