Liancourt, France, situated at latitude 49.3257 and longitude 2.4719, presents a mixed landscape for solar energy generation throughout the year. This location in the Northern Temperate Zone experiences significant seasonal variations in solar potential, which directly impacts the efficiency of photovoltaic (PV) systems.
Seasonal Solar Performance
The solar energy output in Liancourt fluctuates considerably across the four seasons. Summer stands out as the most productive period, with an impressive daily average of 5.41 kWh per kW of installed solar capacity. Spring follows closely behind, yielding 5.00 kWh/day. However, the output drops significantly during autumn to 2.77 kWh/day, and plummets to a mere 1.26 kWh/day in winter.
These figures highlight that Liancourt's solar potential is heavily skewed towards the warmer months. The long summer days and higher sun angles contribute to peak performance from late spring through early autumn. This period is ideal for maximizing solar energy generation and could potentially offset higher electricity demands for cooling during heatwaves.
Optimal Panel Positioning
To optimize year-round solar production in Liancourt, fixed panels should be tilted at a 42-degree angle facing south. This calculated angle takes into account the location's latitude and seasonal sun paths to maximize energy capture throughout the year.
Environmental Considerations
While Liancourt's location is generally favorable for solar energy, there are some environmental factors to consider:
- Cloud cover: The region can experience significant cloud cover, especially during autumn and winter, which may reduce solar efficiency.
- Precipitation: Rainfall and occasional snow in winter can temporarily decrease panel output and require maintenance.
To mitigate these issues, installers should consider using high-efficiency panels that perform well in low-light conditions. Additionally, implementing a robust cleaning schedule and potentially installing automated cleaning systems can help maintain optimal performance, especially during the less productive seasons.
In conclusion, while Liancourt's solar potential is not ideal year-round, strategic installation and maintenance can still make solar PV a viable energy option, particularly when leveraging the highly productive summer and spring seasons.
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 Liancourt
Seasonal solar PV output for Latitude: 49.3257, Longitude: 2.4719 (Liancourt, 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 Liancourt, France
To maximize your solar PV system's energy output in Liancourt, France (Lat/Long 49.3257, 2.4719) 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 Liancourt, 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 Liancourt, 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 Liancourt, 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 Liancourt, 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 Liancourt, France
The topography around Liancourt, France, located at approximately 49.3257 latitude and 2.4719 longitude, is characterized by gently rolling hills and open plains typical of the Picardy region. This area, situated in the Oise department of northern France, features a mix of agricultural land, small forests, and scattered settlements. The landscape surrounding Liancourt is predominantly rural, with elevations ranging from about 50 to 150 meters above sea level. The terrain is generally flat to slightly undulating, with occasional shallow valleys created by small streams and rivers that crisscross the region. This gentle topography is a result of the area's geological history, shaped by centuries of agricultural use and natural erosion processes.
Suitability for Large-Scale Solar PV
When considering areas nearby that would be most suited to large-scale solar photovoltaic (PV) installations, several factors come into play. The relatively flat terrain in the vicinity of Liancourt offers favorable conditions for solar farms, as it minimizes shading issues and simplifies construction processes. The agricultural plains to the north and east of Liancourt present the most promising locations for large-scale solar PV projects. These areas benefit from expansive, open spaces with minimal obstruction from trees or buildings, allowing for maximum sun exposure throughout the day. The gentle slopes in these regions can also be advantageous, as they can be oriented to optimize solar panel placement for increased energy production. However, it's important to note that the implementation of solar farms in this area would need to balance energy production goals with the preservation of valuable agricultural land. Some of the less productive farmland or fallow fields could be ideal candidates for solar PV installations, providing a dual benefit of renewable energy generation and land diversification for local farmers. Areas to the south and west of Liancourt, where there are more forested patches and slightly more varied terrain, may be less suitable for large-scale solar projects. These locations would likely require more extensive land clearing and grading, potentially increasing costs and environmental impact. In conclusion, while the topography around Liancourt is generally favorable for solar PV development, the most suitable areas would be the open agricultural lands to the north and east of the town. These locations offer the best combination of flat terrain, minimal obstructions, and potential for large-scale implementation without significant alterations to the existing landscape.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: Sunday 20th of October 2024
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?
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.




