Solar Energy Potential in Meylan, France

Meylan, France, located in the Northern Temperate Zone, offers reasonable but seasonally variable conditions for solar energy production. The location experiences significant fluctuations in solar energy generation throughout the year, with production peaking in summer and dropping considerably during winter months. The seasonal solar production data shows that for each kilowatt of installed solar capacity, Meylan generates 6.20kWh per day during summer, representing the peak production period. Spring follows closely with 5.31kWh daily production per installed kilowatt. Energy generation decreases substantially in autumn to 3.11kWh per day, while winter sees the lowest output at just 1.62kWh daily per kilowatt installed.

Seasonal Variations and Implications

This seasonal pattern creates a nearly 4:1 ratio between summer and winter production. The substantial drop during winter months means that solar installations in Meylan cannot be relied upon as the sole energy source year-round without significant energy storage solutions or supplementary power sources. For maximizing solar energy production in Meylan, the ideal fixed panel installation angle is 38 degrees facing South. This specific tilt optimizes the year-round solar capture by balancing seasonal variations in sun position and intensity.

Environmental and Weather Considerations

Several factors may affect solar production in this Alpine-adjacent location:

• Snow accumulation during winter months can temporarily reduce panel efficiency, requiring either manual clearing or steep enough panel angles to promote natural snow sliding
• Mountain shadows may impact certain installations, particularly in valley locations, reducing effective daylight hours
• Occasional fog and low cloud cover in the Isère valley region can diminish solar radiation reaching panels

To mitigate these challenges, solar installations in Meylan should incorporate snow-shedding designs, possibly with slightly steeper panel angles than the optimal 38 degrees if winter production is particularly important. Site surveys should account for potential mountain shadowing effects, and panel placement should prioritize locations with minimal obstruction from surrounding terrain. The most ideal time for solar generation in Meylan is from late spring through early autumn (May through September), when days are longer and solar intensity is highest. During these peak months, a properly installed system can generate substantial excess energy that could potentially be stored or fed back into the grid to offset the significant winter production decrease.

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 Meylan

Seasonal solar PV output for Latitude: 45.2163, Longitude: 5.7665 (Meylan, 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 38° South in Meylan, France

To maximize your solar PV system's energy output in Meylan, France (Lat/Long 45.2163, 5.7665) throughout the year, you should tilt your panels at an angle of 38° 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 Meylan, 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 Meylan, France. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 38° South tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
29° South in Summer	48° South in Autumn	59° South in Winter	38° 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 Meylan, 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 Meylan, 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 Meylan, France

Meylan, situated in the southeastern region of France, rests within a topographically diverse landscape dominated by the Isère Valley and surrounded by impressive mountain ranges. The town itself is positioned at an elevation of approximately 220 meters above sea level on the right bank of the Isère River. This location places Meylan on the lower slopes of the Chartreuse Mountains, with the terrain gradually rising from the valley floor toward the east.

Mountain Influences

The topography around Meylan is significantly shaped by three major mountain ranges. To the east rises the imposing Chartreuse Massif, with steep slopes and peaks reaching over 2,000 meters. This mountain range forms a dramatic backdrop to the town and influences local weather patterns. To the south and southeast, the distant Belledonne Range can be observed, featuring even higher summits that often remain snow-capped well into spring. The Vercors Massif completes this mountainous embrace from the southwest, creating a distinct geographical basin.

Valley Configuration

The Isère River has carved a broad valley floor where Meylan and neighboring communities like Grenoble have developed. This valley runs roughly northeast to southwest, creating a natural corridor through the region. The valley floor is relatively flat, composed of alluvial deposits from the river, and transitions into increasingly steep terrain as one moves away from the river toward any of the surrounding mountain ranges.

Solar PV Potential Areas

For large-scale solar photovoltaic installations, several nearby areas present favorable conditions based on topographical considerations: The valley floor areas between Meylan and neighboring communities offer extensive flat terrain that would minimize installation costs and complexity. These lowland areas, particularly agricultural zones to the northwest toward Saint-Ismier and Montbonnot-Saint-Martin, provide substantial contiguous space without significant shading concerns. The gently sloping southern faces of the lower Chartreuse foothills, particularly those with southern exposure between Meylan and Corenc, present excellent opportunities. These areas benefit from optimal sun angles while still maintaining reasonable accessibility for construction and maintenance. Several plateau areas at moderate elevations north of Meylan, where the terrain levels out before the steeper mountain ascents begin, could accommodate larger installations. These locations balance good solar exposure with practical development considerations.

Topographical Challenges

Despite these opportunities, the topography does present certain limitations for solar development. The surrounding mountains create potential shading issues, particularly during winter months when the sun angle is lower. The steep slopes of the Chartreuse directly east of Meylan are generally impractical for large-scale installations due to their gradient, access difficulties, and ecological sensitivity. Additionally, the valley orientation means that morning and evening sun exposure can be reduced compared to locations on open plains. However, this is partially offset by the reflective properties of the surrounding mountainsides, which can enhance diffuse radiation reaching solar panels during certain periods. The region's varied elevation profile creates microclimates that affect local fog and cloud formation patterns. Lower valley areas occasionally experience temperature inversions that can temporarily reduce solar exposure, while slightly elevated sites often remain above these low-lying cloud formations.

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.