Weil am Rhein, located in Baden-Württemberg, Germany, offers a moderate potential for solar energy generation throughout the year. Situated in the Northern Temperate Zone, this location experiences distinct seasonal variations in solar output.

Seasonal Solar Performance

The solar energy production in Weil am Rhein fluctuates significantly across seasons. Summer proves to be the most productive period, with an average daily output of 5.74 kWh per kW of installed solar capacity. Spring follows closely, generating 4.89 kWh/day. Autumn sees a considerable drop to 3.02 kWh/day, while winter experiences the lowest output at 1.45 kWh/day.

Optimal Installation

For fixed panel installations in Weil am Rhein, the ideal tilt angle to maximize year-round solar production is 41 degrees facing South. This angle optimizes the panels' exposure to sunlight throughout the year, accounting for the location's latitude and seasonal sun positions.

Peak Generation Periods

The most favorable times for solar energy generation in Weil am Rhein are from late spring through early fall. During these months, longer daylight hours and higher sun angles contribute to increased solar output. The period from May to September is particularly productive, with July typically being the peak month for solar generation.

Environmental and Weather Factors

While Weil am Rhein's climate is generally conducive to solar energy production, there are some factors that could impact efficiency:

• Fog and low-lying clouds, especially in autumn and winter, can reduce solar irradiance.
• Occasional hailstorms in summer may pose a risk to solar panel integrity.

To mitigate these challenges, installers can implement protective measures such as using hail-resistant panels and ensuring proper drainage systems to prevent water accumulation. Regular cleaning and maintenance can also help optimize performance, particularly during seasons with lower natural output.

Despite these considerations, Weil am Rhein remains a viable location for solar PV installations, with the potential for significant energy generation, especially during the warmer months of 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 Weil Am Rhein

Seasonal solar PV output for Latitude: 47.5873, Longitude: 7.6149 (Weil Am Rhein, 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 41° South in Weil Am Rhein, Germany

To maximize your solar PV system's energy output in Weil Am Rhein, Germany (Lat/Long 47.5873, 7.6149) 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.

Seasonally adjusted solar panel tilt angles for Weil Am Rhein, 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 Weil Am Rhein, 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
31° South in Summer	51° South in Autumn	61° South in Winter	40° 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 Weil Am Rhein, 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 Weil Am Rhein, 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 Weil Am Rhein, Germany

Weil am Rhein, located in southwestern Germany near the borders of France and Switzerland, sits in a diverse topographical region characterized by both flat areas and rolling hills. The city itself is situated in the Upper Rhine Plain, a broad, flat valley that stretches along the Rhine River. This plain provides a relatively level landscape within the immediate vicinity of Weil am Rhein. To the east and southeast of the city, the terrain gradually rises into the foothills of the Black Forest. These hills become progressively steeper and more forested as one moves further east. The Black Forest, known for its dense woodlands and picturesque valleys, forms a significant topographical feature in the broader region. To the south and southwest, across the nearby Swiss border, the landscape becomes more varied. The Jura Mountains begin to rise, creating a hilly to mountainous terrain that contrasts with the flatter areas along the Rhine.

Potential Areas for Large-Scale Solar PV

When considering areas suitable for large-scale solar photovoltaic (PV) installations near Weil am Rhein, the flat expanses of the Upper Rhine Plain offer the most promise. These areas provide several advantages for solar energy production: Firstly, the level terrain of the plain reduces the need for extensive land preparation, making it easier and more cost-effective to install large arrays of solar panels. The lack of significant slopes or undulations also minimizes shading issues between rows of panels, allowing for optimal solar exposure throughout the day. Secondly, the open nature of the plain typically means fewer obstructions that could cast shadows on the panels. This unobstructed access to sunlight is crucial for maximizing the efficiency of solar PV systems. Additionally, the agricultural land in the Upper Rhine Plain, particularly areas that may be less productive for farming, could be repurposed for solar energy production. This dual-use approach can provide economic benefits to landowners while contributing to renewable energy goals. It's worth noting that while the hilly areas to the east might seem appealing due to their elevated position, the increased cloud cover and potential shading from the terrain make them less ideal for large-scale solar installations compared to the open plains. Any large-scale solar project would, of course, need to balance energy production goals with environmental considerations, local regulations, and community needs. Careful site selection within the broader Upper Rhine Plain area would be essential to ensure the most suitable locations are chosen for solar PV development near Weil am Rhein.

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!

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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.