Abstract
The pumped storage power station is flexible to start, can realize effective storage of electric energy, and has superior peak and frequency modulation effects, which is beneficial to provide comprehensive benefits of the power system. But at present, the construction of pumped-storage power plants has obviously exceeded the speed of policy and market development, resulting in problems in pumped-storage power station operation and cost reduction. Aiming at this problem, this paper further expounds the influence of the construction and operation of pumped storage power station on the electricity price of power grid companies. The revenue of pumped storage power station mainly comes from the auxiliary service market. In China, the peak regulation effect of pumped storage power station is significant and the revenue is considerable. Therefore, this paper studies the formulation of time-of-use price and subsection price of pumped storage power station.
Highlights
Difficulties in diverting costs for pumped storage power plantsThe main body of the pumped storage power station is the power grid enterprise, and when the operation mode is unified operation of the power grid, the power station is the effective asset of the power grid
The pumped storage power station is flexible to start, can realize effective storage of electric energy, and has superior peak and frequency modulation effects, which is beneficial to provide comprehensive benefits of the power system
The main body of the pumped storage power station is the power grid enterprise, and when the operation mode is unified operation of the power grid, the power station is the effective asset of the power grid
Summary
The main body of the pumped storage power station is the power grid enterprise, and when the operation mode is unified operation of the power grid, the power station is the effective asset of the power grid. Pumped-storage power stations buy electricity at low prices when the power grid is at a low price, and arrange to participate in the two markets to get the maximum benefit. Pumped-storage power station is mainly a non-power grid enterprise, and its operation mode is independent, and its cost recovery mode is the same as that of power grid leasing. Pumped storage power station is invested by the power grid company If it is not included in the electricity price of transmission and distribution, its construction has no influence on the electricity price of the power grid company. This paper uses the long-term marginal cost method to calculate the time-of-use electricity price of pumped storage power stations. The following research basic electricity price and peak, flat, valley three time period electricity price calculation method
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