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Graph of hourly avg kWh electricity output per kW of Solar PV installed in Valbonne, France (by season)

The location at Valbonne, France is fairly good for generating energy through solar PV (photovoltaic) systems throughout the year. However, the amount of electricity produced varies greatly with each season.

In summer, you can expect to generate a lot of electricity - about 7.44 kilowatt-hours per day for each kilowatt of installed solar power. This makes summer an excellent time for solar energy generation in Valbonne.

In autumn and winter, production drops significantly due to shorter days and less sunlight; you'll only get approximately 3.56 kWh/day in autumn and even less in winter at about 2.27 kWh/day per kW of installed solar power.

Spring sees a decent increase from winter but still not as much as summer with around 5.78 kWh/day per kW.

To make the most out of your solar panels throughout the year, it's suggested that they be tilted at an angle of 37 degrees facing south if they're fixed installations. This will maximize their exposure to sunlight over different seasons and improve overall yearly production.

As far as local factors that may impede solar production are concerned: weather conditions such as cloudy or rainy days can reduce output since these conditions limit direct sunlight on panels; dust or dirt accumulation on panels could also affect performance by blocking light absorption so regular cleaning would be necessary; shading from nearby buildings or trees should also be considered when installing your system because this could block sunlight too.

To mitigate these issues: install your system where it has clear access to sun most hours of the day without shading obstructions; keep up regular maintenance like cleaning off any debris on panel surfaces; consider using tracking systems that adjust panel angle towards sun throughout day instead fixed ones if possible since this could further optimize light capture especially during less ideal seasons like autumn/winter though it comes with additional cost & complexity considerations which might not suit everyone's circumstances.

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 Valbonne

Seasonal solar PV output for Latitude: 43.6319, Longitude: 7.0043 (Valbonne, 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:

Summer
Average 7.44kWh/day in Summer.
Autumn
Average 3.56kWh/day in Autumn.
Winter
Average 2.27kWh/day in Winter.
Spring
Average 5.78kWh/day in Spring.

 

Ideally tilt fixed solar panels 37° South in Valbonne, France

To maximize your solar PV system's energy output in Valbonne, France (Lat/Long 43.6319, 7.0043) throughout the year, you should tilt your panels at an angle of 37° 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.

The sun
At Latitude: 43.6319, Longitude: 7.0043, the ideal angle to tilt panels is 37° South

Seasonally adjusted solar panel tilt angles for Valbonne, 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 Valbonne, France. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 37° South tilt angle throughout the year.

Overall Best Summer Angle Overall Best Autumn Angle Overall Best Winter Angle Overall Best Spring Angle
27° South in Summer 47° South in Autumn 58° South in Winter 36° South in Spring

Assuming you can modify the tilt angle of your solar PV panels throughout the year, you can optimize your solar generation in Valbonne, France as follows: In Summer, set the angle of your panels to 27° facing South. In Autumn, tilt panels to 47° facing South for maximum generation. During Winter, adjust your solar panels to a 58° angle towards the South for optimal energy production. Lastly, in Spring, position your panels at a 36° angle facing South to capture the most solar energy in Valbonne, France.

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 Valbonne, 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 Valbonne, 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.






Please enter information above to calculate panel spacing.

Topography for solar PV around Valbonne, France

Valbonne, France is located in the Provence-Alpes-Côte d'Azur region of southeastern France. The topography of this area is diverse, with a mix of coastal plains, rolling hills and mountainous regions. Valbonne itself is situated in a hilly area with lush vegetation.

The areas most suited to large-scale solar PV would be the flatter coastal plains or cleared hilltops that receive substantial sunlight throughout the year. It's also important to consider infrastructure for transmitting electricity from these remote locations to where it's needed.

However, specific site selection would need careful consideration regarding local environmental impacts and regulations. For instance, some parts of this region are protected natural reserves where installation might not be allowed.

In addition, while southern France receives ample sunlight making it ideal for solar power generation theoretically, microclimatic conditions such as cloud cover and fog frequency could affect efficiency. Therefore thorough site-specific feasibility studies are recommended before deciding on potential locations for large-scale solar PV installations.

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

Article: Solar PV Analysis of Valbonne, France
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Monday 8th of July 2024
Last Updated: Monday 21st of July 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.

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