Optimize the cost of paying for electricity in the water supply system by using accumulating tanksAlexei Kapanski, Nadezhda Hruntovich, Siarhei Bakhur, Larisa Markaryants and Leonid DolomanyakE3S Web Conf., 178 (2020) 01065DOI: https://doi.org/10.1051/e3sconf/202017801065