Research on pricing model of electricity retail package in spot market

With the continuous development and improvement of the spot market, a large number of electricity sales companies are registered and set up, and they begin to participate in the purchase and sale of electricity as intermediaries between wholesale market and retail market. Then, the electricity prices in the spot market and the real-time market are connected and coupled with the sales prices in the retail market. In this paper, in order to work out the package price level suitable for users' utility and satisfying the company’s profit, a set of ideas of package optimization electricity price is established: combining with the analysis of electricity purchase cost of electricity sales companies in the spot market, the user selection model of electricity retail package based on utility maximization is established, and then the optimized pricing model of electricity retail package is further established based on the risk profit of electricity sales.