ИСТИНА

Energy storage is a new tool for increasing the efficiency of wholesale electricity markets. Electric capacity storage devices (storages) permit to redistribute the energy produced within the day, to provide the balance of the supply and the demand at every time and reduce the total production costs at each node of the market. In particular, storages facilitate the efficient use of renewable energy sources (RES). The volume of power RES supply is a random variable depending on weather conditions. Under adverse conditions, it should be replaced by the energy from other sources. The present research continues our studies (Vasin, Grigoryeva, 2020, 2021) on the optimal control and construction of energy storages. Problems of optimal regulation aimed at maximizing the expected social welfare are studied. We introduce the corresponding market model and prove that, for every storage, the optimal strategy corresponds to maximization of its profit from energy resale at the competitive market.