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Flag of SpainSolar PV Analysis of Molins De Rei, Spain

Graph of hourly avg kWh electricity output per kW of Solar PV installed in Molins De Rei, Spain (by season)

Molins de Rei, Spain, located at latitude 41.4207 and longitude 2.016, offers a generally favorable environment for solar PV energy generation throughout the year. This location in the Northern Temperate Zone experiences significant seasonal variations in solar output, which is typical for its latitude.

Seasonal Solar Performance

Summer stands out as the peak season for solar energy production, with an impressive 7.14 kWh per day for each kilowatt of installed solar capacity. Spring follows as the second-best season, generating 5.50 kWh/day. Autumn sees a notable decrease to 3.52 kWh/day, while winter experiences the lowest output at 2.38 kWh/day per kW installed.

The substantial difference between summer and winter production highlights the importance of proper system sizing to meet year-round energy needs. While summer months provide abundant solar energy, winter months may require supplementary power sources or energy storage solutions to maintain consistent supply.

Optimal Panel Installation

For fixed panel installations in Molins de Rei, the ideal tilt angle to maximize year-round solar production is 35 degrees facing South. This angle optimizes the balance between summer and winter sun exposure, considering the location's latitude and seasonal sun paths.

Environmental Considerations

While Molins de Rei generally offers good conditions for solar energy production, there are a few environmental factors to consider:

  1. Dust and pollen: The Mediterranean climate can lead to dust accumulation on panels, potentially reducing efficiency.
  2. Occasional heatwaves: Very high temperatures can slightly decrease panel efficiency.

To mitigate these issues, regular panel cleaning and the use of heat-resistant, high-efficiency panels are recommended. Additionally, ensuring proper ventilation behind the panels can help maintain optimal operating temperatures.

Overall, Molins de Rei presents a favorable location for solar PV installations, with ample sunlight throughout most of the year and manageable environmental challenges. The significant seasonal variations underscore the importance of proper system design and potentially incorporating energy storage solutions for year-round reliability.

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 Molins De Rei

Seasonal solar PV output for Latitude: 41.4207, Longitude: 2.016 (Molins De Rei, 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 7.14kWh/day in Summer.
Autumn
Average 3.52kWh/day in Autumn.
Winter
Average 2.38kWh/day in Winter.
Spring
Average 5.50kWh/day in Spring.

 

Ideally tilt fixed solar panels 35° South in Molins De Rei, Spain

To maximize your solar PV system's energy output in Molins De Rei, Spain (Lat/Long 41.4207, 2.016) 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.

The sun
At Latitude: 41.4207, Longitude: 2.016, the ideal angle to tilt panels is 35° South

Seasonally adjusted solar panel tilt angles for Molins De Rei, 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 Molins De Rei, 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
25° South in Summer 45° South in Autumn 56° South in Winter 34° 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 Molins De Rei, Spain as follows: In Summer, set the angle of your panels to 25° facing South. In Autumn, tilt panels to 45° facing South for maximum generation. During Winter, adjust your solar panels to a 56° angle towards the South for optimal energy production. Lastly, in Spring, position your panels at a 34° angle facing South to capture the most solar energy in Molins De Rei, 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 Molins De Rei, 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 Molins De Rei, 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 Molins De Rei, Spain

The area surrounding Molins de Rei, Spain, located at coordinates 41.4207 latitude and 2.016 longitude, is characterized by a diverse and picturesque topography. This region, situated in the province of Barcelona, Catalonia, features a mix of gentle hills, river valleys, and flat plains, creating a varied landscape that transitions from urban areas to more rural settings. Molins de Rei itself is nestled in the Llobregat River valley, with the town center situated on relatively flat terrain. As one moves away from the town, the landscape becomes more undulating, with low hills and small ridges dotting the countryside. To the northwest of Molins de Rei, the terrain gradually rises towards the Collserola mountain range, which forms a natural backdrop to the area.

Surrounding Topography

The Llobregat River, a significant geographical feature, flows to the east of Molins de Rei. Its wide valley provides areas of flat, alluvial plains that have historically been used for agriculture. These plains extend southward towards the Mediterranean coast, offering expansive open spaces. To the west and northwest, the landscape becomes more rugged as it approaches the foothills of the Garraf Massif. This area is characterized by limestone formations, creating a more dramatic topography with steeper slopes and rocky outcrops.

Potential for Solar PV Installation

When considering areas nearby that would be most suited to large-scale solar PV installations, several factors come into play. The ideal locations would combine flat or gently sloping terrain, good sun exposure, and minimal environmental impact. The flat plains along the Llobregat River valley, particularly to the south of Molins de Rei, present promising opportunities for solar PV development. These areas offer large, open spaces with minimal shading from geographical features, making them well-suited for expansive solar arrays. Additionally, some of the gentler hillsides to the west and northwest of Molins de Rei could be potential sites for solar installations. While care would need to be taken to avoid areas of significant ecological importance or steep slopes, the elevated positions of these hillsides could provide excellent sun exposure throughout the day. It's important to note that any large-scale solar PV project would need to carefully consider local zoning regulations, environmental impact assessments, and the proximity to existing power infrastructure. The areas closer to urban centers like Molins de Rei might offer advantages in terms of grid connection, but could face more restrictions due to land use policies. In conclusion, while the varied topography around Molins de Rei presents some challenges for large-scale solar PV installations, there are several promising areas, particularly in the river valley and on gentler slopes, that could be suitable for such projects. Careful planning and site selection would be crucial to maximize the potential of solar energy in this diverse landscape.

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 Molins De Rei, Spain
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Friday 21st of March 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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