Pricing Mechanism And Rules Of Incremental Distribution Network Under The Background Of New Electricity Reform

Opening the distribution business orderly to the social capital is a key task of the power system reform.It plays an important role in attracting social capital to invest in distribution network,improving the quality of distribution service,encouraging innovation and competition.In recent years,the incremental distribution network has experienced a process from scratch,and a good market prospect has attracted the attention of all investors.It is of great significance to strengthen the research on the price mechanism and rules of the incremental distribution network and provide effective reference for related work.Firstly,the paper clarifies the incremental distribution network,include the concept,the related policies,the development status and the development prospects.With the theory of electricity price,the scope of effective assets and cost of incremental distribution network is defined,and the accounting rules of incremental distribution network in sub object and sub voltage level are formed.In view of the price formation of incremental distribution network,the paper analyzes the factors and the methods of price formation,focuses on the study of the permitted return method and competitive bidding method.According to the permitted return method,the price formation of incremental distribution network in each voltage level is given.According to the competitive bidding method,the comprehensive evaluation method is applied to evaluate and compare the quality of the bidding company.Further,the paper discusses the cross-subsidy,the higher power grid settlement price,the capacity price and so on.Finally,forming a set of calculation method and rules making system of incremental distribution network price.According to the market rules of incremental distribution network,based on market principle,cost and asset accounting methods,price making and adjustment method,cost supervision index measures and the information disclosure measures for the supervision department and governments at all levels are provided.Using the data produced in the operation to form the corresponding database can give scientific,feasible and efficient methodology to support the reform of the electric price.Comprehensive evaluation method and Monte Carlo method are used in testing the operation state of incremental distribution network,and the method can quantify the operation condition,and carry on strategy adjustment for related enterprises,as well as to provide effective operation evaluation policy for rules makers and participates.At last,according to the research above,three different examples are calculated by programming algorithm,which are the example for distribution price based on permitted return method;the example for sale price combined with the external cross subsidies using permitted return method and using Monte Carlo method to evaluate the business performance for the incremental distribution company;the example for competitive bidding method under comprehensive evaluation method.Each example gives the calculation process and results,and analyzes the impact of different pricing systems on users and distribution companies,which confirms the effectiveness of the proposed method.