Solar PV Analysis of Altenburg, Germany
Altenburg, a city in Thuringia, Germany, presents a mixed picture for solar energy generation throughout the year. Located in the Northern Temperate Zone, this area experiences significant seasonal variations in solar output, which impacts the effectiveness of photovoltaic (PV) systems.
Seasonal Solar Performance
Summer stands out as the most productive season for solar energy in Altenburg, with an average daily output of 5.22 kWh per kW of installed solar capacity. Spring follows as the second-best season, generating 4.14 kWh/day. However, the performance drops considerably during autumn, with only 2.35 kWh/day, and reaches its lowest point in winter, producing a mere 1.10 kWh/day.
These figures highlight the stark contrast between the peak and off-peak seasons. The long, sunny days of summer provide ideal conditions for solar energy production, while the short, often overcast days of winter significantly limit the potential output.
Optimal Panel Installation
To maximize year-round solar energy production in Altenburg, fixed solar panels should be installed at a tilt angle of 43 degrees facing south. This angle is calculated to capture the most sunlight throughout the year, considering the city's latitude and the Earth's elliptical orbit.
Environmental and Weather Factors
Several factors can impact solar energy production in Altenburg:
- Cloud cover: The region experiences frequent cloudy days, especially in autumn and winter, which can significantly reduce solar output.
- Snow: Winter snowfall can temporarily cover solar panels, reducing their efficiency until the snow melts or is removed.
To mitigate these issues, consider installing panels with anti-soiling coatings to reduce snow accumulation and ensure easy cleaning. Additionally, using microinverters or power optimizers can help maintain some energy production even when parts of the array are shaded or covered.
Conclusion
While Altenburg's location is not ideal for year-round solar energy production, it still offers significant potential, especially during spring and summer. By optimizing panel placement and addressing environmental challenges, residents can make the most of the available solar resources, contributing to a more sustainable energy mix in the region.
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 Altenburg
Seasonal solar PV output for Latitude: 50.9807, Longitude: 12.4355 (Altenburg, 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 43° South in Altenburg, Germany
To maximize your solar PV system's energy output in Altenburg, Germany (Lat/Long 50.9807, 12.4355) 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 Altenburg, 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 Altenburg, Germany. 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 |
|---|---|---|---|
| 34° 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 Altenburg, 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 Altenburg, 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 Altenburg, Germany
The topography around Altenburg, Germany is characterized by gently rolling hills and low-lying plains. This region, located in eastern Germany, is part of the North German Plain, which extends across much of northern Europe. The landscape is generally mild in terms of elevation changes, with occasional small valleys and modest hills dotting the countryside.
Altenburg itself sits at an elevation of approximately 200 meters (656 feet) above sea level. The surrounding area features a mix of agricultural land, forests, and small settlements. The terrain is relatively flat to the north and east of the city, while slightly more undulating terrain can be found to the south and west.
Several small rivers and streams flow through the region, including the Pleisse River, which passes near Altenburg. These waterways have shaped the local topography over time, creating shallow valleys and contributing to the overall gentle nature of the landscape.
Areas Suitable for Large-Scale Solar PV
When considering areas nearby that would be most suited to large-scale solar photovoltaic (PV) installations, several factors come into play:
1. The flat or gently sloping agricultural lands to the north and east of Altenburg would likely be the most suitable for large-scale solar PV projects. These areas offer expansive, open spaces with minimal shading from natural features or buildings. The relatively level terrain would simplify construction and maximize sun exposure throughout the day.
2. Former mining sites or brownfield areas in the region could also be potential candidates for solar installations. The Altenburg area has a history of lignite mining, and some of these reclaimed lands might be well-suited for solar farms, as they often provide large, unobstructed spaces.
3. While the forested areas surrounding Altenburg are less ideal for solar PV due to shading concerns, any large clearings or the edges of forests facing south could be considered for smaller installations.
4. It's important to note that the suitability of any specific site would require detailed assessment, including factors such as local zoning laws, grid connection possibilities, and environmental considerations. Additionally, while the topography around Altenburg is generally favorable for solar PV, Germany's northern latitude means that overall solar irradiance is lower compared to more southern regions, which could impact the efficiency and economic viability of large-scale 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: Wednesday 28th 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.
