Barakaldo, Basque Country, Spain, situated in the Northern Temperate Zone, presents a mixed picture for solar energy generation throughout the year. This location, with coordinates 43.2982° N, 3.0016° W, experiences significant seasonal variations in solar energy production potential.

Seasonal Solar Performance

The solar energy output in Barakaldo fluctuates considerably across the seasons. Summer stands out as the most productive period, with an impressive 5.95 kWh per day for each kilowatt of installed solar capacity. Spring follows closely, yielding 5.16 kWh/day. However, the output drops significantly in autumn to 3.17 kWh/day, and winter sees the lowest production at just 1.80 kWh/day.

These figures indicate that Barakaldo's solar potential is highly seasonal. The location is particularly well-suited for solar energy generation during the warmer months, from late spring through early autumn. This period offers longer daylight hours and typically clearer skies, maximizing solar panel efficiency.

Optimizing Solar Panel Installation

To maximize year-round solar energy production in Barakaldo, Basque Country, fixed solar panels should be tilted at an angle of 37 degrees facing south. This optimal angle has been calculated to balance the varying solar elevations throughout the year, ensuring the best possible energy capture across all seasons.

Environmental and Weather Considerations

Barakaldo's climate and geographical location present some challenges for solar energy production. The region experiences a significant amount of cloud cover and rainfall, particularly during the autumn and winter months. These conditions can reduce solar panel efficiency and overall energy output.

To mitigate these factors, several preventative measures can be taken:

• Use high-efficiency solar panels that perform well in low-light conditions
• Install a robust cleaning system to remove dirt and debris, which can accumulate due to frequent rainfall
• Consider adding a solar tracking system to maximize energy capture during limited sunny periods

Additionally, the proximity to the coast means salt air corrosion could be a concern. Using corrosion-resistant materials and applying protective coatings to solar equipment can help extend the lifespan and maintain the efficiency of the solar installation.

While Barakaldo may not be ideal for year-round solar energy production, with proper planning and technology, it can still be a viable location for solar PV systems, especially during the more favorable months of the year.

Note: The Northern Temperate Zone extends from 35° latitude North up to 66.5° latitude.

So far, we have conducted calculations to evaluate the solar photovoltaic (PV) potential in 361 locations across Spain. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.

Link: Solar PV potential in Spain by location

Solar output per kW of installed solar PV by season in Barakaldo

Seasonal solar PV output for Latitude: 43.2982, Longitude: -3.0016 (Barakaldo, Spain), based on our analysis of 8760 hourly intervals of solar and meteorological data (one whole year) retrieved for that set of coordinates/location from NASA POWER (The Prediction of Worldwide Energy Resources) API:

 

Ideally tilt fixed solar panels 37° South in Barakaldo, Spain

To maximize your solar PV system's energy output in Barakaldo, Spain (Lat/Long 43.2982, -3.0016) throughout the year, you should tilt your panels at an angle of 37° South for fixed panel installations.

As the Earth revolves around the Sun each year, the maximum angle of elevation of the Sun varies by +/- 23.45 degrees from its equinox elevation angle for a particular latitude. Finding the exact optimal angle to maximise solar PV production throughout the year can be challenging, but with careful consideration of historical solar energy and meteorological data for a certain location, it can be done precisely.

We use our own calculation, which incorporates NASA solar and meteorological data for the exact Lat/Long coordinates, to determine the ideal tilt angle of a solar panel that will yield maximum annual solar output. We calculate the optimal angle for each day of the year, taking into account its contribution to the yearly total PV potential at that specific location.

Seasonally adjusted solar panel tilt angles for Barakaldo, Spain

If you can adjust the tilt angle of your solar PV panels, please refer to the seasonal tilt angles below for optimal solar energy production in Barakaldo, Spain. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 37° South tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
27° South in Summer	47° South in Autumn	58° South in Winter	36° South in Spring

Our recommendations take into account more than just latitude and Earth's position in its elliptical orbit around the Sun. We also incorporate historical solar and meteorological data from NASA's Prediction of Worldwide Energy Resources (POWER) API to assign a weight to each ideal angle for each day based on its historical contribution to overall solar PV potential during a specific season.

This approach allows us to provide much more accurate recommendations than relying solely on latitude, as it considers unique weather conditions in different locations sharing the same latitude worldwide.

Calculate solar panel row spacing in Barakaldo, Spain

We've added a feature to calculate minimum solar panel row spacing by location. Enter your panel size and orientation below to get the minimum spacing in Barakaldo, Spain.

