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Flag of SpainSolar PV Analysis of Dos Hermanas, Spain

Graph of hourly avg kWh electricity output per kW of Solar PV installed in Dos Hermanas, Spain (by season)

Dos Hermanas, Andalusia, Spain offers excellent conditions for year-round solar PV energy generation, making it a highly suitable location for solar installations. Located in southern Spain's favorable climate zone, this area benefits from abundant sunshine throughout most of the year.

Seasonal Energy Production

The solar energy output varies significantly across seasons, with summer being by far the most productive period at 8.26kWh per day per kW of installed capacity. Spring follows as the second-best season with 6.39kWh daily output, while autumn produces 4.58kWh per day. Winter shows the lowest production at 2.86kWh daily, though this is still reasonable for maintaining some energy generation during the cooler months. For fixed panel installations at this location, the ideal tilt angle is 32 degrees facing south to maximize total year-round production. This angle has been calculated to optimize solar collection across all seasons by accounting for the sun's varying position throughout the year.

Environmental and Weather Factors

Several local factors could potentially impact solar production efficiency in Dos Hermanas:
  • Dust and sand accumulation: The Mediterranean climate and proximity to North African dust patterns can lead to particle buildup on panels
  • High summer temperatures: Extreme heat can reduce panel efficiency despite increased sunlight hours
  • Occasional rainfall patterns: While generally dry, irregular heavy rains can affect short-term production
  • Humidity from nearby coastal areas: Can contribute to condensation and dust adhesion

Preventative Measures

To maximize energy production despite these challenges, several installation strategies prove effective. Regular cleaning schedules become essential, with automated cleaning systems or quarterly professional maintenance helping remove dust and debris. Proper ventilation spacing between panels and mounting surfaces helps combat heat buildup during intense summer periods. Installing panels with anti-reflective coatings and choosing equipment rated for high-temperature operation ensures better performance during peak summer months. Additionally, incorporating monitoring systems allows for quick identification of production issues, while strategic landscaping can help reduce local dust circulation around the installation area. Overall, Dos Hermanas represents an excellent location for solar PV installation, with strong year-round potential and manageable environmental challenges that proper planning can effectively address.

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 Dos Hermanas

Seasonal solar PV output for Latitude: 37.2866, Longitude: -5.9208 (Dos Hermanas, 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:

Summer
Average 8.26kWh/day in Summer.
Autumn
Average 4.58kWh/day in Autumn.
Winter
Average 2.86kWh/day in Winter.
Spring
Average 6.39kWh/day in Spring.

 

Ideally tilt fixed solar panels 32° South in Dos Hermanas, Spain

To maximize your solar PV system's energy output in Dos Hermanas, Spain (Lat/Long 37.2866, -5.9208) throughout the year, you should tilt your panels at an angle of 32° 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.

The sun
At Latitude: 37.2866, Longitude: -5.9208, the ideal angle to tilt panels is 32° South

Seasonally adjusted solar panel tilt angles for Dos Hermanas, 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 Dos Hermanas, Spain. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 32° South tilt angle throughout the year.

Overall Best Summer Angle Overall Best Autumn Angle Overall Best Winter Angle Overall Best Spring Angle
21° South in Summer 42° South in Autumn 52° South in Winter 30° South in Spring

Assuming you can modify the tilt angle of your solar PV panels throughout the year, you can optimize your solar generation in Dos Hermanas, Spain as follows: In Summer, set the angle of your panels to 21° facing South. In Autumn, tilt panels to 42° facing South for maximum generation. During Winter, adjust your solar panels to a 52° angle towards the South for optimal energy production. Lastly, in Spring, position your panels at a 30° angle facing South to capture the most solar energy in Dos Hermanas, Spain.

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 Dos Hermanas, 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 Dos Hermanas, 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.






Please enter information above to calculate panel spacing.

Topography for solar PV around Dos Hermanas, Spain

Topography Around Dos Hermanas

Dos Hermanas sits in the heart of Andalusia's Guadalquivir River valley, approximately 15 kilometers south of Seville. The landscape surrounding this municipality is characterized by remarkably flat terrain that forms part of the extensive Andalusian Plain. This broad, fertile lowland stretches across much of western Andalusia and represents one of Spain's most geographically uniform regions.

The elevation around Dos Hermanas remains consistently low, typically ranging between 50 to 100 meters above sea level. The terrain exhibits minimal variation, with gentle undulations rather than significant hills or valleys. This flat topography results from centuries of sedimentary deposits carried by the Guadalquivir River and its tributaries, creating deep, fertile soils that have historically supported extensive agricultural activities.

Moving outward from the town center, the landscape continues its flat character in all directions. To the north, the terrain gradually slopes toward the Guadalquivir River and the city of Seville. Southward, the plains extend toward the province of Cádiz, maintaining their level nature. The eastern and western approaches similarly present minimal topographical challenges, with only occasional low ridges breaking the predominantly flat horizon.

Agricultural Land Use Patterns

The surrounding countryside predominantly features large agricultural fields dedicated to olive groves, cereal crops, and citrus cultivation. These extensive farming operations have created a patchwork of relatively large, unobstructed parcels of land. The agricultural infrastructure includes scattered farmhouses, irrigation systems, and rural roads, but the overall density of development remains low compared to more urbanized areas.

Traditional farming practices have resulted in field boundaries that often extend for considerable distances without significant obstacles. Many properties encompass substantial acreage under single ownership, which has historically facilitated mechanized farming operations across the region.

Optimal Areas for Large-Scale Solar Development

The flat topography surrounding Dos Hermanas presents exceptional opportunities for large-scale solar photovoltaic installations. The most suitable areas lie in the agricultural zones extending south and southeast of the town, where extensive flat fields offer minimal grading requirements and excellent solar exposure throughout the day.

Particularly promising locations include the agricultural areas between Dos Hermanas and the municipalities of Utrera and Las Cabezas de San Juan. These zones benefit from large, consolidated land parcels with minimal existing infrastructure that could create shading issues. The flat terrain eliminates concerns about north-facing slopes or significant elevation changes that might affect panel efficiency or installation costs.

The western approaches toward Puebla del Río also present excellent potential, featuring similarly flat agricultural land with good accessibility via existing rural road networks. These areas maintain sufficient distance from residential zones while remaining close enough to existing electrical infrastructure for grid connection purposes.

Areas immediately north of Dos Hermanas, while topographically suitable, may face greater development constraints due to proximity to Seville's expanding urban area and associated land use pressures. However, the eastern agricultural zones toward Alcalá de Guadaíra offer promising alternatives with comparable topographical advantages and potentially fewer competing land uses.

The uniform, low-elevation terrain throughout the region means that virtually any location within a 15-20 kilometer radius of Dos Hermanas could accommodate large-scale solar installations from a purely topographical perspective. The primary considerations for site selection would likely center on land availability, existing infrastructure access, and regulatory factors rather than geographical constraints.

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!

Citation Guide

Article Details for Citation

Article: Solar PV Analysis of Dos Hermanas, Spain
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Saturday 9th of August 2025
Last Updated: Sunday 10th of August 2025

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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.

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