globalchange  > 气候变化与战略
DOI: 10.1016/j.apenergy.2020.114706
论文题名:
Economic analysis of grid integration of variable solar and wind power with conventional power system
作者: Yao X.; Yi B.; Yu Y.; Fan Y.; Zhu L.
刊名: Applied Energy
ISSN: 3062619
出版年: 2020
卷: 264
语种: 英语
英文关键词: Electricity market ; Integration cost ; Power sector reform ; Variable renewable electricity (VRE)
Scopus关键词: Coal storage ; Cost effectiveness ; Economic analysis ; Electric power system economics ; Intelligent systems ; Monte Carlo methods ; Power generation ; Power markets ; Solar energy ; Wind power ; Conventional power ; Guangdong Province ; Penetration rates ; Power sector reform ; Power system planning ; Renewable electricity ; Renewable energies ; Solar integrations ; Electric load dispatching ; alternative energy ; demand analysis ; economic analysis ; economic conditions ; electricity ; energy market ; solar power ; wind power ; China ; Guangdong
英文摘要: Variable renewable electricity (VRE) is expected to play an important role in global decarbonization. However, due to VRE's intermittency and uncertainty, integrating VRE into the power system may cause additional integration costs for both power systems and consumers. Estimating these integration costs can provide insights for power system planning, support policy making and power market designs. In this paper, the integration costs of wind and solar on both demand and supply sides are quantitatively investigated by an economic power dispatch model combined with Monte Carlo simulation. A case study of Guangdong Province in China is conducted under three scenarios of power mix changes (only increasing the VRE installation; replacing the existing coal-fired power; and replacing the existing coal-fired power without power storage). The results show that integration costs from both supply and demand sides are non-negligible when VRE replaces existing capacity, and the costs are increasing with the penetration rate of VRE. On supply side, it ranges from −2.3 to 12.1 $/MWh for wind penetration from 5% to 30%, and −5.5 to 7.1 $/MWh for that of solar penetration. Moreover, consumers on demand side will bear −7.3 to 185.9 $/MWh integration costs for wind and solar integration, which is much higher than the supply side. In addition, solar power has a lower integration cost than wind power due to a more consistent power output with the load curve of power demand on the time scale. Moreover, our results reveal that blindly reducing the renewable energy curtailment rate may not be cost-effective. © 2020
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/158403
Appears in Collections:气候变化与战略

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作者单位: Institutes of Science and Development, Chinese Academy of Sciences, Beijing, 100190, China; School of Public Policy and Management, University of Chinese Academy of Sciences, Beijing, 100049, China; School of Economics and Management, Beihang University, Beijing, 100191, China; Institute for Interdisciplinary Information Sciences, Tsinghua University, Beijing, 100091, China

Recommended Citation:
Yao X.,Yi B.,Yu Y.,et al. Economic analysis of grid integration of variable solar and wind power with conventional power system[J]. Applied Energy,2020-01-01,264
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