Research on Capacity Allocation Optimization Model of Thermal Power Unit Participating in Electricity Market Considering Carbon Trading

doi:10.12096/j.2096-4528.pgt.23177

Abstract

Abstract:

Objectives Driven by the “double carbon” goal, the large-scale integration of clean energy leads to a decrease in the demand for electricity in the power grid and an increase in the demand for electricity regulation. On this background, traditional thermal power units need to actively participate in the peak shaving market and find new profit points. In order to achieve the goal of maximizing the comprehensive benefits of the unit, an optimization model is established for the capacity allocation of thermal power units after increasing the carbon market and auxiliary service market. Methods Firstly, the operation characteristics of thermal power units are analyzed in view of the participation of thermal power units in various power markets. Secondly, considering the costs and benefits of electric energy, deep peak regulation and carbon market, the profit curve of thermal power units participating in these three markets is drew, and the method of optimal capacity allocation is proposed. Finally, taking a thermal power unit in Northeast China as an example, the optimization analysis is carried out in the context of the electricity market to verify the effectiveness of the model. Results The optimization model can find out a better capacity allocation of spot market and peak regulation market, and the maximum profit calculated by the allocation result is higher than that of the traditional model. Conclusions The optimization model considers the cost and profit that the traditional model does not calculate, which makes the calculation of the income of thermal power units participating in the electricity market more comprehensive and accurate. It is of great significance for thermal power units to realize their own value under the background of “double carbon”.

Key words: thermal power unit, operating cost, peaking service, carbon market, electricity market, capacity allocation, optimization model

CLC Number:

TK 01

Wei LI, Yingxu WANG, Shipeng WANG. Research on Capacity Allocation Optimization Model of Thermal Power Unit Participating in Electricity Market Considering Carbon Trading[J]. Power Generation Technology, 2025, 46(6): 1260-1268.

Figures/Tables 10

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报价档位	火电厂调峰深度	报价下限/[元/(kW⋅h)]	报价上限/[元/(kW⋅h)]
第1档	45%<调峰深度≤52%	0	0.4
第2档	40%<调峰深度≤45%	0.4	0.6
第3档	调峰深度≤40%	0.6	0.8

报价档位	火电厂调峰深度	报价下限/[元/(kW⋅h)]	报价上限/[元/(kW⋅h)]
第1档	45%<调峰深度≤52%	0	0.4
第2档	40%<调峰深度≤45%	0.4	0.6
第3档	调峰深度≤40%	0.6	0.8

序号	参数	数值
1	建设成本/亿元	2.5
2	燃煤碳排放系数	2.741 2
3	燃油碳排放系数	2.264 5
4	碳限额系数/(t/MW)	0.818
5	去年年发电量/万MW⋅h	480
6	计划发电时间/h	5 500

序号	参数	数值
1	建设成本/亿元	2.5
2	燃煤碳排放系数	2.741 2
3	燃油碳排放系数	2.264 5
4	碳限额系数/(t/MW)	0.818
5	去年年发电量/万MW⋅h	480
6	计划发电时间/h	5 500

情景	现货市场价格	辅助服务市场价格
情景	现货市场价格	基本调峰	不投油深度调峰	投油深度调峰
情景1	458
情景2	358	200
情景3	258	300	600	800