The location at Forchheim, Bavaria, Germany is somewhat suitable for generating energy using solar photovoltaic (PV) panels year-round. However, it's not ideal because the amount of electricity that can be generated varies greatly depending on the season.
In simple terms, a solar PV system in this area would produce more electricity in summer and spring than in autumn and winter. Specifically, you could expect to get about 5.62 kilowatt-hours (kWh) of electricity per day for each kilowatt (kW) of installed solar power during summer and around 4.45 kWh/day per kW during spring. In contrast, the same system would only generate about 2.58 kWh/day per kW in autumn and even less - only about 1.26 kWh/day per kW - in winter.
To maximize total year-round production from a fixed panel installation at this location, it's best to tilt the panels at an angle of 42 degrees facing south.
Several factors could potentially affect solar production at this location due to environmental or weather conditions:
1) Cloudy Weather: Forchheim experiences many cloudy days throughout the year which can reduce sunlight exposure on your panels thereby decreasing their output.
Preventative Measure: Use high-efficiency solar panels that perform well under low-light conditions.
2) Snowfall: During winter months there might be snowfall which can cover your panels blocking sunlight completely.
Preventative Measure: Install a snow guard or similar device to prevent accumulation on your panels; also consider installing them at an angle where snow would slide off easily.
3) Dust & Debris Accumulation: Over time dust and debris might accumulate on your panel surfaces reducing their efficiency.
Preventative Measure: Regular cleaning maintenance should help keep them operating efficiently
4) Shading Issues: Depending upon local topography/buildings/trees etc., there may be shading issues especially during winter months when the sun is low.
Preventative Measure: Proper site assessment before installation can help avoid or minimize shading issues.
In conclusion, while Forchheim may not be the most ideal location for solar energy production due to its variable seasonal output and potential environmental challenges, with careful planning and maintenance it's still possible to generate a decent amount of electricity from solar PV systems year-round.
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 Forchheim
Seasonal solar PV output for Latitude: 49.7173, Longitude: 11.0506 (Forchheim, 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 Forchheim, Germany
To maximize your solar PV system's energy output in Forchheim, Germany (Lat/Long 49.7173, 11.0506) 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 Forchheim, 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 Forchheim, 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 | 52° South in Autumn | 63° South in Winter | 42° 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 Forchheim, 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 Forchheim, 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 Forchheim, Germany
Forchheim, Germany is located in the northern part of Bavaria. The topography of Forchheim and its surrounding areas is characterized by a mix of flatlands, rolling hills, and low-lying mountain ranges. This region is part of the Franconian Switzerland which features limestone cliffs and plateaus.
In terms of solar PV potential, large-scale solar PV installations require areas with high levels of sunlight exposure (insolation) and relatively flat terrain for optimal operation. Given this criteria:
1. Flatlands: The flatter regions around Forchheim would be more suitable for large-scale solar installations as they provide easier installation logistics compared to hilly or mountainous terrains.
2. South-facing slopes: If considering hillier regions, south-facing slopes could also be an option since they receive more sunlight throughout the day in the Northern Hemisphere.
3. Unused land: Areas such as abandoned industrial sites or farmlands that are not currently being used for cultivation could also be viable options as these locations can accommodate larger arrays without disrupting existing land use.
4. Proximity to infrastructure: Sites closer to existing power grid infrastructure would be beneficial due to lower costs associated with connecting the solar farm to the grid.
However, it's important to note that actual suitability will depend on a detailed assessment including factors like local climate data (cloud cover), soil conditions (for installation), environmental impact assessments etc.
Finally, any project should comply with German renewable energy laws and regulations which encourage sustainable practices while minimizing impacts on wildlife and ecosystems.
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 15th of May 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.




