Seesen, a town in Lower Saxony, 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 overall efficiency of photovoltaic (PV) systems.
Seasonal Solar Performance
Solar energy production in Seesen peaks during the summer months, with an impressive average of 5.08 kWh per day for each kilowatt of installed capacity. Spring follows closely, generating 4.33 kWh/day. However, autumn sees a substantial drop to 2.26 kWh/day, while winter performance plummets to a mere 0.99 kWh/day.
These figures highlight that the most ideal times for solar energy generation in Seesen are from late spring through early autumn. During these months, longer daylight hours and higher sun angles contribute to increased solar panel efficiency.
Optimal Panel Installation
To maximize year-round solar production in Seesen, fixed solar panels should be tilted at a 44-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 Factors
Several factors can potentially impede solar production in Seesen:
- Cloud cover: The region experiences frequent overcast conditions, particularly in autumn and winter, which can significantly reduce solar output.
- Snow accumulation: Winter snowfall can temporarily cover panels, blocking sunlight and reducing efficiency.
- Short winter days: The location's northern latitude results in very short days during winter, limiting the available sunlight for energy production.
Preventative Measures
To mitigate these challenges and ensure greater energy production, consider the following measures when installing solar PV systems in Seesen:
- Use high-efficiency panels designed to perform well in low-light conditions
- Install panels at a steeper angle to promote snow sliding and self-cleaning
- Implement a regular cleaning and maintenance schedule, especially before and after winter
- Consider a dual-axis tracking system to maximize sun exposure throughout the year
While Seesen's location presents some challenges for year-round solar energy production, proper system design and maintenance can help optimize performance and make solar PV a viable renewable energy option for the area.
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 Seesen
Seasonal solar PV output for Latitude: 51.8926, Longitude: 10.1708 (Seesen, 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 Seesen, Germany
To maximize your solar PV system's energy output in Seesen, Germany (Lat/Long 51.8926, 10.1708) 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 Seesen, 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 Seesen, 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 |
|---|---|---|---|
| 35° South in Summer | 54° 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 Seesen, 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 Seesen, 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 Seesen, Germany
The area around Seesen, Germany, is characterized by a diverse and picturesque landscape typical of the northwestern German region. Seesen is situated on the northwestern edge of the Harz Mountains, a low mountain range that dominates the local topography.
The terrain in and immediately around Seesen is relatively flat to gently rolling, with elevations gradually increasing as you move southeast towards the Harz Mountains. The town itself sits in a shallow valley, with small hills and ridges surrounding it. To the west and north of Seesen, the landscape opens up into more expansive lowlands and plains.
The Harz Mountains, rising to the southeast, provide a dramatic backdrop to the area. These mountains, while not extremely high by global standards, are quite prominent in the local context. They feature forested slopes, rocky outcrops, and some steeper terrain as you move deeper into the range.
Numerous small streams and rivers cut through the landscape, creating shallow valleys and contributing to the area's gently undulating character. The region also includes scattered patches of forest, interspersed with agricultural fields and meadows.
Regarding areas suitable for large-scale solar PV installations, the most promising locations would likely be found to the west and north of Seesen. These areas, being further from the Harz Mountains, tend to have more open, flat terrain that is ideal for solar farms. The gently rolling plains in these directions offer large, unobstructed spaces that could accommodate extensive arrays of solar panels.
However, it's important to note that the specific suitability of any site would depend on various factors beyond just topography. These include local land use regulations, proximity to electrical infrastructure, and environmental considerations. The relatively northern latitude of the region also means that careful planning would be needed to maximize solar exposure throughout the year.
While the hilly areas closer to the Harz Mountains might seem less suitable due to their more varied terrain, some south-facing slopes could potentially be utilized for smaller-scale solar installations. These would need to be carefully planned to avoid issues with shading and to minimize environmental impact in what is likely a more ecologically sensitive area.
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 16th of October 2024
Last Updated: Monday 21st of July 2025
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Compare this location to others worldwide for solar PV potential
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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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