A coalition method for reducing the cost of deviation assessment in medium and long-term power market for power distribution companies

Abstract

The invention relates to a coalition method for reducing the cost of deviation assessment in medium and long-term power market for power distribution companies. The method comprises the steps of calculating the cooperation cost of the deviation assessment alliance of the power selling company; calculating the alliance income of the power-selling companies considering the cooperation cost under thetypical medium and long-term market deviation electricity quantity assessment mechanism; carrying out the quantitative evaluation of marginal revenue contribution, contract execution bias, alliance dependence and alliance structure importance; using entropy weight-analytic hierarchy process (AHP) to measure the relative importance of each index and calculate the distribution of alliance income; calculating the comprehensive utility of profit expectation and risk loss of power company; constructing and solving the alliance optimization model aiming at maximizing the overall comprehensive utility of the alliance. The method of the invention can effectively reduce the deviation assessment cost and reduce the market operation risk of the power selling company by increasing the power quantityfree of assessment and offsetting the positive and negative deviations, and the like, and has good economic efficiency and practical application value.

Description

technical field [0001] The present invention relates to the technical field of electric power market, and more specifically, relates to an alliance method for reducing deviation assessment fees in the medium and long-term electric power market of electric selling companies. Background technique [0002] In the promotion process of the new round of power system reform, the gradual liberalization of the market has attracted different social capitals to establish electricity sales companies to participate in market competition, and gradually cultivate market-oriented electricity sales entities. According to incomplete statistics, China has established more than 6,000 electricity sales companies, some of which have participated in market transactions, and the market structure of "multiple buyers-multiple sellers" has gradually formed. At present, electricity sales companies mainly obtain electricity purchase and sales profits by signing contracts with power generation companies ...

AI Technical Summary

Problems solved by technology

[0004] Through load demand response or the establishment of a deviation assessment cost sharing mechanism with power users, the electricity retail company can reduce the assessment cost of deviation electricity and increase the income of electricity purchase and sales. Provide additional response compensation or electricity price discounts to maintain their own market competitiveness; reasonably match users according to the characteristics of electricity consumption behaviors, and ensure that the overall deviation rate of agency electricity is controllable, which is another feasible method for electricity retail companies to reduce deviation assessment costs , but due to the fierce competition in the current electricity sales industry and the "buyer's market" environment, electricity sales companies have poor selectivity for power users, and this method has limited effect on reducing deviation electricity

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