Oleksandrivka, Oleksandrivka settlement hromada, Voznesensk Raion, Mykolaiv Oblast

In 1923, uyezds in Ukrainian Soviet Socialist Republic were abolished, and the governorates were divided into okruhas. In 1923, Voznesensk Raion with the administrative center located in Voznesensk was established. It belonged to Mykolaiv Okruha of Odessa Governorate. Oleksandrivka was included in Voznesensk Raion.[3] In 1925, the governorates were abolished, and okruhas were directly subordinated to Ukrainian SSR. In 1930, okruhas were abolished, and on 27 February 1932, Odessa Oblast was established, and Voznesensk Raion was included into Odessa Oblast. In 1968, Olexandrivka was granted urban-type settlement status.[4]

During the Russian Invasion of Ukraine, Oleksandrivka marked the northernmost point Russian forces reached in the Battle of Mykolaiv.[5]

The modern dam

The old dam

The town has a dam and hydroelectric power station, Oleksandrivka HES, operated by Energoatom. The station is part of the South Ukraine Energy Complex, which includes the Tashlyk Pumped-Storage Power Plant and the South Ukraine Nuclear Power Plant in Yuzhnoukrainsk. The water reservoir created by the dam is part of the National nature park "Buh Gard" (formerly known as Granite-steppe lands of Buh).