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Graph of hourly avg kWh electricity output per kW of Solar PV installed in Schramberg, Germany (by season)

Solar Energy Production in Schramberg, Germany

Schramberg, located in Baden-Württemberg, Germany, offers moderate potential for solar PV energy generation throughout the year. This Black Forest town experiences significant seasonal variations in solar output, which is typical for locations in the Northern Temperate Zone. The solar energy production in Schramberg follows a clear seasonal pattern. During summer, panels can generate a respectable 5.56 kWh per day for each kilowatt of installed capacity. Spring is also quite productive with 4.48 kWh/day per kW. However, autumn sees a substantial drop to 2.77 kWh/day, and winter production falls dramatically to just 1.35 kWh/day per kW of installed capacity. For residents considering solar installation in Schramberg, it's important to note that fixed solar panels should be installed at a 41-degree tilt facing south to maximize year-round energy production. This specific angle optimizes the annual solar harvest by accounting for Schramberg's geographical position and the seasonal sun path.

Seasonal Considerations

The most productive periods for solar generation in Schramberg are clearly the summer months followed by spring. Together, these seasons account for the majority of the annual solar energy potential. Autumn provides moderate output, while winter production is quite limited. This seasonal pattern means that households relying heavily on solar power will need to consider alternative energy sources or storage solutions for the winter months when production drops to less than 25% of summer values.

Local Challenges and Solutions

Several environmental factors in Schramberg may affect solar production. The town's location in the Black Forest means it experiences higher-than-average rainfall and more cloudy days than many other German regions. Additionally, winter snowfall can temporarily cover panels, reducing output during already low-production periods. The region's hilly topography may create localized shading issues, particularly during winter when the sun is lower in the sky. Fog is also common in the Black Forest valleys during autumn and winter mornings. To mitigate these challenges, solar installations in Schramberg should consider:
  • Snow-shedding panel mounting systems that encourage snow to slide off
  • Regular maintenance schedules, especially before winter
  • Microinverters or power optimizers to minimize the impact of partial shading
  • Careful site assessment to avoid locations with significant tree or topographic shading
  • Slightly steeper panel angles than the optimal 41 degrees in areas prone to snow accumulation
Despite these challenges, Schramberg still receives sufficient solar radiation to make PV systems financially viable, especially considering Germany's favorable renewable energy policies. The key is proper system design that accounts for the local conditions and seasonal variations.

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 Schramberg

Seasonal solar PV output for Latitude: 48.2278, Longitude: 8.384 (Schramberg, 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:

Summer
Average 5.56kWh/day in Summer.
Autumn
Average 2.77kWh/day in Autumn.
Winter
Average 1.35kWh/day in Winter.
Spring
Average 4.48kWh/day in Spring.

 

Ideally tilt fixed solar panels 41° South in Schramberg, Germany

To maximize your solar PV system's energy output in Schramberg, Germany (Lat/Long 48.2278, 8.384) throughout the year, you should tilt your panels at an angle of 41° 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.

The sun
At Latitude: 48.2278, Longitude: 8.384, the ideal angle to tilt panels is 41° South

Seasonally adjusted solar panel tilt angles for Schramberg, 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 Schramberg, Germany. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 41° South tilt angle throughout the year.

Overall Best Summer Angle Overall Best Autumn Angle Overall Best Winter Angle Overall Best Spring Angle
32° South in Summer 51° South in Autumn 61° South in Winter 40° South in Spring

Assuming you can modify the tilt angle of your solar PV panels throughout the year, you can optimize your solar generation in Schramberg, Germany as follows: In Summer, set the angle of your panels to 32° facing South. In Autumn, tilt panels to 51° facing South for maximum generation. During Winter, adjust your solar panels to a 61° angle towards the South for optimal energy production. Lastly, in Spring, position your panels at a 40° angle facing South to capture the most solar energy in Schramberg, Germany.

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 Schramberg, 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 Schramberg, Germany.

Our calculation method

  1. Solar Position:
    We determine the Sun's position on the Winter solstice using the location's latitude and solar declination.
  2. Shadow Projection:
    We calculate the shadow length cast by panels using trigonometry, considering panel tilt and the Sun's elevation angle.
  3. 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.






Please enter information above to calculate panel spacing.

Topography for solar PV around Schramberg, Germany

Topography of Schramberg, Germany

Schramberg is nestled within the eastern part of the Black Forest (Schwarzwald) in southwestern Germany. The topography around Schramberg is characterized by steep, forested valleys and hills, with the town itself situated in the narrow Schiltach valley at approximately 400-450 meters above sea level. The surrounding hills rise to elevations of 700-900 meters, creating a dramatic landscape of dense woodland interspersed with open meadows. The terrain in this region was largely shaped during the last ice age, resulting in distinctive U-shaped valleys with steep sides. The Schiltach River winds through the main valley, with numerous smaller tributary streams cutting through the surrounding hillsides. This creates a landscape of multiple valleys and ridges that radiate outward from the town center. To the west and southwest of Schramberg, the elevation increases more dramatically as one moves deeper into the Black Forest, with some peaks reaching over 1,000 meters. In contrast, the landscape becomes somewhat gentler and more open toward the east and northeast, where the Black Forest transitions into the less rugged terrain of the Swabian Alb foothills.

Potential Areas for Solar PV Development

Given the topographical constraints around Schramberg, several areas present better opportunities for large-scale solar PV development: The eastern approaches to Schramberg, particularly in the direction of Rottweil, feature more open, gently rolling terrain that receives less shadowing from surrounding hills. These areas typically have clearer horizons and better exposure to sunlight throughout the day, making them potentially suitable for large-scale solar installations. South-facing slopes on the northern sides of the valleys around Schramberg could be advantageous locations. While the steep terrain presents installation challenges, these slopes receive more direct sunlight due to their orientation. The hills to the northeast of town, where the landscape begins to open up, combine favorable orientation with less extreme topography. Several plateaus and wider valley sections within 10-15 kilometers of Schramberg offer flat or gently sloping terrain that would be technically easier for large-scale installations. These areas, particularly those located on elevated plateaus, benefit from reduced shadowing effects from the surrounding forested hills. Agricultural areas between Schramberg and Dunningen to the east present opportunities where solar installations might be integrated with farming activities. These more open landscapes allow for better solar exposure while potentially permitting continued agricultural use beneath or between solar arrays. It's worth noting that the heavily forested nature of much of the surrounding Black Forest significantly limits suitable areas for large-scale solar development. The deep valleys can experience reduced direct sunlight, particularly during winter months when the sun angle is lower, creating extended periods of shadow. Additionally, the region's natural beauty and ecological significance mean that careful consideration of environmental impacts would be essential for any substantial solar development project.

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

Article: Solar PV Analysis of Schramberg, Germany
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Saturday 28th of June 2025
Last Updated: Monday 21st of July 2025

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