Instalación de placas solares en Castro Urdiales

Solar Panels Installation in Castro Urdiales

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Solar panel installation companies in Castro Urdiales

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Sun hours in Europe.


Average annual insolation map. National Geographic Institute (IGN) Spain.

Solar energy potential in Castro Urdiales

Cantabria has around 1,639 hours of sunshine a year. Although it may seem like a low figure for what Spain is, we can easily compare this potential of Castro Urdiales in Cantabria with that of some northern European cities where solar energy is normal, such as Berlin and Amsterdam. They have 1,728 and 1,662 hours of sunshine per year, respectively, therefore the photovoltaic capacity that Castro Urdiales has is usable, since the solar energy potential is similar to those of these main European capitals! 💪☀️

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Solar energy potential in Castro Urdiales. Source: PVGIS.

Annual production of photovoltaic energy in Castro Urdiales

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Annual production of photovoltaic energy in Castro Urdiales. Source: PVGIS.

To calculate the photovoltaic production in Castro Urdiales, let us take as an example a solar installation of 4.8 kWp of installed power, where the system will have an optimum inclination of 36º to the south, and the result will give us an annual production of photovoltaic energy of 5,498.11 kWh, with a loss of 14% of the system. The months with the highest production are July, August and September with 585; 580 and 550 kWh, respectively.

Average electricity bill in Castro Urdiales 2021-2022


Average electricity bill. Source: OMIE.

According to the Red Eléctrica de España (REE), Spanish households - and therefore in Castro Urdiales - consume an average of 9 kWh per day and approximately 270 kWh per month, which represents about 3,240 kWh/year.Grid electricity prices in 2021-2022 have averaged around €0.225/kWh (€225/MWh). A home without a photovoltaic energy system on the roof that consumes 270 kWh per month, would pay around €60 on average per month in the variable part of the electricity bill referring to consumption.

Inclinación y orientación en Castro Urdiales

In Spain, the ideal average inclination of solar panels varies between 20° and 40°, and it is a concept that is closely linked to the latitude of the country. The closer it is to the Ecuador line, the angle of inclination of the panels will be less, since the sun's rays will hit perpendicularly. The inclination of most of the houses in Spain is between 20° and 35°.

Solar panels for self-consumption facing south in Castro Urdiales with an optimal inclination of between 36° will produce the most electricity.

Average temperature of Castro Urdiales

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Average temperature in Castro Urdiales. Source: PVGIS.

Due to the Gulf Stream, Cantabria has milder temperatures than would correspond to its latitude. The Autonomous Community is affected by a humid temperate oceanic climate, with mild summers and winters, and an average temperature of 14ºC.

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Get the most out of your solar panel installation in Castro Urdiales

In Cantabria there are local aids such as the IBI discount (Real Estate Tax) and the ICIO discount (Tax on Construction, Installations and Works), in addition to aid and subsidies from European funds for solar self-consumption (NextGeneration EU).

In addition, let us take into account its temperate climate and its mild temperatures, together with the amount of solar energy that a square meter of surface receives in Castro Urdiales, or Peak Solar Hour (HSP) peak is 3.97 kWh/m2. All these factors are beneficial to have an interesting photovoltaic production.

Frequently asked questions about photovoltaic installation in Castro Urdiales

What is the price of a solar panel installation in Castro Urdiales?

The price of a photovoltaic installation in Castro Urdiales -and in any case- depends on the type of installation, size of the system and its components. Considering all the necessary materials: panels, inverter, wiring and installation costs such as labor for a single-family home that requires 10 panels, the approximate price would be €6,000 and €8,000 for 15 panels.

What is the profitability of a photovoltaic installation in Castro Urdiales? Are solar panels worth it?

From 4 to 6 years it is the approximate amortization of the investment, assuming that the bonuses have been counted in the first case, and without any kind of subsidies in the second. This is an average since each municipality of this Community has its specific bonuses and aid.

Is a photovoltaic installation profitable in Castro Urdiales? Are solar panels worth it?

The recovery of the investment in solar panel installations in Castro Urdiales is amortized differently depending on the aid on each island. On average, in an average of 5 years. If none of the bonuses (IBI and ICIO) are accessed, the amortization would take longer, but if aid is available, the investment would recover faster.

How much can I save with my solar panel installation?

With your photovoltaic installation in Castro Urdiales you can save approximately 60% on your electricity bill (in the variable part of it, referring to electricity consumption).

What procedures and/or permits do I need for photovoltaic installations in Castro Urdiales?

Although these administrative procedures are frequently carried out by the installation company, it is important to know that the Spanish Photovoltaic Union (UNEF) has managed to get Cantabria to eliminate the obligation to request a building permit for the installation of photovoltaic panels for self-consumption: an administrative barrier that It will speed up the deadlines to make the installations.

Is Castro Urdiales granting aid for the installation of solar panels in 2023?

IBI bonus: % and years

Castro-Urdiales can access the maximum percentage of 50% bonus for a maximum period of 5 years.

ICIO tax credit

Castro-Urdiales can obtain a 95% discount for the installation of solar panels in Cantabria. 

What subsidies are there and how to request aid for self-consumption in Castro Urdiales?

There are subsidies from European funds (Next Generation EU). Said processing for the application must be carried out through the Electronic Headquarters of the Government of Cantabria, through: Aid can be applied for until December 31, 2023 or until funds run out. All the necessary information and documentation can be found in the Official Gazette of Cantabria.

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