Spain Urged to Accelerate Pumped Storage Development
The International Hydropower Association calls for rapid deployment of pumped storage in Spain to mitigate energy waste and grid instability, projecting curtailment to exceed 3TWh by 2026. The action plan includes updating policies and frameworks to attract investment and reduce costs.
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The International Hydropower Association has issued a four-point action plan for Spain to enhance its pumped storage capacity, emphasizing the need for urgent measures to prevent rising energy waste and grid instability. Spain's renewable energy sources accounted for 46% of electricity demand in the first half of 2025, with curtailment projected to exceed 3TWh by 2026, impacting approximately 3 million households.
The plan advocates for policy differentiation between storage types, compensation for system services, and updated concession frameworks to improve project viability. Streamlined permitting processes are also recommended to expedite infrastructure delivery. Immediate integration of pumped storage is crucial to avoid long-term economic repercussions.
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