Solar PV Analysis of Bretzfeld, Germany
The location of Bretzfeld, Baden-Wurttemberg, Germany, situated in the Northern Temperate Zone, offers varying potential for solar energy generation throughout the year. This location experiences significant seasonal fluctuations in solar energy production, which is typical for regions at higher latitudes.
Seasonal Solar Energy Production
Summer stands out as the most productive season for solar energy in Bretzfeld, with an average daily output of 5.55 kWh per kW of installed solar capacity. Spring follows closely behind, generating 4.57 kWh per day. These seasons provide ideal conditions for solar energy production due to longer daylight hours and higher sun angles.
Autumn sees a considerable decrease in solar output, with 2.59 kWh per day. Winter presents the biggest challenge, producing only 1.24 kWh per day. This significant drop is due to shorter days, lower sun angles, and potentially more cloudy weather during the colder months.
Optimal Panel Installation
To maximize year-round solar energy production in Bretzfeld, fixed solar panels should be installed at a tilt angle of 42 degrees facing South. This angle optimizes the panels' exposure to sunlight throughout the year, balancing the seasonal variations in sun position.
Environmental and Weather Factors
While Bretzfeld doesn't face extreme environmental challenges for solar production, there are some factors to consider:
- Snow accumulation in winter can temporarily reduce panel efficiency
- Occasional fog or heavy cloud cover may impact production, especially in autumn and winter
To mitigate these issues, consider installing panels with a steeper tilt to encourage snow sliding off and use high-quality, anti-reflective coatings to maximize light absorption even in less-than-ideal conditions. Regular cleaning and maintenance can also help ensure optimal performance year-round.
In conclusion, while Bretzfeld experiences significant seasonal variations in solar energy production, proper panel installation and maintenance can still make solar PV a viable energy option for this location.
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 Bretzfeld
Seasonal solar PV output for Latitude: 49.1762, Longitude: 9.4364 (Bretzfeld, 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 42° South in Bretzfeld, Germany
To maximize your solar PV system's energy output in Bretzfeld, Germany (Lat/Long 49.1762, 9.4364) throughout the year, you should tilt your panels at an angle of 42° 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 Bretzfeld, 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 Bretzfeld, Germany. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 42° South tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 33° South in Summer | 51° South in Autumn | 62° South in Winter | 41° 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 Bretzfeld, 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 Bretzfeld, 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 Bretzfeld, Germany
The area around Bretzfeld, Germany, is characterized by a diverse and picturesque landscape typical of the southwestern German state of Baden-Württemberg. Bretzfeld is situated in the Hohenlohe region, which is known for its gently rolling hills, fertile valleys, and pockets of forested areas.
The topography of Bretzfeld and its surroundings features a mix of low-lying areas and modest elevations. The town itself is nestled in a valley, with the Brettach River flowing through it. As you move outward from the town center, the terrain gradually rises into a series of undulating hills and small plateaus. These hills are often covered with a combination of agricultural fields, vineyards, and patches of woodland.
To the south and southeast of Bretzfeld, the landscape becomes slightly more pronounced, with steeper hillsides and deeper valleys as it transitions towards the edge of the Swabian-Franconian Forest. In contrast, the areas to the north and northwest tend to be more open and less dramatically contoured, with broader valleys and gentler slopes.
When considering areas nearby that would be most suited for large-scale solar PV (photovoltaic) installations, several factors come into play. The ideal locations would be relatively flat or gently sloping areas with good exposure to sunlight throughout the day. With this in mind, the following areas near Bretzfeld could be potential candidates:
1. The open agricultural lands to the north and northwest of Bretzfeld would likely be well-suited for solar PV. These areas tend to have fewer obstructions and more consistent terrain, which is advantageous for large-scale installations.
2. Some of the broader hilltops and plateaus in the surrounding region could also be suitable, particularly those that are currently used for agriculture. These elevated areas often receive good sun exposure and have the added benefit of being less prone to morning fog or mist that can sometimes settle in the valleys.
3. Former industrial or commercial sites on the outskirts of nearby towns might also be considered. These areas are often already developed and may have the necessary infrastructure to support large-scale energy projects.
It's important to note that while these areas may be topographically suitable, any actual solar PV development would need to take into account additional factors such as local zoning laws, environmental considerations, grid connectivity, and community input. The region's commitment to preserving its natural beauty and agricultural heritage would also play a significant role in determining the feasibility and location of any large-scale solar projects.
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: Friday 23rd of August 2024
Last Updated: Monday 21st of July 2025
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.
