Tourcoing, France, situated at latitude 50.7236 and longitude 3.1616, presents a moderate location for solar PV energy generation with significant seasonal variation. This northern French city experiences considerable differences in solar energy production throughout the year, which affects the overall efficiency of solar installations.

Seasonal Solar Production in Tourcoing

Solar energy generation in Tourcoing follows a predictable seasonal pattern. During summer months, solar panels produce their highest output at 5.34kWh per day for each kilowatt installed. Spring follows closely with 4.90kWh/day, making these two seasons the optimal periods for solar energy harvesting.

In contrast, autumn yields a moderate 2.49kWh/day, while winter production drops dramatically to just 1.14kWh/day per kilowatt installed. This winter output represents only about 21% of the summer production, highlighting the significant seasonal disparity at this northern location.

Optimal Panel Installation

For fixed solar panel installations in Tourcoing, the ideal tilt angle to maximize year-round energy production is 43 degrees facing South. This specific angle has been calculated taking into account the city's latitude and the weighted solar potential throughout the year, optimizing for the sun's varying position across seasons.

Environmental and Weather Challenges

Several factors can impact solar energy production in Tourcoing:

• Cloud cover and rainfall: The northern French climate brings frequent cloud cover, particularly in winter months, further reducing the already limited solar radiation.
• Snow and frost: Winter accumulation can block panels and reduce efficiency, though this is typically a temporary issue.
• Air pollution: Being in an industrial region near Lille, Tourcoing may experience some urban air pollution that can marginally reduce solar irradiance.

Preventative Measures

To maximize solar production despite these challenges, several strategies can be implemented:

• Regular cleaning schedules to remove dust, pollen, and bird droppings that can accumulate on panels.
• Snow removal systems or steeper installation angles in areas prone to snow buildup.
• High-quality inverters with good low-light performance to maximize production during cloudy periods.
• Consider bifacial panels that can capture reflected light, particularly useful during winter months when snow cover can increase reflectivity.

While Tourcoing doesn't offer ideal year-round solar conditions compared to southern European locations, proper system design focusing on maximizing summer and spring production can still make solar PV installations economically viable, especially as part of a diversified energy strategy.

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 Tourcoing

Seasonal solar PV output for Latitude: 50.7236, Longitude: 3.1616 (Tourcoing, 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 43° South in Tourcoing, France

To maximize your solar PV system's energy output in Tourcoing, France (Lat/Long 50.7236, 3.1616) throughout the year, you should tilt your panels at an angle of 43° 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 Tourcoing, 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 Tourcoing, France. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 43° South tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
34° South in Summer	53° South in Autumn	63° South in Winter	43° 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 Tourcoing, 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 Tourcoing, 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.

Topography for solar PV around Tourcoing, France

Tourcoing is situated in the northern part of France, near the Belgian border, in a region known as French Flanders. The topography around Tourcoing is predominantly flat to gently undulating, characteristic of the wider Nord-Pas-de-Calais region. This area forms part of the vast Northern European Plain that extends across much of northern Europe. The landscape around Tourcoing has an average elevation of approximately 20-40 meters above sea level, with minimal variation in altitude. This relatively flat terrain is a result of ancient geological processes and has been further shaped by centuries of human activity, including agriculture and urbanization. The Lys River and its tributaries flow through the region, creating subtle valleys that provide the only significant topographical features in an otherwise level landscape.

Urban and Rural Context

Tourcoing itself is part of a densely populated urban conurbation that includes the cities of Lille and Roubaix, forming France's fourth-largest metropolitan area. The immediate surroundings of Tourcoing are heavily urbanized, with industrial zones, residential areas, and commercial developments dominating the landscape. However, moving outward from this urban core, the terrain transitions to agricultural land with open fields, particularly to the west and southwest.

Potential Areas for Solar PV Development

Given the topographical characteristics of the region, several areas near Tourcoing could potentially accommodate large-scale solar PV installations: The agricultural plains to the southwest of Tourcoing, extending toward the communities of Halluin and Bondues, present flat, open terrain that would minimize installation challenges and shadow effects. These areas receive good solar exposure due to the absence of significant natural obstructions. Former industrial sites and brownfields in the Lille-Roubaix-Tourcoing metropolitan area could be repurposed for solar energy production. These locations often have large, unshaded roof spaces or vacant land parcels that are already connected to electrical infrastructure. The more rural areas to the southeast, in the direction of Villeneuve-d'Ascq, offer a combination of gently rolling terrain and agricultural land that could accommodate solar arrays while maintaining some agricultural activities through agrivoltaic approaches.

Topographical Considerations for Solar Installation

The flat nature of the landscape around Tourcoing generally favors solar PV development, as it minimizes earthwork requirements and simplifies construction. The lack of significant hills or mountains means there are few natural barriers creating shadows that would reduce solar efficiency. However, the region's northern latitude does mean that optimal solar panel orientation and spacing are particularly important to maximize energy capture. The gentle slopes that do exist in the area would ideally be south-facing to enhance solar exposure. The region's dense population and developed nature mean that land availability may be a limiting factor, potentially making dual-use applications (such as solar canopies over parking areas or commercial rooftop installations) particularly valuable alternatives to ground-mounted systems in open 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

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.