Assuming that you are going to do the work this year, these will be the deductions that you can apply in the 2025 Income Tax campaign:
20% deduction
You can deduct 20% of the amount invested in installing solar panels, up to an annual maximum of 5,000 euros, if you carry out the work before December 31, 2024. And you can prove that the energy efficiency of the property has improved by at least 7%. To do so, the Energy Efficiency Certificate obtained afterwards must have been issued before January 1, 2025.
40% deduction
You can deduct up to 40% of your investment, with a list of christmas island consumer email maximum amount of 7,500 euros, in two cases:
The demand for heating and cooling has been reduced by at least 30% after the installation of photovoltaic panels.
If the energy classification of the home in the new Energy Efficiency Certificate becomes "A" or "B".
In both cases, you must also meet the general requirements of having carried out the work during 2024 and that the Energy Efficiency Certificate has been issued before January 1, 2025.
60% deduction
In an example of a personal income tax deduction for solar panels , the most significant tax relief that can be applied is 60% with a maximum annual amount of 5,000 euros. If the amount to be deducted exceeds those 5,000 euros, you can deduct the rest in the following four years. Always with the same annual limit, and in no case exceeding the total deducted of 15,000 euros.
This deduction applies to those who have a home within a residential building that installs solar panels. If the improvement in energy efficiency affects the entire building. As long as:
The demand for heating and cooling is reduced by at least 30% after the installation of photovoltaic panels.
If the energy classification of the home in the new Energy Efficiency Certificate becomes "A" or "B".
As in all previous cases, the work must be carried out during this year, and the final Energy Efficiency Certificate must be issued before the beginning of 2025.
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How do I apply for a tax relief?
This works automatically and is state-wide, so you can apply it regardless of where the property is located.
In your Income Tax return you can see the section on deductions for installing solar panels between boxes 1660 and 1680, and all you have to do is fill in the requested information. If you find it difficult, you already know that the Tax Agency provides taxpayers with a system of assistance in preparing their Income Tax return, so don't worry.
However, to be able to access the tax relief, you must be able to prove that you have installed solar panels and that this has improved the energy efficiency of your home.