Journal of Shanghai Jiao Tong University

Journal of Shanghai Jiaotong University >

2025 , Vol. 59 >Issue 2: 208 - 220

DOI: https://doi.org/10.16183/j.cnki.jsjtu.2023.295

New Type Power System and the Integrated Energy

Spot Market Clearing and Pricing Model of Regional Power Grid Considering Transmission Cost of Inter-Provincial Power Transactions

  • GU Huijie ,
  • DONG Cheng ,
  • HE Xiqi ,
  • HU Rong ,
  • ZHANG Honglue ,
  • WEN Zhaoxin
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  • 1. Power Dispatch and Control Center, China Southern Power Grid Co., Ltd., Guangzhou 510670, China
    2. Beijing TsIntergy Technology Co., Ltd., Beijing 100080, China
    3. Power Dispatch and Control Center,Guizhou Power Grid Co., Ltd., Guiyang 550000, China
    4. Power Dispatch and Control Center,Yunnan Power Grid Co., Ltd., Kunming 650011, China

Received date: 2023-07-04

  Revised date: 2023-09-15

  Accepted date: 2023-09-21

  Online published: 2023-10-13

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Abstract

In the regional power spot market, inter-provincial transmission power costs are typically calculated by multiplying the transmission price of the physical tie-line channel by the transmission power. However, this method fails to effectively account for the inter-provincial power transactions at different transmission prices. To address this issue, this paper first analyzes the impact of inter-provincial power trading on regional power spot clearing. It then proposes an optinization mechanism for inter-provincial power trading network loss handling, transmission cost processing, tie-line channel flow matching, and point-to-network power trading alignment. Based on this, it proposes a regional power grid spot clearing and pricing model, which incorporates inter-provincial power trading transmission costs into a standardized regional power spot clearing model. It derives the mathematical relationship between the system marginal prices of different provincial power grids. The proposed clearing and pricing model aims to achieve optimal allocation of resources, while effectively stimulating market players to bid reasonably. Finally, it validates the correctness and effectiveness of the proposed model through specific numerical examples.

Key words： inter-provincial power trading; transmission costs; regional spot; clearing and pricing model

Cite this article

GU Huijie , DONG Cheng , HE Xiqi , HU Rong , ZHANG Honglue , WEN Zhaoxin . Spot Market Clearing and Pricing Model of Regional Power Grid Considering Transmission Cost of Inter-Provincial Power Transactions[J]. Journal of Shanghai Jiaotong University, 2025 , 59(2) : 208 -220 . DOI: 10.16183/j.cnki.jsjtu.2023.295

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