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Flag of BelgiumSolar PV Analysis of Roeselare, Belgium

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

Roeselare, Flanders, Belgium, situated at latitude 50.9475 and longitude 3.1205, presents a mixed picture for solar energy generation throughout the year. Located in the Northern Temperate Zone, this region experiences significant seasonal variations in solar output.

Seasonal Solar Performance

Summer stands out as the most productive season for solar energy in Roeselare, Flanders, with an average daily output of 5.40 kWh per kW of installed solar capacity. Spring follows closely behind, generating 4.98 kWh per day. These seasons offer the best conditions for solar energy production, with longer daylight hours and generally clearer skies.

Autumn sees a considerable drop in solar output, producing an average of 2.55 kWh per day. Winter presents the greatest challenge, with daily production plummeting to just 1.19 kWh. This stark contrast highlights the limitations of solar energy in Roeselare during the colder months.

Optimal Panel Installation

To maximize year-round solar energy production in Roeselare, Flanders, fixed solar panels should be installed at a tilt angle of 43 degrees facing south. This angle is calculated to optimize the panels' exposure to sunlight throughout the year, taking into account the location's latitude and seasonal sun positions.

Environmental and Weather Factors

Several factors can impact solar energy production in Roeselare:

  1. Cloud cover: Belgium's climate is known for frequent cloud cover, which can significantly reduce solar panel efficiency.
  2. Rainfall: The region experiences considerable rainfall, which can further diminish solar output.
  3. Short winter days: Roeselare's northern latitude results in very short days during winter, limiting solar energy production.

Preventative Measures

To mitigate these challenges and enhance solar energy production, consider the following measures:

  • Use high-efficiency solar panels designed to perform well in low-light conditions.
  • Install a solar tracking system to maximize exposure to available sunlight.
  • Regularly clean panels to remove dirt and debris that may accumulate due to rainfall.
  • Consider supplementing with other renewable energy sources during winter months.

While Roeselare's location presents some challenges for year-round solar energy production, proper installation techniques and preventative measures can help maximize the potential of solar PV systems in this Belgian city.

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 201 locations across Belgium. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.

Link: Solar PV potential in Belgium by location

Solar output per kW of installed solar PV by season in Roeselare

Seasonal solar PV output for Latitude: 50.9475, Longitude: 3.1205 (Roeselare, Belgium), 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 5.40kWh/day in Summer.
Autumn
Average 2.55kWh/day in Autumn.
Winter
Average 1.19kWh/day in Winter.
Spring
Average 4.98kWh/day in Spring.

 

Ideally tilt fixed solar panels 43° South in Roeselare, Belgium

To maximize your solar PV system's energy output in Roeselare, Belgium (Lat/Long 50.9475, 3.1205) 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.

The sun
At Latitude: 50.9475, Longitude: 3.1205, the ideal angle to tilt panels is 43° South

Seasonally adjusted solar panel tilt angles for Roeselare, Belgium

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 Roeselare, Belgium. 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
35° South in Summer 54° South in Autumn 64° South in Winter 43° 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 Roeselare, Belgium as follows: In Summer, set the angle of your panels to 35° facing South. In Autumn, tilt panels to 54° facing South for maximum generation. During Winter, adjust your solar panels to a 64° angle towards the South for optimal energy production. Lastly, in Spring, position your panels at a 43° angle facing South to capture the most solar energy in Roeselare, Belgium.

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 Roeselare, Belgium

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 Roeselare, Belgium.

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 Roeselare, Belgium

The area around Roeselare, Belgium, is characterized by a predominantly flat landscape typical of the Flanders region. This part of Belgium is known for its low-lying terrain, with very gentle slopes and minimal elevation changes. The topography can be described as a broad, open plain with occasional small hills or slight undulations.

The land surrounding Roeselare is primarily agricultural, with vast stretches of farmland interspersed with small patches of woodland and scattered rural settlements. The region's elevation generally ranges from about 20 to 40 meters above sea level, with only minor variations across the landscape. This flat terrain is part of the larger North European Plain, which extends across several countries in northwestern Europe.

As for areas nearby that would be most suited to large-scale solar PV (photovoltaic) installations, several factors come into play:

1. Open farmland: The extensive agricultural areas surrounding Roeselare could potentially be suitable for solar farms. These locations offer large, unobstructed spaces that receive consistent sunlight throughout the day.

2. Former industrial sites: Any nearby brownfield sites or decommissioned industrial areas could be repurposed for solar installations, making efficient use of land that might otherwise go unused.

3. Areas away from residential zones: Locations that are somewhat removed from densely populated areas would be preferable to minimize visual impact and potential conflicts with local communities.

4. Proximity to existing infrastructure: Areas close to electrical substations or power lines would be advantageous for easier grid connection.

However, it's important to note that the relatively northern latitude of Roeselare (around 51 degrees north) means that solar irradiance is not as high as in more southern regions. This factor, combined with the often cloudy weather typical of Belgium, may impact the overall efficiency and economic viability of large-scale solar projects in the immediate vicinity.

Additionally, given the intensive agricultural use of land in this region and strict land-use regulations in Belgium, finding suitable large areas for solar farms might be challenging. Any potential solar PV projects would need to carefully balance energy production goals with agricultural preservation and local planning regulations.

Belgium solar PV Stats as a country

Belgium ranks 19th in the world for cumulative solar PV capacity, with 6,585 total MW's of solar PV installed. This means that 6.60% of Belgium's total energy as a country comes from solar PV (that's 10th in the world). Each year Belgium is generating 569 Watts from solar PV per capita (Belgium ranks 5th in the world for solar PV Watts generated per capita). [source]

Are there incentives for businesses to install solar in Belgium?

Yes, there are several incentives for businesses wanting to install solar energy in Belgium. The Belgian government offers a range of financial support measures for businesses that invest in renewable energy sources such as solar power. These include tax deductions, grants and subsidies, as well as access to low-interest loans. Additionally, the Flemish Energy Agency (VEA) provides free advice and guidance on how to make the most of these incentives.

Do you have more up to date information than this on incentives towards solar PV projects in Belgium? Please reach out to us and help us keep this information current. Thanks!

Citation Guide

Article Details for Citation

Article: Solar PV Analysis of Roeselare, Belgium
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Saturday 21st of September 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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