Oberthal, Saarland, Germany presents a moderately suitable location for solar photovoltaic energy generation, though with significant seasonal variations typical of its Northern Temperate Zone position.

Seasonal Solar Performance

The solar energy output at this location shows dramatic seasonal swings. Summer delivers the strongest performance at 5.28kWh per day for each kilowatt of installed solar capacity, making it the peak season for energy generation. Spring follows as the second-best season with 4.58kWh per day per kilowatt, offering nearly comparable output to summer months. Autumn sees a notable decline to 2.54kWh per day per kilowatt, while winter presents the most challenging conditions with just 1.19kWh per day per kilowatt. This winter figure represents less than a quarter of summer's output, highlighting the location's strong seasonal dependency.

Optimal Installation Configuration

For fixed panel installations at Oberthal, the ideal tilt angle is 42 degrees facing south to maximize total year-round solar production. This angle has been calculated by analyzing daily solar elevation angles throughout the year and weighting them according to photovoltaic potential using solar irradiance data.

Local Environmental Challenges

Several environmental and weather factors in the Saarland region can significantly impact solar energy production:

• Frequent cloud cover and overcast conditions, particularly during autumn and winter months
• High humidity levels that can create persistent fog, especially in valleys
• Snow accumulation during winter that can block panels
• Atmospheric pollution from nearby industrial areas that can reduce solar irradiance
• Seasonal storms that may damage installations or create debris coverage

Preventative Installation Measures

To maximize energy production despite these challenges, several installation strategies prove beneficial. Installing panels at the optimal 42-degree angle not only maximizes sun exposure but also helps snow slide off more easily during winter months. Regular maintenance schedules become crucial in this climate, particularly for cleaning panels of accumulated dust, pollen, and atmospheric pollutants that can significantly reduce efficiency. Automated cleaning systems or easy-access designs can make this maintenance more practical. Robust mounting systems designed to withstand regional storm conditions prevent damage and maintain optimal panel positioning. Additionally, selecting high-quality panels with anti-reflective coatings can help capture more diffuse light during cloudy conditions, which are common in this region. Strategic placement away from areas prone to fog accumulation, such as low-lying areas near water sources, can improve overall performance throughout the year.

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 Oberthal

Seasonal solar PV output for Latitude: 49.5152, Longitude: 7.0884 (Oberthal, 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 Oberthal, Germany

To maximize your solar PV system's energy output in Oberthal, Germany (Lat/Long 49.5152, 7.0884) 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 Oberthal, 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 Oberthal, 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	62° 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 Oberthal, 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 Oberthal, 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.

Topography for solar PV around Oberthal, Germany

Topographical Features of the Oberthal Region

The landscape around Oberthal in southwestern Germany is characterized by gently rolling hills and moderate elevation changes typical of the Saarland region. This area sits within the broader context of the Rhineland-Palatinate and Saarland border region, where the terrain consists primarily of undulating countryside with elevations ranging from approximately 200 to 400 meters above sea level. The topography is neither dramatically mountainous nor completely flat, creating a varied landscape of shallow valleys, modest ridges, and gradual slopes. The region benefits from a relatively open terrain with scattered woodlands and agricultural fields dominating the landscape. Small streams and tributaries flow through the area, creating subtle valley systems that add gentle contours to the overall topography. The soil composition includes sedimentary formations that have been shaped by centuries of weathering, resulting in stable ground conditions suitable for various land uses. Local elevation changes are generally gradual rather than steep, with most slopes falling within reasonable gradients that do not present significant challenges for development or infrastructure projects. The area experiences typical Central European continental climate influences, with the topography providing natural drainage patterns that prevent excessive water accumulation in most locations.

Optimal Areas for Large-Scale Solar Development

The most promising locations for extensive solar photovoltaic installations around Oberthal would be the south-facing slopes and elevated plateaus that offer unobstructed exposure to sunlight throughout the day. These areas typically feature gentle gradients that facilitate equipment installation and maintenance while providing optimal positioning for solar panel arrays. Agricultural fields on higher ground present excellent opportunities for solar development, particularly those areas that are currently used for less intensive farming or marginal agricultural purposes. The relatively stable soil conditions and existing access infrastructure in these locations make them attractive for large-scale installations. Areas with minimal tree coverage and limited shadowing from surrounding topographical features would be prioritized for development consideration. The elevated plateaus and ridge areas southeast and southwest of Oberthal offer particularly favorable conditions due to their exposure characteristics and relatively flat terrain suitable for mounting systems. These locations typically feature good drainage, stable foundations, and reasonable access for construction and ongoing maintenance activities. Former industrial sites or areas with existing infrastructure connections would also merit consideration, as they often provide the necessary electrical grid access and have already undergone environmental assessments. The gentle topography of the region means that most suitable sites would not require extensive grading or terrain modification, reducing development costs and environmental impact. Areas near existing power transmission infrastructure would be especially valuable for large-scale solar development, as they offer the potential for efficient grid connection without requiring extensive new transmission line construction across the varied but manageable terrain of the Oberthal region.

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

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.