Design of inter provincial pumped storage trading market in Yangtze River Delta region of China

Under the framework of the two-level market, the provincial market has perfect transaction market such as forward contract and spot market, but There is only forward contract market for inter provincial power transactions Shanghai and Zhejiang Province in East China face the risk that the regulation range of the generator in the province is less than the load variation range due to the high proportion of power supply from outside the province. In order to mitigate this kind of risk, this paper proposes a kind of pumped storage transaction, which uses the transaction of pumped storage right to realize the mutual support of the adjustable capacity of the generating units in each province. Based on the analysis of the use right cost of pumped storage units under the day ahead market condition, this paper gives the principle of market transaction and the basic market rules. The significance of the proposed method is explained by using market data.