“…A review of Austria's hydropower is particularly important for understanding current and future challenges in this field especially considering economic, energy-related, environmental and social aspects. On an international level such reviews were already done for Germany [27], Switzerland [28], Poland [29], Serbia [30], Turkey [7,9,[31][32][33][34][35][36][37], Greece [38,39], Spain [40], Portugal [41], Scotland [42,43], Kenya [44], Nigeria [45], Lesotho [46], Pakistan [47][48][49], Oman [50], India [51][52][53], Sri Lanka [54], Malaysia [55], Vietnam [56], China [14,[57][58][59][60], Nepal [61], Brazil [62], Costa Rica [63] and Australia [64] focusing on different thematic priorities. Additional reviews exist for Latin America [65], Europe in general [27,29,[66]…”