Optimization Model of an Efficient Collaborative Power Dispatching System for Carbon Emissions Trading in China

Qinliang Tan,Yihong Ding,Yimei Zhang

doi:10.3390/en10091405

Qinliang Tan, Yihong Ding + Show 1 more

Open Access

https://doi.org/10.3390/en10091405

Copy DOI

Abstract

In this paper, a collaborative power dispatching system (CPDS) was developed to maximize the profit of a regional biomass power system consisting of an independent power grid. A power generating, dispatching and carbon emissions trading system (CETS) could be engaged in joint strategic planning and operational execution. The principal of CPDS is interactive planning of generating units in power generation and carbon emissions trading. An efficient carbon emissions trading plan for a CPDS would lead to optimized power generation levels under available power production capacities and carbon emissions. In a case study, four generator policies are proposed by considering basic CETSs to comparatively analyze the function of each generator in the CPDS. Results of four scenarios are compared, showing that biomass energy could replace thermal units to a certain extent, the carbon emissions and coal consumption of the CPDS would lie at a lower level, and a pumped storage unit could adjust the load fluctuations. The results of a carbon trading analysis show that the CETS has no significant impact on the CPDS, but along with the increase in trading price or the decrease in the free quota, the economic interests of power plants will be reduced accordingly. This may lead to carrying out low-carbon projects and reducing carbon emissions. Therefore, it is imperative to reduce carbon emissions by replacing power units with high energy consumption, and improve the consumption capacity of renewable energy.

Highlights

The main purpose of developing renewable energy in China is to reduce the proportion of coal consumption and carbon emissions
It is desirable to build an environmental-friendly electricity dispatching system with low carbon emissions, and explore a scientific method which can increase the proportion of renewable energy power generation
The collaborative power dispatching system (CPDS) is optimized for biomass, thermal and pumped storage power under carbon emissions trading in China

Summary

Introduction

The main purpose of developing renewable energy in China is to reduce the proportion of coal consumption and carbon emissions. The total coal consumption of China in 2016 reached 3.9 billion tons, of which about 50%. The combustion of fossil fuels produces much carbon emissions, which could lead to a series of environmental problems. The impact on the air has become a factor in power generation planning [1]. It is desirable to build an environmental-friendly electricity dispatching system with low carbon emissions, and explore a scientific method which can increase the proportion of renewable energy power generation. In order to utilize energy resources sustainably and reduce carbon emissions, the proportion of coal energy consumption should be decreased, and at the same time, the share of renewable energy needs to be greatly increased [2].

Results

Discussion

Conclusion