Author(s): Francesco Nascimben; Giacomo Zanetti; Giovanna Cavazzini
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Abstract: The hydropower sector continues to represent a key component of the European energy scenario. In 2024, it accounted for 680 TWh of electricity generation, supported by an installed capacity of 263 GW, with 207 GW originating from conventional hydropower plants and 56 GW provided by pumped storage facilities. During 2024, the overall hydropower capacity increased by approximately 544 MW, including 184 MW derived from the commissioning of new pumped storage installations (International Hydropower Association, 2025). In addition to wind and solar power, hydropower also plays a crucial role in the ongoing transition toward sustainable energy generation. In particular, pumped hydro storage plants enable hydropower to store surplus electricity produced by other renewable sources, such as solar and wind, and release it during periods of peak demand. This capability not only mitigates the variability inherent to renewable energy generation but also enhances the stability and reliability of the power grid.
Year: 2026