Abstract
In January 2017, The Government of Yunnan Province issued the implementation plan of electricity market reform for retail side. The electricity retail market has officially entered the stage of power market in Yunnan Province. The construction of power retail market is conducive to improving the activity of power market, cultivating the market awareness of power users, promoting power users to improve demand side management ability, and ensuring the safe, economic and efficient operation of power system. According to the official website of Kunming Power Exchange Center Company Limited, at present, there are 146 registered power sales companies and 33062 registered power users in Yunnan Province. The power market transactions are active, the transacted electricity quantity is increasing year by year, and the power retail market is booming. The retail package of electricity is the basis of mutual benefit and win-win between the electricity selling company and the retail users. The flexible, reasonable and effective electric retail package reflects the healthy and efficient operation of the electric retail market to a certain extent. Therefore, the research and development of electric power retail package is a very meaningful topic, which is worthy of in-depth study and practice.Firstly, based on the operation of Yunnan electric power wholesale market and electric power retail market, combined with the business practice of Yunnan electric power retail settlement payment, this paper points out the constraint boundary of the design of electric power retail package in electricity market of Yunnan province, such as the coupling constraints between electric power wholesale transaction and retail transaction, the coupling constraints between electric power wholesale settlement and retail settlement, etc. Then, combined with the characteristics of electricity load, electricity price bearing capacity, demand response and other characteristics, this paper makes a user portrait of Yunnan users, classifies and summarizes the power transaction demand of retail users, and designs the corresponding electric power retail package, such as free service, conditional service fee, price difference income, energy management and other electric power packages, which are full through the appropriate electric power retail package. It can meet the demand of electricity retail users and form a win-win situation. Secondly, this paper introduces the operation mode of all kinds of retail packages in Electricity Market of Yunnan province in detail. On the one hand, it is the business process of transaction and settlement, including the wholesale, retail transaction and settlement business process of power selling company, the transaction and settlement business process of power users, the transaction and settlement business organization flow of power exchange center et al. On the other hand, it is the cash flow and invoice flow of settlement and payment, including the cash flow and invoice flow of retail electricity payment of power users. Finally, through the practical analysis of the operation of power retail market in Yunnan province, it points out the advantages and disadvantages of various packages. Further combining with the construction and development plan of electricity market in Yunnan province, especially the operation of electric power spot market, some changes for the design of power retail package are proposed.
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