Stiring-Wendel, Grand Est, France, located in the Northern Temperate Zone at coordinates 49.204°N, 6.9337°E, presents a moderately favorable location for year-round solar energy generation, though with significant seasonal variations typical of its northern European climate.

Seasonal Solar Performance

The solar energy output at this location shows dramatic seasonal fluctuations. Summer delivers the strongest performance at 5.28 kWh per day per kW of installed capacity, making it the prime season for solar generation. Spring follows as the second-best period with 4.58 kWh per day per kW, offering excellent energy production as daylight hours increase and weather conditions improve. Autumn experiences a notable decline to 2.54 kWh per day per kW as the region transitions into the darker months. Winter presents the most challenging conditions, producing only 1.19 kWh per day per kW of installed capacity, representing less than a quarter of summer output. For optimal year-round energy capture at Stiring-Wendel, Grand Est, solar panels should be installed at a fixed angle of 42 degrees tilted toward the south. This angle maximizes total annual production by accounting for the sun's varying position throughout the seasons and the location's specific latitude.

Environmental and Weather Challenges

Several local factors in this northeastern French location can significantly impact solar energy production:

• Frequent cloud cover and overcast conditions, particularly during autumn and winter months
• Snow accumulation on panels during winter, which can block sunlight entirely
• High humidity and fog, common in this temperate climate zone
• Potential for hail storms during spring and summer thunderstorms
• Dust and debris accumulation from nearby industrial activities in the region

Preventative Installation Measures

To maximize energy production despite these challenges, several installation strategies prove effective. Installing panels at the recommended 42-degree tilt angle naturally helps snow slide off more easily while also optimizing sun exposure. Using anti-reflective coatings on panel surfaces can improve light absorption during cloudy conditions. Regular maintenance schedules become crucial in this climate, including frequent cleaning to remove dust, debris, and organic matter that can accumulate on panel surfaces. Installing monitoring systems allows for quick identification of performance issues caused by weather-related obstructions. Choosing high-quality panels with strong hail resistance ratings protects against storm damage. Additionally, ensuring proper drainage around installations prevents water pooling that could lead to equipment damage or reduced efficiency. Strategic placement away from trees or structures that might cast shadows, particularly important during the low-sun winter months, helps maintain optimal performance year-round.

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 Stiring-Wendel

Seasonal solar PV output for Latitude: 49.204, Longitude: 6.9337 (Stiring-Wendel, 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 Stiring-Wendel, France

To maximize your solar PV system's energy output in Stiring-Wendel, France (Lat/Long 49.204, 6.9337) 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 Stiring-Wendel, 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 Stiring-Wendel, 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

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 Stiring-Wendel, 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 Stiring-Wendel, 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 Stiring-Wendel, France

Topographical Features Around Stiring-Wendel

Stiring-Wendel sits in the northeastern region of France, near the German border in the Moselle department of the Grand Est region. The area is characterized by gently rolling hills and valleys that are typical of the Lorraine plateau. The landscape features moderate elevation changes, with the terrain gradually rising and falling across the region rather than presenting steep mountainous obstacles.

The local topography is dominated by sedimentary formations that create a series of low ridges and broad valleys. These geological features result in a landscape that undulates gently, with slopes that are generally manageable for development purposes. The region benefits from relatively stable ground conditions due to its underlying limestone and sandstone bedrock.

Water features in the area include several small streams and tributaries that flow through the valleys, creating natural drainage patterns across the landscape. The Rosselle River flows nearby, contributing to the overall drainage system of the region. These waterways have carved gentle valleys over time, creating varied microtopography that influences local land use patterns.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for large-scale solar photovoltaic installations around Stiring-Wendel would be the elevated plateau areas and gentle south-facing slopes found throughout the region. These locations offer the dual advantages of good solar exposure and relatively flat terrain that minimizes installation costs and complexity.

Former industrial sites and brownfield areas present excellent opportunities for solar development. The region's history of mining and heavy industry has left behind numerous large, flat areas that are no longer actively used for their original purposes. These sites often have existing infrastructure access and cleared land that can be readily converted to solar farms without impacting agricultural or natural areas.

The broad valley floors, particularly those oriented in an east-west direction, provide substantial flat areas suitable for large installations. These locations typically have good access to existing road networks and electrical infrastructure, making them practical choices for utility-scale projects. The gentle nature of the local topography means that even areas with slight slopes can be effectively utilized with proper panel mounting systems.

Agricultural areas on the plateau regions offer additional potential, especially where the land has lower productivity or where agrivoltaic approaches could be implemented. The relatively open landscape in these areas minimizes shading concerns from nearby structures or vegetation, while the stable geology provides good foundations for solar mounting systems.

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.