The energy crisis reduces the amortization time of solar panels


Self-consumption of energy through the installation of solar panels is breaking out with strength in Spain in recent months, since the rise in the price of conventional electricity has favored that these installations are already amortized in about five years and that the electricity bill is reduced by half. The rise in energy prices reduces family savings, but also the average period in which that the installation is amortized of solar panels in homes, which “a few years ago was around nine or ten years and now around five years on average“, explains the president of the National Federation of Installation Entrepreneurs of Spain (FENIE), Miguel Ángel Gómez.

“In addition, a photovoltaic installation has a positive impact on the client and, therefore, on the entire population, being a 100% clean energy”, adds the director of EDP Solar, Gabriel Nebreda, to EFE, who defends the need for Spain to exploit solar energy even more in order to reduce its dependence on other countries and other energy sources. According to their data, self-consumption allows savings of close to 50% on the final bill, even reaching a 90% reduction in energy consumption and therefore in its price.

With the momentum that has been registered in recent months, by the end of this year it is expected that in Spain have installed up to 2,000 megawatts (MW) new self-consumption, compared to 1,200 MW in 2021, according to data provided to EFE by the Spanish Photovoltaic Union (UNEF), which considers feasible reach 15,000 MW installed in 2030. One problem that could make these plans difficult, and warned by the professor of the Master’s Degree in Renewable Energies at the International University of Valencia, Andrés Schuschny, is the “limited capacity of processing of grants made by the autonomous communities, when the rage over its installation is high”.

Self-consumption allows savings of close to 50% on the final bill

“The first benefit of self-consumption can perfectly be to lower the electricity bill from 100 to 70 euros,” estimates Carlos Codina, who calls himself The Energy Grinch on social networks and who has become a spokesman for the claims of the thousands of individuals who already have private facilities. In each household consumption is differentbut the photovoltaic installation for a single-family home with an electricity bill of 80 euros is 8 solar panels, with a power of 3.6 kilowatts (KW) and a price that around 7,000 euros, according to EDP data. This is the case of a user who has recently installed solar panels in his house, with an installed power of 4.5 KW and a 5 KW battery that is charged during the day thanks to the solar energy generated by the panels.

Thanks to the aid of the Next Generation EU funds, IBI rebates or IRPF deductions, this consumer from the Community of Madrid claims to have saved almost 40% of the cost of the photovoltaic installation. “So far there are 160,000 people and companies that have applied for government aid, managed by the autonomous communities”, adds the general director of the UNEF, José Donoso, who considers that, in a year and a half, approximately, it will be possible to exceed 250,000 installations thanks to the funds of recovery.

From the firm emovili -energy efficiency company based on mobility- they assure EFE that 17% of the installations that have been deployed this year in Spain –whose useful life is usually around 25 years, according to FENIE- include batteries that allow the energy generated and not consumed at the moment to be stored. Next year they are expected to exceed 22%, as consumers want to accumulate surpluses to use during times when there is no sun, instead of pouring them into the system.

Consequently, large energy companies such as Iberdrola, Naturgy or Fenosa are seeing how the dumping of surpluses into the network by consumers is decreasing, according to the president of FENIE, who predicts that “they will articulate a series of mechanisms so that the least possible losses are generated”. In other words, “energy companies will have to compete in the market and develop self-consumption projects”explains to EFE the general director of the UNEF, José Donoso.

“The whole of the Spanish territory amounts to more than 500 million hectares, of which a large part is available and could be used to increase the implementation of solar energy“, according to what Donoso, from the UNEF, explains to EFE. The CEO of emovili, Francisco Casas, also believes that there is still “land available to set up many more solar parks” despite the fact that it has doubled in the last year.


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