Flag of United States

Flag of GermanySolar PV Analysis of Zeiskam, Germany

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

Solar Energy Potential in Zeiskam, Germany

Zeiskam, located in Rheinland-Pfalz, Germany, presents a moderately favorable location for solar PV energy generation, with significant seasonal variations in output. This Northern Temperate Zone location experiences substantial differences between summer and winter production levels. The solar energy production follows a predictable seasonal pattern. Summer months are the most productive period, yielding an average of 5.50 kWh per day for each kilowatt of installed capacity. Spring follows as the second most productive season with 4.51 kWh/day per kW installed. Energy generation drops considerably in autumn to 2.53 kWh/day, while winter represents the least productive period with only 1.19 kWh/day per kW installed.

Optimal Panel Installation

For fixed panel installations in Zeiskam, the ideal tilt angle to maximize year-round solar energy production is 41 degrees facing South. This specific angle has been calculated based on the location's latitude and the weighted solar potential throughout the year, optimizing for the varying solar elevation across seasons.

Seasonal Considerations

The nearly 5-fold difference between summer and winter production indicates that Zeiskam experiences significant seasonal variability. This makes the location excellent for summer energy production but relatively poor during winter months. Spring and autumn serve as transitional periods, with spring being considerably more productive than autumn.

Environmental and Weather Factors

Several factors may affect solar production in Zeiskam:
  • Winter cloud cover and fog in the Rhine Valley region can further reduce the already limited winter production
  • Occasional hail storms in summer months pose a risk to panel integrity
  • Agricultural dust during dry periods may accumulate on panels
  • Snow accumulation in winter can temporarily halt production
To mitigate these challenges, solar installations in Zeiskam should incorporate durable, hail-resistant panels, automated or scheduled cleaning systems to address dust and snow accumulation, and potentially snow-shedding panel designs. The substantial seasonal variation might also make hybrid energy systems or battery storage solutions particularly valuable to balance the excellent summer production against the limited winter output. Overall, Zeiskam represents a good but not exceptional location for solar PV installation, with strong summer performance offsetting winter limitations.

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 Zeiskam

Seasonal solar PV output for Latitude: 49.2361, Longitude: 8.2477 (Zeiskam, 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 5.50kWh/day in Summer.
Autumn
Average 2.53kWh/day in Autumn.
Winter
Average 1.19kWh/day in Winter.
Spring
Average 4.51kWh/day in Spring.

 

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

To maximize your solar PV system's energy output in Zeiskam, Germany (Lat/Long 49.2361, 8.2477) 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: 49.2361, Longitude: 8.2477, the ideal angle to tilt panels is 41° South

Seasonally adjusted solar panel tilt angles for Zeiskam, 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 Zeiskam, 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
33° South in Summer 51° South in Autumn 62° South in Winter 41° 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 Zeiskam, Germany as follows: In Summer, set the angle of your panels to 33° facing South. In Autumn, tilt panels to 51° facing South for maximum generation. During Winter, adjust your solar panels to a 62° angle towards the South for optimal energy production. Lastly, in Spring, position your panels at a 41° angle facing South to capture the most solar energy in Zeiskam, 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 Zeiskam, 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 Zeiskam, 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 Zeiskam, Germany

The landscape around Zeiskam, Germany presents a relatively flat topography characteristic of the Upper Rhine Plain (Oberrheinische Tiefebene). Located in the southwestern part of Germany in the state of Rhineland-Palatinate, Zeiskam sits in a broad, fertile lowland area that formed as part of the Rhine Graben - a major geological rift valley. The elevation in and around Zeiskam averages approximately 115-120 meters above sea level, with minimal variation across the immediate vicinity. This flat terrain extends for several kilometers in all directions, creating an open landscape primarily dedicated to agricultural use. The soil in this region is notably fertile, resulting from alluvial deposits from the Rhine River over geological timescales.

Surrounding Landscape Features

To the west of Zeiskam, the terrain gradually rises toward the Palatinate Forest (Pfälzerwald), a low mountain range with elevations reaching up to 600 meters. This transition creates a gentle incline rather than an abrupt change in elevation. The eastern direction maintains the characteristic flatness of the Rhine Plain until reaching the Rhine River itself, approximately 10 kilometers from Zeiskam. Small streams and drainage canals crisscross the landscape, with the Queich River flowing nearby. These waterways have historically shaped the local topography through minor erosion and sediment deposition, though their impact on the overall flatness of the region is minimal.

Solar PV Suitability

The areas most suited to largescale solar PV development near Zeiskam would be the expansive agricultural fields that dominate the landscape, particularly in the flat eastern and southern directions. These areas offer several advantages for solar installations: The flat terrain minimizes installation complexities and costs associated with ground preparation. Construction on level ground reduces the need for extensive earthworks and simplifies the mounting of solar panels at optimal angles. Open agricultural fields provide unobstructed exposure to sunlight throughout the day, with minimal shadowing from natural features or buildings. The absence of significant hills, mountains, or forests in the immediate vicinity of these flat areas ensures maximum solar radiation capture. The land to the northeast and east of Zeiskam, extending toward the communities of Lustadt and Westheim, presents particularly favorable conditions for solar development due to the combination of flat topography and relatively lower population density compared to other directions.

Topographical Considerations

While the flat terrain is generally advantageous, developers should note that the Rhine Plain can experience seasonal fog and mist, particularly in autumn and winter months. This meteorological characteristic is related to the topography of the broader region, where cool air can settle in the valley floor. The agricultural value of the land presents the main competing consideration for solar development in this area. The fertile soils of the Rhine Plain support productive farming, creating a potential land-use conflict that would need to be addressed in any large-scale solar planning. Areas closer to the western edges of the region, where the land begins to rise toward the Palatinate Forest, might offer slightly elevated positions with marginally better exposure, though these benefits would need to be weighed against the increased installation complexity on non-flat terrain.

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 Zeiskam, Germany
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Monday 28th of April 2025
Last Updated: Sunday 14th of September 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?

"Genauso wie die Sonne unsere Solarzellen mit Energie versorgt, so ist der Kaffee unser Lebenselixier, das unsere Forschung und Entwicklung weiter antreibt. Da könnte man sagen: Ohne Moos nix los, ohne Kaffee kein Geschäft!" 😊
Buy me a coffee - Thanks for your support!

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.

Worldwide Solar PV Analysis of 20,000 Locations

Helping you assess viability of solar PV for your site

profileSOLAR on YouTube

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.

Calculate Your Optimal Solar Panel Tilt Angle