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Iberdrola Advances Pumped-Storage Hydro Station in Spain

The Valdecañas pumped-storage hydro plant in southwestern Spain has undergone a technical upgrade, increasing its operational capacity by 355 MW and adding a 15 MW/7.5 MWh hybrid battery system.Spanish utility Iberdrola has implemented technological improvements to its Valdecañas pumping station on the Tagus River near Cáceres, southwestern Spain. The improvements add 355 MW of power and 210 GWh of additional storage capacity to a power station …

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Iberdrola has completed the technological improvements at the Valdecañas pumping plant, in the Tagus river, increasing the system’s energy storage capacity with 355 MW of additional power and 210 GWh more of storage. The Extremaduran installation has already carried out its first successful pumpings. The action turns the Torrejón-Valdecañas system into a hydraulic gigabattery that connects two of the largest reservoirs in Europe: Alcántara and V…

Iberdrola has increased the energy storage capacity of the Tagus River with technological improvements at its Valdecañas (Cáceres) pumping plant, whose commissioning allows to raise the total capacity of the system with 355 megawatts (MW) of power and 210 gigawatt hours of additional storage (GWh), reinforcing the integration of renewable energies and the stability of the electricity supply, the company reported.

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elperiodicodelaenergia.com broke the news on Tuesday, May 5, 2026.
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