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Spain's Ministry for Ecological Transition has implemented Royal Decree 244/2019 amendments that cap permitting timelines at 30 days for residential self-consumption systems up to 15 kW. Previously, permitting routinely took 6–12 months. Spain added 9.7 GW of solar in 2025, with residential self-consumption (autoconsumo) growing 47% year-over-year.
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