Issues of using local energy systems with hydraulic energy storage in the power system of the republic of UzbekistanM. M Mukhammadiev, B. U Urishev, A Abduaziz uulu, S. K Gadaev and S. U ZhankabylovE3S Web of Conf., 216 (2020) 01138DOI: https://doi.org/10.1051/e3sconf/202021601138