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Flag of SpainSolar PV Analysis of San Jose, Spain

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

San Jose, Balearic Islands, Spain, located at latitude 39.0544 and longitude 1.4917, offers a promising location for solar PV energy generation throughout the year. This Mediterranean coastal town experiences varying levels of solar potential across different seasons, with notable peaks and troughs in energy production.

Seasonal Solar Performance

Summer stands out as the most productive season, with an impressive daily output of 7.38kWh per kW of installed solar capacity. Spring follows as the second-best season, yielding 5.79kWh/day. Autumn sees a significant drop to 3.70kWh/day, while winter experiences the lowest output at 2.70kWh/day.

The substantial difference between summer and winter production highlights the region's distinct seasonal variations. However, even during the least productive winter months, the location still generates a reasonable amount of solar energy, making it a viable year-round option for solar PV installations.

Optimal Panel Installation

To maximize year-round solar energy production in San Jose, Balearic Islands, fixed solar panels should be tilted at a 33-degree angle facing south. This optimal angle takes into account the location's latitude and seasonal sun positions, ensuring the best overall performance throughout the year.

Environmental and Weather Considerations

While San Jose generally offers favorable conditions for solar energy production, there are a few factors to consider:

  • Occasional dust storms from the Sahara Desert can reduce panel efficiency. Regular cleaning and maintenance can mitigate this issue.
  • Proximity to the coast may lead to salt spray accumulation on panels, potentially affecting performance. Using corrosion-resistant materials and implementing routine cleaning can help address this concern.

Despite these minor challenges, San Jose remains an excellent location for solar PV installations. With proper planning and maintenance, the environmental factors can be effectively managed, ensuring optimal energy production throughout 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 San Jose

Seasonal solar PV output for Latitude: 39.0544, Longitude: 1.4917 (San Jose, 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 7.38kWh/day in Summer.
Autumn
Average 3.70kWh/day in Autumn.
Winter
Average 2.70kWh/day in Winter.
Spring
Average 5.79kWh/day in Spring.

 

Ideally tilt fixed solar panels 33° South in San Jose, Spain

To maximize your solar PV system's energy output in San Jose, Spain (Lat/Long 39.0544, 1.4917) throughout the year, you should tilt your panels at an angle of 33° 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: 39.0544, Longitude: 1.4917, the ideal angle to tilt panels is 33° South

Seasonally adjusted solar panel tilt angles for San Jose, 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 San Jose, Spain. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 33° South tilt angle throughout the year.

Overall Best Summer Angle Overall Best Autumn Angle Overall Best Winter Angle Overall Best Spring Angle
23° South in Summer 43° South in Autumn 54° South in Winter 31° 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 San Jose, Spain as follows: In Summer, set the angle of your panels to 23° facing South. In Autumn, tilt panels to 43° facing South for maximum generation. During Winter, adjust your solar panels to a 54° angle towards the South for optimal energy production. Lastly, in Spring, position your panels at a 31° angle facing South to capture the most solar energy in San Jose, 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 San Jose, 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 San Jose, 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 San Jose, Spain

The topography around San Jose, Spain, located at latitude 39.0544 and longitude 1.4917, is characterized by a diverse landscape typical of the Balearic Island of Ibiza. This area features a mix of gently rolling hills, small coastal plains, and rugged cliffs overlooking the Mediterranean Sea. The terrain gradually rises from the coastline towards the interior, with elevations ranging from sea level to around 200-300 meters above sea level in the nearby hills. The immediate vicinity of San Jose is dominated by a hilly landscape, with pine forests and Mediterranean scrubland covering much of the area. These hills are interspersed with small valleys and agricultural plots, creating a patchwork of natural and cultivated land. The coastline near San Jose is known for its rocky coves and small beaches, with dramatic cliffs punctuating the shoreline.

Suitable Areas for Large-Scale Solar PV

When considering areas nearby that would be most suited to large-scale solar photovoltaic (PV) installations, several factors come into play. The ideal locations would combine favorable topography, ample sunlight exposure, and minimal environmental impact. The inland areas to the north and northeast of San Jose present promising opportunities for solar PV development. These regions feature more open, flatter terrain with fewer obstructions, allowing for optimal sun exposure throughout the day. The gently sloping hillsides in these areas could also be advantageous, as they naturally face towards the south, maximizing solar gain. Additionally, some of the agricultural lands surrounding San Jose might be suitable for solar PV installations. These areas are already cleared and relatively flat, reducing the need for extensive land preparation. However, it's crucial to balance energy production with preserving valuable agricultural land. It's worth noting that while the coastal areas receive abundant sunlight, they may not be ideal for large-scale solar projects due to their scenic value, tourism importance, and potential environmental sensitivities. The rugged nature of the coastline also presents challenges for construction and maintenance of large solar arrays. Any solar PV development in the region would need to carefully consider local regulations, environmental impact, and integration with the existing power grid. The sunny climate of Ibiza generally provides excellent conditions for solar energy production, but specific site assessments would be necessary to determine the most suitable locations for large-scale projects.

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 San Jose, Spain
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Friday 10th of January 2025
Last Updated: Monday 21st of July 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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