Boos, Normandy, France is a moderately suitable location for year-round solar energy generation, though it experiences significant seasonal variation typical of Northern Temperate Zone locations.
Seasonal Solar Performance
The solar energy output at Boos varies dramatically throughout the year. Summer provides the strongest performance at 5.40 kWh per day per kW of installed capacity, making it an excellent time for solar generation. Spring follows closely with 5.06 kWh per day, offering nearly equivalent production levels. Autumn sees a notable decline to 2.67 kWh per day, while winter presents the most challenging conditions with only 1.18 kWh per day. This represents more than a four-fold difference between peak summer and winter production.Optimal Installation Configuration
For maximum year-round energy production at this location, solar panels should be installed at a fixed tilt angle of 42 degrees facing south. This angle has been calculated to optimize total annual output by accounting for the sun's varying position throughout the year and weighting for solar irradiance potential.Local Factors Affecting Solar Production
Several environmental and weather factors at Boos can significantly impact solar panel performance:- Marine climate influence from nearby coastal areas can create frequent cloud cover and fog
- High humidity levels typical of northern French locations can lead to moisture accumulation on panels
- Seasonal precipitation patterns may result in extended periods of reduced sunlight
- Potential for snow accumulation during winter months
Preventative Measures for Enhanced Performance
To maximize solar energy production despite these challenges, several installation strategies should be considered. Panels should be mounted with adequate spacing to promote air circulation, which helps prevent moisture buildup and ensures efficient cooling. Installing panels at the optimal 42-degree angle not only maximizes sun exposure but also promotes natural cleaning through rainfall and helps prevent snow accumulation. Regular maintenance schedules should include cleaning to remove any debris, salt deposits from marine air, or organic matter that could reduce efficiency. Consider investing in monitoring systems that can detect performance drops due to weather-related issues. Anti-reflective coatings and high-quality sealing can help panels perform better in the humid conditions common to this region.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 Boos
Seasonal solar PV output for Latitude: 49.3924, Longitude: 1.2041 (Boos, 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 Boos, France
To maximize your solar PV system's energy output in Boos, France (Lat/Long 49.3924, 1.2041) 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 Boos, 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 Boos, 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 Boos, 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 Boos, 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 Boos, France
Topography Around Boos, France
The area surrounding Boos in the Seine-Maritime department of Normandy features gently rolling terrain characteristic of the broader Norman landscape. This small commune sits within the Rouen metropolitan area, positioned on relatively flat to mildly undulating ground that forms part of the Seine River valley system. The topography consists primarily of low hills and shallow valleys, with elevations rarely exceeding 150 meters above sea level in the immediate vicinity. The landscape around Boos is predominantly agricultural, featuring expansive fields and pastures that stretch across the gentle slopes. These open spaces are interspersed with small woodlands and hedgerows typical of the Norman bocage countryside, though the bocage features are less pronounced in this particular area compared to other parts of Normandy. The terrain generally slopes gradually toward the Seine River valley to the south, creating a natural drainage pattern that has shaped the local topography over millennia.Optimal Areas for Large-Scale Solar Development
The most suitable locations for large-scale solar photovoltaic installations in the vicinity of Boos would be the extensive flat to gently sloping agricultural fields that dominate the landscape. These areas offer several advantages, including minimal shading from topographical features and the potential for efficient installation and maintenance access. The open farmland provides large contiguous spaces that could accommodate substantial solar arrays without significant terrain modification. South-facing slopes in the area present particularly attractive opportunities for solar development, as these naturally oriented surfaces would maximize exposure to direct sunlight throughout the day. The gentle gradients found throughout the region are ideal for solar installations, as they provide natural drainage while avoiding the complications associated with steep terrain. Areas to the southeast and southwest of Boos appear especially promising, where agricultural fields extend across rolling terrain with minimal obstruction from buildings or significant vegetation. These locations benefit from the open character of the landscape while maintaining good accessibility via the existing rural road network. The relatively stable geology of the Seine valley region also provides suitable foundation conditions for large-scale solar infrastructure. The proximity to existing electrical infrastructure serving the Rouen metropolitan area represents an additional advantage for solar development in this region, as grid connection would be more straightforward than in more remote locations. However, any large-scale solar development would need to balance energy production goals with the preservation of productive agricultural land and the scenic character of the Norman countryside.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: Thursday 7th of August 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
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.




