Geria, Castille and León, Spain presents a moderately favorable location for year-round solar PV energy generation, though with significant seasonal variations that potential installers should carefully consider.
Seasonal Solar Performance
The solar energy output at this Northern Temperate Zone location shows dramatic differences throughout the year. Summer delivers the strongest performance at 7.97kWh per day per kW of installed capacity, making it an excellent time for solar generation. Spring also performs well with 5.91kWh per day per kW, providing solid energy production during the growing season. However, the location faces considerable challenges during colder months. Autumn drops to 3.89kWh per day per kW, while winter presents the most difficult period with only 2.33kWh per day per kW of installed solar capacity.Optimal Installation Configuration
For maximum year-round energy production at Geria, Castille and León, solar panels should be installed at a fixed tilt angle of 35 degrees facing south. This angle has been calculated to optimize total annual solar output by accounting for the sun's changing position throughout the year and weighting for daily solar potential.Environmental and Weather Factors
Several local factors could potentially impact solar production at this Spanish location:- Snow accumulation: Winter weather may cause snow to collect on panels, blocking sunlight and reducing energy output
- Dust and agricultural particles: The rural location may experience dust buildup from farming activities or dry conditions
- Seasonal cloud cover: Extended periods of overcast skies during autumn and winter months
- Temperature effects: Extreme summer heat can reduce panel efficiency despite high solar irradiance
Preventative Measures for Better Performance
To maximize solar energy production despite these challenges, several installation strategies can help:- Steep panel mounting: The recommended 35-degree tilt helps snow slide off naturally and reduces dust accumulation
- Regular cleaning schedule: Establish quarterly cleaning routines, with more frequent cleaning during dusty agricultural seasons
- Adequate ventilation: Install panels with proper air circulation underneath to prevent overheating during hot summers
- Quality mounting systems: Use robust mounting hardware designed to handle snow loads and wind typical of the region
- Professional maintenance: Schedule annual inspections to ensure optimal performance year-round
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 Geria
Seasonal solar PV output for Latitude: 41.5748, Longitude: -4.8754 (Geria, 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 35° South in Geria, Spain
To maximize your solar PV system's energy output in Geria, Spain (Lat/Long 41.5748, -4.8754) throughout the year, you should tilt your panels at an angle of 35° 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 Geria, 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 Geria, Spain. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 35° 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 | 56° South in Winter | 34° 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 Geria, 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 Geria, Spain.
Our calculation method
- Solar Position:
We determine the Sun's position on the Winter solstice using the location's latitude and solar declination. - Shadow Projection:
We calculate the shadow length cast by panels using trigonometry, considering panel tilt and the Sun's elevation angle. - 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 Geria, Spain
Topography Around Geria, Spain
Geria is located in the province of Valladolid within the autonomous community of Castile and León in north-central Spain. The landscape surrounding this small municipality is characterized by the gently rolling plains and plateaus typical of the northern Meseta Central, Spain's vast central plateau. The terrain consists primarily of flat to moderately undulating agricultural land with elevations ranging between approximately 700 to 800 meters above sea level.
The area forms part of the Duero River basin, though Geria itself sits on slightly elevated ground away from the main river valley. The topography is dominated by broad, open fields used primarily for cereal cultivation, particularly wheat and barley. The landscape features gentle slopes and wide valleys carved by seasonal streams and small tributaries that eventually drain toward the Duero River system to the south.
The terrain is relatively uniform across the region, with few significant elevation changes or geographical obstacles. Small hills and ridges occasionally break the otherwise flat horizon, but these features rarely exceed 50 to 100 meters in relative height above the surrounding plains. The soil composition consists mainly of sedimentary deposits, creating fertile agricultural land that has been cultivated for centuries.
Optimal Areas for Large-Scale Solar PV Development
The topography around Geria presents excellent conditions for large-scale solar photovoltaic installations. The extensive flat and gently sloping terrain provides ideal conditions for solar panel arrays, minimizing the need for extensive ground preparation and reducing construction costs. The open agricultural plains stretching in all directions offer abundant space for utility-scale solar farms without significant topographical constraints.
The most suitable areas for solar development would be the flat agricultural fields located on slightly elevated ground to the north and east of Geria. These locations benefit from minimal shading from natural features and provide excellent access for construction vehicles and maintenance equipment. The gentle south-facing slopes found throughout the region would be particularly advantageous for solar installations, as they naturally optimize panel orientation without requiring complex mounting systems.
Areas to the west and southwest of Geria also present strong potential, where the terrain remains consistently flat with good drainage characteristics. The absence of significant forests, hills, or other obstacles means that large contiguous areas can be developed efficiently. The existing agricultural road network provides adequate infrastructure access, though some improvements might be necessary for heavy equipment transport during construction phases.
The relatively sparse population density in the surrounding rural areas reduces potential conflicts with residential development, while the proximity to existing electrical infrastructure along major roads provides opportunities for grid connection. The stable, well-drained soils typical of this agricultural region also provide solid foundations for solar mounting systems, reducing engineering challenges associated with ground conditions.
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
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Thursday 31st of July 2025
Last Updated: Friday 8th 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.
Helping you assess viability of solar PV for your site
Calculate Your Optimal Solar Panel Tilt Angle: A Comprehensive Guide
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