Trans-provincial Transmission Pricing Mechanism Based on Point Rate

doi:10.11930/j.issn.1004-9649.202003022

Abstract

Abstract: Reasonable trans-provincial transmission pricing is the premise for achieving fair competition between trans-provincial electricity trading, and optimizing resources in a larger scope. Aiming at the problems of trans-provincial transmission pricing, a point rate based trans-provincial transmission pricing method is proposed from the perspective of cost allocation and transmission price structure. The method calculates the used degree of trans-provincial tie lines by each provincial power grid through analyzing the electrical source flow, and allocates the trans-provincial transmission costs according to the used degree, consequently realizing the rationality of cost sharing. At the same time, from the perspective of price structure, determining reasonable trans-provincial transmission prices will make the trans-provincial transmission costs not hinder the inter-provincial transactions, which is conducive to the optimization of resources in a large region. The validity of the proposed method is verified by an IEEE-14 node example.

Key words: trans-provincial transmission pricing, electricity trading, regional tie lines, transmission cost allocation

CHEN Zheng, LENG Yuan, GU Weide, JIN Dongya, JING Zhaoxia, XIE Wenjin. Trans-provincial Transmission Pricing Mechanism Based on Point Rate[J]. Electric Power, 2020, 53(9): 81-89.

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URL: https://www.electricpower.com.cn/EN/10.11930/j.issn.1004-9649.202003022

https://www.electricpower.com.cn/EN/Y2020/V53/I9/81

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