Arnedo, Spain presents a moderately good location for year-round solar PV energy generation, though with significant seasonal variation typical of its Northern Temperate Zone position.

Seasonal Solar Performance

The solar energy output at this location shows strong seasonal patterns. Summer delivers the highest production at 6.93 kWh per day per kW of installed capacity, making it an excellent time for solar generation. Spring follows as the second-best season with 5.23 kWh per day per kW, providing substantial energy output during the March-May period. Autumn sees a notable decline to 3.33 kWh per day per kW, while winter presents the most challenging period with only 1.93 kWh per day per kW of installed capacity. This winter figure represents less than 30% of summer production, highlighting the significant seasonal challenge for consistent year-round energy generation.

Optimal Panel Configuration

For fixed panel installations at Arnedo, the ideal tilt angle is 36 degrees facing south to maximize total year-round solar production. This angle has been calculated to optimize energy capture across all seasons by accounting for the sun's varying elevation throughout the year and weighting for daily solar potential.

Local Factors Affecting Solar Production

Several environmental and weather factors in the Arnedo region can impact solar panel performance:

• Dust and Agricultural Particles: The surrounding agricultural landscape of La Rioja can generate dust and pollen that accumulates on panels, reducing efficiency
• Winter Weather Patterns: Regional weather systems can bring extended cloudy periods and occasional snow, further limiting already reduced winter output
• Temperature Extremes: Hot summers can cause panel efficiency to decrease, while temperature cycling between seasons may stress equipment

Preventative Measures for Enhanced Performance

To maximize solar energy production at this location, several installation strategies prove beneficial. Regular cleaning schedules become essential, particularly during harvest seasons when agricultural dust is most prevalent. Installing panels with adequate ventilation spacing helps manage heat buildup during intense summer periods. Consider mounting systems that allow for seasonal angle adjustments, as this can significantly improve winter performance when output is naturally lowest. Anti-reflective coatings on panels can help maintain efficiency during dusty conditions, while quality inverters with temperature management features ensure optimal power conversion year-round. Proper system sizing should account for the dramatic seasonal variation, potentially incorporating battery storage to balance the substantial difference between summer abundance and winter scarcity of solar generation.

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 Arnedo

Seasonal solar PV output for Latitude: 42.2188, Longitude: -2.1061 (Arnedo, 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 36° South in Arnedo, Spain

To maximize your solar PV system's energy output in Arnedo, Spain (Lat/Long 42.2188, -2.1061) throughout the year, you should tilt your panels at an angle of 36° 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 Arnedo, 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 Arnedo, Spain. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 36° South tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
26° South in Summer	46° South in Autumn	57° South in Winter	35° 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 Arnedo, 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 Arnedo, 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 Arnedo, Spain

Topographical Features of Arnedo and Surroundings

Arnedo sits in the autonomous community of La Rioja in northern Spain, positioned within the Ebro River valley system. The town itself occupies a strategic location along the Cidacos River, a tributary of the Ebro, at an elevation of approximately 550 meters above sea level. The surrounding landscape is characterized by a diverse mix of river valleys, rolling hills, and more dramatic mountainous terrain that creates a varied topographical profile across the region.

The immediate area around Arnedo features relatively gentle terrain along the river valley floor, with the land gradually rising toward the surrounding hills and ridges. To the north and south of the town, the topography becomes more pronounced, with elevations increasing toward the foothills of the Sistema Ibérico mountain range. These higher elevations create a natural amphitheater effect around the valley, with slopes that vary from gentle inclines to more steep gradients depending on the specific location.

The Cidacos River valley itself provides a natural corridor of flatter terrain that extends both upstream and downstream from Arnedo. This valley system, along with the broader Ebro basin influence, has created areas of sedimentary deposits and alluvial plains that contrast with the more rugged terrain found in the surrounding uplands. The geological composition includes a mix of sedimentary rocks, clay deposits, and areas of more resistant materials that have shaped the current landscape through centuries of erosion and weathering.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for extensive solar photovoltaic installations in the Arnedo vicinity would be found primarily in the flatter sections of the Cidacos River valley and the gentle slopes that extend outward from the valley floor. These areas offer the dual advantages of relatively level terrain that minimizes construction and maintenance costs, while avoiding the steeper gradients that would require more complex mounting systems and potentially suffer from shading issues.

The agricultural plains and pasturelands that stretch along the river valley corridor present particularly attractive opportunities for solar development. These areas typically have fewer obstacles such as dense vegetation or rocky outcroppings, and the existing land use patterns often involve large, consolidated parcels that would be well-suited to utility-scale solar installations. The gentle undulating terrain in these zones provides natural drainage while maintaining the relatively flat profiles that optimize solar panel positioning.

Areas to the east and west of Arnedo, where the valley widens and the terrain remains relatively gentle before rising toward the surrounding hills, would also be prime candidates for solar development. These locations benefit from open exposure to the sky without significant shading from nearby topographical features, while remaining accessible for construction equipment and ongoing maintenance operations.

The higher elevation areas and steeper slopes surrounding the valley would be less suitable for large-scale solar installations due to the increased complexity and cost of development on challenging terrain. However, some of the more moderate slopes with southern exposure could potentially be viable for smaller-scale projects or specialized mounting systems designed for sloped installations, though these would represent secondary opportunities compared to the valley floor locations.

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.