Solar Energy Potential in Verneuil-sur-Seine, France
Verneuil-sur-Seine, a location in northern France, offers varying potential for solar energy production throughout the year. This location experiences significant seasonal fluctuations in solar energy generation, which is typical for sites in the Northern Temperate Zone. The seasonal solar production shows a clear pattern. Summer provides the highest energy output at 5.52kWh per day for each kilowatt of installed solar capacity. Spring follows closely with 5.03kWh/day. There's a substantial drop in autumn, with production falling to 2.85kWh/day, while winter sees the lowest output at just 1.27kWh/day per installed kilowatt.Optimal Installation Angle
For fixed solar panel installations in Verneuil-sur-Seine, the ideal tilt angle to maximize year-round energy production is 42 degrees facing South. This specific angle has been calculated to optimize solar collection across the changing seasons, taking into account the location's latitude and the varying solar elevation throughout the year.Seasonal Considerations
The data clearly indicates that summer and spring are the prime seasons for solar energy generation in this location. During these periods, a solar installation will produce approximately 4-5 times more energy than during the winter months. This significant seasonal variation should be factored into any planning for solar energy systems in Verneuil-sur-Seine.Potential Challenges and Solutions
Several environmental factors could impact solar production at this location. Northern France experiences frequent cloud cover and precipitation, particularly in winter months, which likely contributes to the low winter production figures. Snow accumulation, though not typically heavy in this region, could temporarily reduce output during winter. To mitigate these challenges, installations should consider:- Self-cleaning panel technologies to address dust and pollen accumulation, which is common in spring
- Slightly steeper panel angles than the optimal 42 degrees if winter production is particularly important, as this helps shed snow more effectively
- Regular maintenance schedules, especially before winter and spring to ensure maximum efficiency during varying conditions
- High-efficiency panels that perform better in lower light conditions to improve production during cloudy periods
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 627 locations across France. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.
Link: Solar PV potential in France by location
Solar output per kW of installed solar PV by season in Verneuil-sur-Seine
Seasonal solar PV output for Latitude: 48.9753, Longitude: 1.9552 (Verneuil-sur-Seine, France), 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 42° South in Verneuil-sur-Seine, France
To maximize your solar PV system's energy output in Verneuil-sur-Seine, France (Lat/Long 48.9753, 1.9552) throughout the year, you should tilt your panels at an angle of 42° 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 Verneuil-sur-Seine, France
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 Verneuil-sur-Seine, France. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 42° South tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 33° South in Summer | 52° South in Autumn | 63° South in Winter | 41° 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 Verneuil-sur-Seine, France
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 Verneuil-sur-Seine, France.
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 Verneuil-sur-Seine, France
The landscape surrounding Verneuil-sur-Seine presents a diverse topographical profile characteristic of the western Île-de-France region. Located approximately 35 kilometers northwest of Paris, this commune sits within the Seine Valley, with the meandering Seine River forming its eastern boundary. The terrain exhibits moderate variations in elevation, ranging from approximately 20 meters above sea level along the riverbanks to about 170 meters in the higher western portions.
River Valley and Floodplains
The eastern section of Verneuil-sur-Seine features the relatively flat floodplains of the Seine River. These lowlands have been shaped by centuries of fluvial processes, creating fertile alluvial soils. The river valley stretches north-south, with gentle slopes rising from the riverbanks westward. This gradual transition from riverine lowlands to higher elevations creates distinctive terracing in the landscape.Plateaus and Elevated Areas
Moving westward from the Seine, the terrain gradually ascends to form a series of plateaus and small hills. These elevated areas represent the eastern edges of larger plateau formations that extend throughout the Yvelines department. The transition between the river valley and these higher elevations is characterized by moderate slopes, occasionally interrupted by small ravines and dry valleys formed by ancient water drainage patterns. The western portions of Verneuil-sur-Seine and its surrounding areas reach the highest elevations, offering panoramic views over the Seine Valley. These plateaus feature a mix of agricultural land, wooded areas, and developed spaces.Forest Coverage
Significant portions of the landscape around Verneuil-sur-Seine are covered by forests, particularly in the higher elevations to the west and southwest. The Forêt de Verneuil extends across parts of the western territory, while other wooded areas dot the landscape. These forests typically occupy the steeper slopes and areas less suitable for agriculture or development.Suitability for Solar PV Development
When considering areas near Verneuil-sur-Seine for large-scale solar photovoltaic installations, several topographical factors become relevant. The most promising locations would be:Plateau Regions
The elevated plateau areas to the west and southwest of Verneuil-sur-Seine offer ideal conditions for solar PV development. These relatively flat expanses receive consistent solar exposure throughout the day due to their elevation and lack of significant shadowing from surrounding terrain. The stable geological foundation of these plateaus also simplifies construction and installation processes.Agricultural Transitions
Areas where agricultural land meets the edges of the plateaus present opportunities for dual-use solar installations. These transition zones typically feature gentle slopes with southern or southeastern aspects, maximizing solar gain throughout the year. The moderate incline can actually enhance energy capture during morning and midday periods compared to perfectly flat installations.Former Extraction Sites
The broader region around Verneuil-sur-Seine has a history of quarrying and extraction activities. These former industrial sites, particularly those that have been properly remediated, offer excellent potential for solar development. Their disturbed nature means minimal additional environmental impact, and they often feature the necessary infrastructure connections that can be repurposed for solar energy transmission.Areas to Avoid
The immediate Seine floodplain should be avoided due to periodic flooding risks and higher water tables. Similarly, the densely forested areas on steeper slopes would require significant clearing and grading, creating both environmental concerns and increased development costs. The northern slopes receive reduced direct sunlight compared to south-facing areas, making them less efficient for solar energy production. The topographical diversity around Verneuil-sur-Seine creates a landscape where selective siting of solar installations can maximize energy production while minimizing environmental impacts and development challenges. The elevated plateau regions, with their stable geology and excellent solar exposure, represent the prime candidates for large-scale solar PV development in this region of France.France solar PV Stats as a country
France ranks 11th in the world for cumulative solar PV capacity, with 14,718 total MW's of solar PV installed. This means that 2.80% of France's total energy as a country comes from solar PV (that's 30th in the world). Each year France is generating 218 Watts from solar PV per capita (France ranks 23rd in the world for solar PV Watts generated per capita). [source]
Are there incentives for businesses to install solar in France?
Yes, there are several incentives for businesses wanting to install solar energy in France. The French government offers a range of financial incentives and tax credits to encourage businesses to invest in renewable energy sources such as solar power. These include the Feed-in Tariff (FiT), which pays businesses for the electricity they generate from their solar panels, and the Investment Tax Credit (ITC), which provides a 30% tax credit on investments made in renewable energy systems. Additionally, businesses may be eligible for grants or loans from local authorities or regional development agencies.
Do you have more up to date information than this on incentives towards solar PV projects in France? 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: Tuesday 20th of May 2025
Last Updated: Friday 28th of November 2025
Tell Us About Your Work
We love seeing how our research helps others! If you've cited this article in your work, we'd be delighted to hear about it. Drop us a line via our Contact Us page or on X, to share where you've used our information - we may feature a link to your work on our site. This helps create a network of valuable resources for others in the solar energy community and helps us understand how our research is contributing to the field. Plus, we occasionally highlight exceptional works that reference our research on our social media channels.
Feeling generous?
Share this with your friends!

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.




