Zoersel, Flanders, Belgium, situated at 51.2688°N, 4.7235°E, presents a mixed landscape for solar energy generation throughout the year. Located in the Northern Temperate Zone, this region experiences distinct seasonal variations that significantly impact solar PV output.
Seasonal Solar Performance
Summer stands out as the most productive season, with an impressive 5.29 kWh per day for each kW of installed solar capacity. Spring follows closely, generating 4.50 kWh/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 output, producing 2.26 kWh/day. Winter presents the greatest challenge, with a mere 1.12 kWh/day, due to shorter days, lower sun angles, and typically overcast conditions.
Optimizing Solar Installation
To maximize year-round solar production in Zoersel, Flanders, fixed solar panels should be tilted at a 43-degree angle facing south. This optimal angle takes into account the location's latitude and seasonal sun paths, ensuring the best possible energy capture throughout the year.
Environmental and Weather Considerations
Several factors can impede solar production in Zoersel:
- Frequent cloud cover, especially in autumn and winter
- Potential for snow accumulation in winter
- Possibility of dust or pollen buildup on panels
To mitigate these issues, consider installing self-cleaning panels or implementing a regular cleaning schedule. Snow sensors and heating elements can help prevent snow accumulation. Additionally, using high-efficiency panels can improve performance during low-light conditions.
Conclusion
While Zoersel's location is not ideal for year-round solar production, it still offers significant potential, particularly from spring through autumn. With proper panel placement and maintenance strategies, solar PV systems can provide a valuable contribution to the local energy mix, despite the challenges posed by the region's climate.
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 Zoersel
Seasonal solar PV output for Latitude: 51.2688, Longitude: 4.7235 (Zoersel, 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:
 
Ideally tilt fixed solar panels 43° South in Zoersel, Belgium
To maximize your solar PV system's energy output in Zoersel, Belgium (Lat/Long 51.2688, 4.7235) 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 Zoersel, 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 Zoersel, 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 |
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 Zoersel, 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 Zoersel, Belgium.
Our calculation method
- Solar Position:
We determine the Sun's position on the Winter solstice using the location's latitude and solar declination. - Shadow Projection:
We calculate the shadow length cast by panels using trigonometry, considering panel tilt and the Sun's elevation angle. - 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 Zoersel, Belgium
The topography around Zoersel, Belgium, is characterized by a predominantly flat landscape typical of the Flemish region. Located in the province of Antwerp, Zoersel sits in an area known for its gentle rolling plains and low-lying terrain. The elevation in this region is generally low, with most of the land sitting between 10 to 30 meters above sea level. The surrounding area consists of a mix of agricultural fields, scattered woodlands, and small urban settlements. The landscape is dotted with numerous small streams and drainage ditches, which are part of the broader network of waterways in the region. These features contribute to the area's subtle variations in elevation, creating slight undulations in an otherwise flat terrain. To the north and east of Zoersel, the land remains largely flat, with open fields and meadows dominating the landscape. To the south and west, there are some slightly more pronounced variations in elevation, but these are still relatively minor compared to more mountainous regions.
Suitability for Large-Scale Solar PV
When considering areas nearby that would be most suited to large-scale solar PV installations, several factors come into play. The flat terrain around Zoersel generally provides favorable conditions for solar energy production, as it minimizes shading issues and simplifies installation processes. The agricultural lands to the north and east of Zoersel present the most promising opportunities for large-scale solar PV development. These areas offer expansive, unobstructed spaces that receive ample sunlight throughout the day. The lack of significant topographical features means that solar panels can be arranged optimally without the need for extensive land modification. However, it's important to note that the use of agricultural land for solar installations may face regulatory and social challenges. Therefore, areas of less productive farmland or brownfield sites (such as former industrial areas) in the vicinity might be particularly suitable for solar PV projects. The slightly more varied terrain to the south and west of Zoersel could also accommodate solar installations, though careful site selection would be necessary to maximize exposure to sunlight and minimize any potential shading from small hills or wooded areas. While the region's climate, characterized by moderate temperatures and occasional cloud cover, may not be ideal compared to sunnier locations, advancements in solar technology have made it increasingly viable to generate significant amounts of solar energy in such conditions. The long summer days in this northern latitude partly compensate for the reduced sunlight during winter months. In conclusion, while the entire area around Zoersel offers potential for solar PV development due to its generally flat topography, the most suitable locations would likely be found in the open agricultural lands to the north and east, as well as on any available brownfield sites in the broader region.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
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Friday 10th of January 2025
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.
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.




