Pišotek B. and Velkovski S. 2025. CONSERVATION OF FISH MIGRATIONS AT HYDROELECTRIC POWER PLANTS: FISH PASSAGE SYSTEMS AS AN ENVIRONMENTALLY RESPONSIBLE MEASURE. Journal of Energy Technology. 17, 2 (Apr. 2025), 22-31. DOI:https://doi.org/10.18690/jet.17.2.22-31.2024.