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A taxpayer inquired whether installing solar panels that reduces non-renewable primary energy consumption by more than 30% allows for the tax deduction under the 50th additional provision of the Personal Income Tax Act (LIRPF). The Directorate General for Tax (DGT) indicated that this meets the consumption reduction requirements, although the assessment of technical documentation remains the responsibility of the Tax Administration.
Cuestión planteada Si la documentación que aporta reúne los requisitos para poder acreditar la mejora de la eficiencia energética de la vivienda a efectos de la aplicación de la deducción prevista en el apartado 2 de la disposición adicional 50ª de la LIRPF.
Para la deducción del 40%, las obras deben reducir el consumo de energía primaria no renovable en al menos un 30% o mejorar la calificación a clase 'A' o 'B', acreditado mediante certificado de eficiencia energética. La deducción se practica en el periodo en que se expide el certificado posterior a las obras. El certificado previo es válido si se expidió menos de dos años antes del inicio de las obras. La valoración de la documentación técnica es competencia de los órganos de gestión e inspección.
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