Gronau, North Rhine-Westphalia, Germany is a decent location for year-round solar energy production. However, it's not the most ideal due to its seasonal variations in sunlight and weather conditions.
In simpler terms, how much electricity you can produce from solar panels depends on how much sun they get. In Gronau, this changes with the seasons. During summer and spring, there's more sunlight so you can expect to generate more electricity - about 5.32 kilowatt-hours (kWh) per day in summer and 4.24 kWh/day in spring for each kilowatt of installed solar power.
On the other hand, during autumn and winter when days are shorter and there's less sunshine overall, your solar panels will produce less electricity - approximately 2.18 kWh/day in autumn and only around 1.05 kWh/day in winter.
As such, if you're planning to install solar panels at this location it would be best to do so at an angle of 44 degrees facing southwards which is optimal for capturing as much sunlight as possible throughout the year.
However there could be local factors that might affect how well your solar panels work here such as frequent overcast or cloudy weather which reduces amount of sunlight reaching your panels; tall buildings or trees nearby that cast shadows over your installation; dust or snow accumulation on panel surfaces reducing their efficiency etc.
To counter these potential issues:
- Regular cleaning can help keep panel surfaces clear of dust or snow.
- If possible try installing them where they won't be overshadowed by nearby structures.
- Also consider using advanced technology like tracking systems which allow your panels to follow sun’s path across sky maximizing their exposure.
So while Gronau may not offer perfect conditions for generating solar power all year round it still offers good potential especially during warmer months if challenges are properly managed.
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 919 locations across Germany. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.
Link: Solar PV potential in Germany by location
Solar output per kW of installed solar PV by season in Gronau
Seasonal solar PV output for Latitude: 52.2039, Longitude: 7.0371 (Gronau, Germany), 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 44° South in Gronau, Germany
To maximize your solar PV system's energy output in Gronau, Germany (Lat/Long 52.2039, 7.0371) throughout the year, you should tilt your panels at an angle of 44° 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 Gronau, Germany
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 Gronau, Germany. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 44° South tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 36° South in Summer | 55° South in Autumn | 65° South in Winter | 44° 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 Gronau, Germany
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 Gronau, Germany.
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 Gronau, Germany
Gronau, Germany is located in the western part of the country near the border with the Netherlands. The topography of this area is largely flat to gently rolling plains, which are characteristic of much of northern and central Europe. There are also several bodies of water nearby including rivers and small lakes.
This kind of topography could potentially be well-suited for large-scale solar PV installations due to its relatively flat surfaces, which would allow for easy installation and optimal sunlight exposure. However, other factors such as local climate (amounts of sun versus cloud cover), land use restrictions, and proximity to power grids would also need to be considered.
Areas that may be particularly suited might include agricultural lands that aren't being used or areas close to existing infrastructure like roads or power lines. Open fields without significant tree coverage would also be ideal as they provide unobstructed access to sunlight.
However, it's important to note that any large-scale energy project needs careful planning and assessment not only regarding geographical suitability but also taking into account ecological impact, economic feasibility, social acceptance among local communities among others.
Germany solar PV Stats as a country
Germany ranks 4th in the world for cumulative solar PV capacity, with 58,461 total MW's of solar PV installed. This means that 9.70% of Germany's total energy as a country comes from solar PV (that's 3rd in the world). Each year Germany is generating 702 Watts from solar PV per capita (Germany ranks 3rd in the world for solar PV Watts generated per capita). [source]
Are there incentives for businesses to install solar in Germany?
Yes, there are a few incentives for businesses wanting to install solar energy in Germany. These include feed-in tariffs, which guarantee businesses a price per kilowatt hour of electricity produced from their solar system; tax incentives such as the reduction of corporate income taxes; and subsidies from regional governments or utilities. Additionally, Germany's Renewable Energy Sources Act (EEG) provides additional support for projects that involve renewable energies.
Do you have more up to date information than this on incentives towards solar PV projects in Germany? 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: Monday 15th of April 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.
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.




