Development of small hydroenergy in Ukraine and its legal regulation Mykola Misiuk, Tetiana Podorozhna, Olha Balynska, Oleg Kucher and Oleksandr Burlakov E3S Web Conf., 154 (2020) 06003 Published online: 09 March 2020 DOI: 10.1051/e3sconf/202015406003