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17 November 2025

​Spain’s upcoming voltage control market: What it means for BESS

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​Spain’s upcoming voltage control market: What it means for BESS

Spain’s transmission grid has faced a turbulent year. The year began with the Almaraz II nuclear trip in January 2025, followed by the peninsula-wide blackout in April, and renewed “voltage surges” by the end of September. In this context, a new reactive power and voltage control market will take centre stage.

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