Joint Clearing Strategy for Day-Ahead Energy and An‍cillary Services Market of Cascade Hydropower Stations

QIN Jiu

doi:10.3969/j.issn.1008-0198.2026.01.021

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Joint Clearing Strategy for Day-Ahead Energy and An‍cillary Services Market of Cascade Hydropower Stations

更新时间：2026-03-11

- Joint Clearing Strategy for Day-Ahead Energy and An‍cillary Services Market of Cascade Hydropower Stations
- Vol. 46, Issue 1, Pages: 157-164(2026)
- 作者机构：
  
  广西右江水利开发有限责任公司,广西,南宁,530029
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.1008-0198.2026.01.021
  CLC： F426
- Online First：10 March 2026，
  
  Published：10 March 2026
- 稿件说明：
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覃就. 梯级水电站电能量与辅助服务日前市场联合出清策略[J]. 湖南电力, 2026, 46(1): 157-164.

QIN Jiu. Joint Clearing Strategy for Day-Ahead Energy and An‍cillary Services Market of Cascade Hydropower Stations[J]. 2026, 46(1): 157-164.
覃就. 梯级水电站电能量与辅助服务日前市场联合出清策略[J]. 湖南电力, 2026, 46(1): 157-164. DOI： 10.3969/j.issn.1008-0198.2026.01.021.

QIN Jiu. Joint Clearing Strategy for Day-Ahead Energy and An‍cillary Services Market of Cascade Hydropower Stations[J]. 2026, 46(1): 157-164. DOI： 10.3969/j.issn.1008-0198.2026.01.021.

摘要

为实现电力中长期市场和日前市场平稳衔接

构建计及梯级水电站调节性能的电能量与辅助服务日前市场联合出清模型。考虑梯级水电站间电能量出清量和辅助服务出清量之间的关系

以日前市场总采购成本最低为目标

获得日前市场电能量和辅助服务出清结果。利用对偶定理分析梯级水电站辅助服务报价与电能量出清价格之间的关系

结果表明辅助服务报价越低

电能量出清价格越低。采用差价合约方式进行结算

结果表明所建立模型能够降低发电主体超额利润回收风险

增加电费收益。

Abstract

To achieve the smooth connection between the medium and long-term electricity market and the day-ahead market

a joint clearing model of energy and ancillary services in the day-ahead market considering the regulation performance of cascade hydropower stations is constructed. The model considers the relationship between the energy clearing volume and the ancillary service clearing volume among cascade hydropower stations

and aims to minimize the total procurement cost of the day-ahead market to obtain the clearing results of energy and ancillary services in the day-ahead market. The duality theorem is used to analyze the relationship between the ancillary service offer of cascade hydropower stations and the energy clearing price. The results show that the lower the ancillary service offer

the lower the energy clearing price. The settlement results using the difference contract method show that the established model can reduce the risk of recovering excessive profits for power generation entities and increase electricity revenue.

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references

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