Flag of United States

Flag of FranceSolar PV Analysis of Bessancourt, France

Graph of hourly avg kWh electricity output per kW of Solar PV installed in Bessancourt, France (by season)

Bessancourt, France, located at coordinates 49.044, 2.2159, offers varying potential for solar energy generation throughout the year. This northern temperate zone location experiences significant seasonal fluctuations in solar production capacity.

Seasonal Solar Energy Production

The solar energy potential in Bessancourt shows marked seasonal differences. Summer stands out as the most productive period, generating 5.35kWh per day for each kilowatt of installed solar capacity. Spring follows closely with 4.93kWh/day per installed kilowatt. Production drops considerably in autumn to 2.71kWh/day, while winter sees the lowest output at just 1.21kWh/day per kilowatt installed.

This pattern creates a nearly 4.5-fold difference between the most productive summer months and the least productive winter period. The substantial spring production suggests that solar generation begins increasing significantly as early as March and continues strong through September.

Optimal Panel Installation

For fixed solar panel installations in Bessancourt, the ideal tilt angle is 42 degrees facing South. This specific angle maximizes year-round energy production by optimizing the panels' exposure to the sun's changing position throughout the seasons.

Environmental and Weather Considerations

Several factors could potentially impact solar production in this location. Northern France experiences frequent cloud cover and precipitation, particularly during winter months, which already show minimal production. Occasional snow accumulation could temporarily reduce output if panels become covered.

Preventative measures worth considering include:

  • Installing panels with sufficient tilt (the recommended 42 degrees) to encourage snow sliding off naturally
  • Implementing automated cleaning systems or regular maintenance schedules to remove dust and debris
  • Considering premium anti-reflective panel coatings that perform better in diffuse light conditions common during cloudy periods
  • Using micro-inverters or power optimizers to minimize the impact when some panels are partially shaded

Given the significant seasonal variation, households or businesses considering solar installation should plan for substantial supplementary power sources during the winter months or incorporate energy storage solutions to balance the seasonal differences.

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 Bessancourt

Seasonal solar PV output for Latitude: 49.044, Longitude: 2.2159 (Bessancourt, 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:

Summer
Average 5.35kWh/day in Summer.
Autumn
Average 2.71kWh/day in Autumn.
Winter
Average 1.21kWh/day in Winter.
Spring
Average 4.93kWh/day in Spring.

 

Ideally tilt fixed solar panels 42° South in Bessancourt, France

To maximize your solar PV system's energy output in Bessancourt, France (Lat/Long 49.044, 2.2159) 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.

The sun
At Latitude: 49.044, Longitude: 2.2159, the ideal angle to tilt panels is 42° South

Seasonally adjusted solar panel tilt angles for Bessancourt, 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 Bessancourt, 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 62° South in Winter 41° 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 Bessancourt, France as follows: In Summer, set the angle of your panels to 33° facing South. In Autumn, tilt panels to 52° facing South for maximum generation. During Winter, adjust your solar panels to a 62° angle towards the South for optimal energy production. Lastly, in Spring, position your panels at a 41° angle facing South to capture the most solar energy in Bessancourt, France.

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 Bessancourt, 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 Bessancourt, France.

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 Bessancourt, France

Bessancourt is situated in the Val-d'Oise department in the northern suburbs of Paris, France. The topography of this area is characterized by gentle undulations typical of the Île-de-France region. The town itself sits at an elevation of approximately 50-80 meters above sea level, nestled between the Montmorency Forest to the north and the Oise River valley to the west. The landscape around Bessancourt presents a mix of urban development, agricultural fields, and wooded areas. The terrain gradually slopes downward toward the southwest where the Oise River flows. This area is part of the Paris Basin, a geological region known for its sedimentary formations that create relatively flat to gently rolling landscapes.

Notable Topographical Features

To the north of Bessancourt lies the Montmorency Forest, a significant elevated woodland area that reaches heights of around 200 meters. This forest creates a natural boundary and introduces more varied topography with modest hills and valleys. The forest's southern edges transition into the residential and agricultural areas around Bessancourt. The southern and western portions of the region slope gently toward the Oise River valley, creating a gradual descent from the higher forested areas to the river plain. This river valley has shaped much of the local topography, carving a broad, flat floodplain surrounded by subtle terraces.

Potential Areas for Solar PV Development

When considering locations for large-scale solar PV installations near Bessancourt, several areas present favorable conditions based on topographical considerations: The agricultural plains to the south and southwest of Bessancourt offer relatively flat terrain that would minimize construction challenges and shadow effects. These open areas receive consistent solar exposure due to their unobstructed horizons and minimal slope variations. The gently sloping areas that transition from the town toward the Oise River valley could also be suitable, particularly those with southern aspects that maximize solar gain throughout the day. These subtle inclines can actually improve solar efficiency compared to perfectly flat terrain. Former industrial zones or brownfield sites in the broader region around Bessancourt might present opportunities for solar development without displacing agricultural land. These areas often feature cleared, level ground that requires minimal preparation for solar installations. It's worth noting that the dense urban development of nearby Paris and its immediate suburbs would generally be less suitable for large-scale installations, though rooftop solar remains viable in these areas. Similarly, the Montmorency Forest would not be an appropriate location due to environmental considerations and shading effects. The most promising locations would combine favorable topography with existing infrastructure access, particularly proximity to electrical substations and transmission lines that could accommodate the input from large solar arrays. Areas with minimal flooding risk and stable ground conditions would further enhance suitability from a topographical perspective.

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

Article: Solar PV Analysis of Bessancourt, France
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Sunday 1st of June 2025
Last Updated: Monday 21st of July 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?

"Tout comme le soleil alimente les panneaux solaires, le café met du beurre dans nos épinards pour booster notre recherche et développement." 😊
Buy me a coffee - Thanks for your support!

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.

Worldwide Solar PV Analysis of 20,000 Locations

Helping you assess viability of solar PV for your site

profileSOLAR on YouTube

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.

Calculate Your Optimal Solar Panel Tilt Angle