2023-05-13 00:47:39
Saturday, May 13, 2023, 00:47
Before starting to contract the installation of photovoltaic panels in our home to reduce the amount of the bill, we must check very well if the investment will be profitable and from when. To find out, the OCU has published in the latest issue of its magazine ‘Compare teacher’ an example that can guide our decision.
Before making a determination we must have some basic information. The first thing we will have to know is what type of panels we could place and how many we would need. These facilities represent an investment of between 4,000 and 7,000 euros according to the consumer organization itself, although the Selectra rate comparator raises this estimate to 8.000 euros for single-family homes and places it between 10,000 and 13,000 euros in the case of neighboring communities. The price depends on factors such as the number of panels, whether or not they have a battery to accumulate energy, the difficulty in placing them… To find out the approximate price of our hypothetical installation, the OCU recommends contacting one of the companies participating in the campaign www. quieroenergiafotovoltaica.org.
With these data, the OCU calculates that, with the current prices of both energy and panels, a consumer who currently has contracted a power of 4.6 kilowatts and consumes 3,500 kWh per year would need to have a photovoltaic system. 2.5 kW to meet your needs. This would mean, according to his estimate, a period of 25 years to amortize its installation. According to his comparison, if electricity prices were as high as in 2022, which were almost double the current ones, it would be amortized in twelve years and if consumption were 4,500 kWh, that threshold would drop to fifteen years. On the other hand, with the normal social bond discounts (60%), the amortization time of these calculations is reduced by about 4 years, but they also make this type of investment less interesting.
In this way, and taking into account that the useful life of the plates is usually between 25 and 30 years, the consumer organization concludes that “these moments seem like an excessive period of time to give priority when deciding to invest in these facilities”.
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