Talavera de la Reina, Spain presents a moderately good location for year-round solar photovoltaic energy generation, though with significant seasonal variations typical of its Northern Temperate Zone position.
Seasonal Solar Performance
The solar energy output varies considerably throughout the year at this location. Summer delivers the strongest performance at 8.18kWh per day per kW of installed solar capacity, making it an excellent time for solar generation. Spring follows as the second-best season with 6.21kWh per day per kW, providing substantial energy production as daylight hours increase and weather conditions improve. Autumn sees a notable decline to 4.28kWh per day per kW as the region transitions into cooler months with less favorable sun angles. Winter presents the most challenging period for solar generation, dropping to just 2.75kWh per day per kW, representing roughly one-third of summer production levels.Optimal Panel Configuration
For maximum year-round energy production at Talavera de la Reina, solar panels should be installed at a fixed tilt angle of 34 degrees facing south. This angle has been calculated to optimize total annual output by accounting for the sun's varying elevation throughout the year and weighting these angles according to actual solar irradiance data.Local Factors Affecting Solar Production
Several environmental and weather factors in this central Spanish location can impact solar panel performance:- Dust accumulation from the semi-arid climate and agricultural activities in the surrounding plains
- Occasional severe weather including hailstorms and strong winds
- Temperature extremes during summer months that can reduce panel efficiency
- Potential for snow coverage during winter months, though typically brief
Preventative Measures for Better Performance
To maximize solar energy production despite these challenges, several installation strategies prove effective. Regular cleaning schedules become essential due to dust accumulation, with automated cleaning systems or accessible manual cleaning arrangements helping maintain optimal panel surfaces. Robust mounting systems designed to withstand local wind loads and potential hail damage protect the investment long-term. Choosing panels with good high-temperature performance coefficients helps maintain efficiency during hot summer periods when ambient temperatures can significantly impact output. Proper spacing between panel rows prevents snow buildup issues while ensuring adequate ventilation for cooling. Installing monitoring systems allows for quick identification of performance issues, enabling prompt maintenance responses that keep the system operating at peak efficiency 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 Talavera De La Reina
Seasonal solar PV output for Latitude: 39.9607, Longitude: -4.8247 (Talavera De La Reina, 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 34° South in Talavera De La Reina, Spain
To maximize your solar PV system's energy output in Talavera De La Reina, Spain (Lat/Long 39.9607, -4.8247) throughout the year, you should tilt your panels at an angle of 34° 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 Talavera De La Reina, 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 Talavera De La Reina, Spain. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 34° South tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 24° South in Summer | 44° South in Autumn | 55° South in Winter | 32° 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 Talavera De La Reina, 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 Talavera De La Reina, 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 Talavera De La Reina, Spain
Topographical Features of Talavera de la Reina
Talavera de la Reina sits in the fertile Tagus River valley in the province of Toledo, within the autonomous community of Castile-La Mancha. The city occupies a strategic position along the banks of the Tagus River, Spain's longest waterway, which flows westward toward Portugal and the Atlantic Ocean. The surrounding landscape is characterized by gently rolling plains and low hills that form part of the broader Meseta Central, the elevated plateau that dominates much of central Spain. The immediate vicinity of Talavera features relatively flat terrain with gradual elevation changes, making it part of the classic Castilian countryside. The Tagus River has carved a shallow valley through this landscape over millennia, creating fertile alluvial soils that have supported agriculture for centuries. To the north and south of the river valley, the land rises gradually into low hills and ridges that rarely exceed 200 meters above the valley floor.Regional Elevation and Drainage Patterns
The broader region exhibits a gentle slope from east to west, following the natural drainage pattern toward the Atlantic. Several tributary streams and seasonal watercourses flow into the Tagus from both sides, creating a dendritic drainage network that has shaped the local topography. These smaller waterways have carved shallow valleys and created a landscape of low ridges separated by broad, flat-bottomed valleys. The Sierra de San Vicente rises to the south of Talavera, forming a more pronounced topographical feature with steeper slopes and higher elevations. This mountain range creates a natural barrier and influences local weather patterns, while also providing a dramatic backdrop to the otherwise gentle terrain. To the north, the landscape continues as part of the Meseta Central, with vast expanses of relatively flat agricultural land stretching toward the Guadarrama mountain range.Optimal Areas for Large-Scale Solar Development
The extensive flat and gently sloping areas south and east of Talavera de la Reina present excellent opportunities for large-scale solar photovoltaic installations. These zones benefit from minimal topographical constraints, allowing for efficient panel placement and maintenance access. The broad plateaus and gentle hillsides in these directions offer substantial land areas with consistent southern exposure, essential for maximizing solar energy capture throughout the day. The agricultural plains extending eastward toward Toledo provide particularly suitable conditions, with large contiguous areas of relatively unused or low-value farmland. These expanses feature gentle slopes that can be easily graded for optimal panel orientation while maintaining good drainage characteristics. The sparse population density in these rural areas also reduces potential conflicts with residential development. Areas northwest of the city, while generally flat, may be less optimal due to their proximity to the river valley and associated flood plains. The slightly elevated plateaus to the southwest, below the Sierra de San Vicente foothills, offer another promising zone. These locations provide good elevation above the river valley while maintaining the gentle topography necessary for efficient solar farm construction and operation. The region's well-developed transportation infrastructure, including major highways and rail connections, enhances the attractiveness of these areas for solar development by facilitating equipment transport and maintenance access. The existing electrical grid infrastructure serving this industrial region also provides favorable conditions for connecting large-scale solar installations to the power distribution network.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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Article Details for Citation
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Sunday 10th of August 2025
Last Updated: Monday 11th 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
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.