Our calculation method

1. Solar Position:
   We determine the Sun's position on the Winter solstice using the location's latitude and solar declination.
2. Shadow Projection:
   We calculate the shadow length cast by panels using trigonometry, considering panel tilt and the Sun's elevation angle.
3. Minimum Spacing:
   We add the shadow length to the horizontal space occupied by tilted panels.

This approach ensures maximum space efficiency while avoiding shading during critical times, as the Winter solstice represents the worst-case scenario for shadow length.

Topography for solar PV around Barakaldo, Spain

Barakaldo, located in northern Spain, sits within a diverse topographical landscape shaped by both natural and human influences. The city is situated near the Nervión River estuary, which flows into the Bay of Biscay. The surrounding area features a mix of gently rolling hills, river valleys, and urbanized flatlands. To the south and east of Barakaldo, the terrain gradually rises into the foothills of the Cantabrian Mountains. These hills, while not particularly high, provide a scenic backdrop to the city and contribute to its varied landscape. The nearby mountains also influence the local climate, creating a relatively mild and humid environment typical of Spain's northern coast. The immediate vicinity of Barakaldo is characterized by a blend of industrial areas, residential zones, and pockets of green space. The city itself is largely built on relatively flat land near the river, but as one moves away from the urban core, the terrain becomes more undulating.

Potential for Large-Scale Solar PV

When considering areas suitable for large-scale solar photovoltaic (PV) installations near Barakaldo, several factors come into play. The most promising locations would likely be found to the south of the city, where the terrain begins to open up and flatten out. The areas around the municipalities of Güeñes, Alonsotegi, and Arrigorriaga, located approximately 10-15 kilometers south of Barakaldo, offer potential for solar PV development. These regions feature more expansive, open spaces with fewer urban constraints and generally flatter terrain, which is ideal for large solar arrays. However, it's important to note that the climate in this region presents some challenges for solar energy production. The area experiences frequent cloud cover and rainfall, which can reduce the overall efficiency of solar panels. Despite this, advances in solar technology have made it increasingly viable to generate solar power even in less sunny climates. Another consideration is the presence of former industrial sites or brownfields in the broader Bilbao metropolitan area. These locations, while potentially requiring remediation, could offer suitable spaces for solar installations without impacting agricultural land or natural habitats. Ultimately, while the immediate surroundings of Barakaldo may not be ideal for large-scale solar PV due to urban development and topographical constraints, the wider region does offer some promising locations. Careful site selection, taking into account factors such as land availability, grid connectivity, and local regulations, would be crucial for successful solar PV implementation in this area.

Spain solar PV Stats as a country

Spain ranks 10th in the world for cumulative solar PV capacity, with 15,952 total MW's of solar PV installed. This means that 9.00% of Spain's total energy as a country comes from solar PV (that's 6th in the world). Each year Spain is generating 237 Watts from solar PV per capita (Spain ranks 20th in the world for solar PV Watts generated per capita). [source]

Are there incentives for businesses to install solar in Spain?

Yes, there are several incentives for businesses wanting to install solar energy in Spain. These include the following:



1. The Spanish government offers a feed-in tariff (FIT) for businesses that install solar energy systems. This FIT guarantees a fixed price per kWh of electricity generated by the system over a period of 20 years.



2. Businesses can also benefit from tax deductions and other financial incentives when installing solar energy systems in Spain.



3. Companies may be eligible for grants or subsidies from regional governments or local authorities to help cover the cost of installation and maintenance of their solar energy systems.



4. Businesses may also be able to take advantage of net metering, which allows them to sell excess electricity generated by their solar energy system back into the grid at market prices, thus reducing their overall electricity costs even further.

Do you have more up to date information than this on incentives towards solar PV projects in Spain? Please reach out to us and help us keep this information current. Thanks!

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Compare this location to others worldwide for solar PV potential

The solar PV analyses available on our website, including this one, are offered as a free service to the global community. Our aim is to provide education and aid informed decision-making regarding solar PV installations.

However, please note that these analyses are general guidance and may not meet specific project requirements. For in-depth, tailored forecasts and analysis crucial for feasibility studies or when pursuing maximum ROI from your solar projects, feel free to contact us; we offer comprehensive consulting services expressly for this purpose.

Helping you assess viability of solar PV for your site

Calculate Your Optimal Solar Panel Tilt Angle: A Comprehensive Guide

Enhance your solar panel's performance with our in-depth guide. Determine the best tilt angle using hard data, debunk common misunderstandings, and gain insight into how your specific location affects solar energy production.