Instalación de placas solares en Asturias

Solar Panels Installation in Asturias

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Solar panel installation companies in Asturias

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Sun hours in Europe.


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

Solar energy potential in Asturias

The Principality of Asturias has approximately 1,962 hours of sunshine per year, a figure much lower than the Spanish average of 2,500 hours. However, despite having fewer hours of sunshine per year compared to, for example, Madrid, we can compare this potential of Asturias with that of some cities in northern Europe 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 Asturias has is still usable since the solar energy potential is greater than these main European capitals! 💪☀️

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Solar energy potential in Asturias. Source: PVGIS.

Annual production of photovoltaic energy in Asturias

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Annual production of photovoltaic energy in Asturias. Source: PVGIS.

To calculate the photovoltaic production in Asturias, let us take as an example a solar installation with 4.8 kWp of installed power, where the system will have an optimum inclination of 38º to the south, and the result will give us an annual photovoltaic energy production of 5,291.3 kWh, with a loss of 14% of the system. The months of greatest production are July, August and September with 518.48; 536.08 and 523.65 kWh, respectively.

Average electricity bill in Asturias 2021-2022


Average electricity bill. Source: OMIE.

The Principality of Asturias is a uniprovincial autonomous community of Spain, with a population of 1,028,244 inhabitants. According to the Red Eléctrica de España (REE), Spanish households -and therefore in the Principality of Asturias- consume an average of approximately 9 kWh per day and 270 kWh per month, which represents about 3,240 kWh/year.

Asturias grid electricity prices in 2021-2022 have averaged around €0.225/kWh (€225/MWh). A household in Asturias 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.

Inclination and orientation of solar panels in Asturias

In Spain, the ideal average inclination of the panels varies between 20º and 40º since it is directly related to the latitude of the country. The closer a city is to the equator, the less the angle of inclination of the panels will be, since the sun's rays will strike perpendicularly. In Asturias particularly, the optimum angle of inclination is 33º.

Inclination and orientation in Asturias

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Average temperature in Asturias. Source: PVGIS.

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 equator, the lower the angle of inclination of the panels, since the sun's rays will strike perpendicularly. The inclination of most homes in Spain is between 20° and 35°.

Solar panels for self-consumption facing south in Asturias with an optimum inclination of 38° will produce the greatest amount of electricity.

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Get the most out of your solar panel installation in Asturias

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

In addition, the amount of solar energy received by a square meter of surface in Asturias, or Peak Solar Hour, is 3.85 kWh/m2.

Frequently asked questions about photovoltaic installation in Asturias

What is the price of a solar panel installation in Asturias?

The price of a photovoltaic installation in Asturias -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 Asturias? Are solar panels worth it?

From 7 to 9 years is the amortization of the investment, assuming that the discounts have been counted in the first case, and without any type of subsidies in the second.

How much can be saved with a solar panel installation?

With your photovoltaic installation in Asturias you can save approximately 50-60% 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 Asturias?

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

Is the Principality of Asturias granting aid for the installation of solar panels in 2023?

IBI discount: %, years, uses and limitations

Except for the municipality of Llanera (40%), all the municipalities that offer this bonus grant up to 50% for 5 years.

ICIO tax credit

Up to 95% depending on each City Council. The highest percentage of the ICIO bonus for municipalities with a population of more than 10,000 inhabitants for the installation of solar panels is destined for the municipalities of Avilés, Gijón and Mieres with 95%, and for example Oviedo with 30%.

What subsidies are there and how to apply for aid for self-consumption in Asturias?

Subsidies from European funds (Next Generation EU). Said processing for the application must be carried out through the website of the Electronic Headquarters of the Principality of Asturias. Grants can be requested from November 30, 2021 to December 31, 2023 or until funds are exhausted. All the necessary information and documentation can be found in the Official Gazette of the Principality of Asturias.

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