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A property owner asks whether adding lithium batteries to an existing photovoltaic system entitles them to tax deductions. The DGT states that eligibility for energy efficiency or renewable self-consumption deductions depends on meeting specific criteria for each.
Cuestión planteada Si la incorporación de un sistema de almacenamiento energético mediante baterías de litio a una instalación fotovoltaica de autoconsumo preexistente puede generar el derecho a alguna de las deducciones previstas en la disposición adicional quincuagésima de la LIRPF.
Para la deducción de la disposición adicional quincuagésima, se requiere acreditar mediante certificado la reducción del consumo de energía primaria no renovable en al menos un 30% o la mejora de calificación a clase 'A' o 'B'. Respecto a la deducción por autoconsumo (disposición adicional sexagésima segunda), esta permite incluir sistemas de almacenamiento y se aplica sobre las cantidades satisfechas hasta el 31 de diciembre de 2026. No se puede aplicar ambas deducciones a la misma instalación en el mismo inmueble.
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