How to calculate the tax deduction for self-consumption?


Aids, discounts and other tax advantages are a big boost for the increase of self-consumption in Spain. For those who have doubts about the help they can ask for, ELON Energías Renovables has created a tool that allows calculate the corresponding tax deduction for a self-consumption installation.

As ELON Renewable Energy experts explain, the deduction depends on the percentage of savings:

  • can be reached deduct 20% of the investment in a habitual residence or which is rented and in which the installation was carried out between October 2021 and December 2022. To do this, it must be demonstrated that the demand for cooling and heating has been reduced by 7% thanks to the energy certificates .
  • To arrive at a 40% offthere must be evidence that non-renewable energy consumption has been reduced by 30% or more.

In both cases, this advantage is accessible if the energy class “A” or “B” has been improved. The deduction can be applied in the income statement for the following year if the work was carried out before December 31, 2022.

Deductions for residential buildings

Owners of residential buildings who have made works to improve energy efficiencyThey will be entitled to a deduction of up to 60%. This deduction can be made with the category “A” or “B” or demonstrating that non-renewable energy has been reduced to 30%. In this case, a total of 15,000 euros can be deducted and this deduction can also be applied in the income statement for the year 2023.

Self-consumption calculator

According to data from the Red Eléctrica de España, energy production with solar panels increased by 37.3% compared to the previous year so far this year. These promising figures have led the Basque company ELON Energías Renovables to have a self-consumption calculator on its website to encourage neighborhood communities and owners to install solar panels.

Character font: Noelia Lopez Redondo / EnergyNews

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