Ehrendingen, Aargau, Switzerland, situated at coordinates 47.5105°N, 8.3489°E, offers a moderate potential for solar energy generation throughout the year. This location in the Northern Temperate Zone experiences significant seasonal variations in solar output, which impacts the overall efficiency of photovoltaic (PV) systems.

Seasonal Solar Performance

The solar energy production in Ehrendingen varies considerably across the four meteorological seasons. Summer stands out as the most productive period, with an average daily output of 5.71 kWh per kW of installed solar capacity. Spring follows closely, generating 4.85 kWh/day. Autumn sees a notable decrease to 2.99 kWh/day, while winter experiences the lowest output at 1.52 kWh/day.

These figures indicate that the location is most ideal for solar energy generation from late spring through early autumn. During these months, longer daylight hours and higher sun angles contribute to increased solar panel efficiency.

Optimal Panel Installation

For fixed panel installations in Ehrendingen, Aargau, the ideal tilt angle to maximize year-round solar production is 41 degrees facing south. This angle is calculated based on the location's latitude and accounts for the Earth's elliptical orbit and seasonal variations in solar elevation.

Environmental Considerations

While Ehrendingen's location is generally favorable for solar energy production, there are some environmental factors that could potentially impact system performance:

1. Snow accumulation in winter months can temporarily reduce panel efficiency.
2. Fog and low-lying clouds, common in the region, may occasionally diminish solar irradiance.

To mitigate these issues, installing panels at the recommended 41-degree angle helps with snow shedding. Additionally, regular maintenance and cleaning, especially after snowfall, can help maintain optimal performance. Using high-quality, anti-reflective coatings on panels can also improve performance in diffuse light conditions caused by fog or clouds.

In conclusion, while Ehrendingen experiences significant seasonal variations in solar output, proper system design and maintenance can help maximize energy production 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 245 locations across Switzerland. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.

Link: Solar PV potential in Switzerland by location

Solar output per kW of installed solar PV by season in Ehrendingen

Seasonal solar PV output for Latitude: 47.5105, Longitude: 8.3489 (Ehrendingen, Switzerland), 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:

Average 5.71kWh/day in Summer.

Average 2.99kWh/day in Autumn.

Average 1.52kWh/day in Winter.

Average 4.85kWh/day in Spring.

Ideally tilt fixed solar panels 41° South in Ehrendingen, Switzerland

To maximize your solar PV system's energy output in Ehrendingen, Switzerland (Lat/Long 47.5105, 8.3489) 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.

At Latitude: 47.5105, Longitude: 8.3489, the ideal angle to tilt panels is 41° South

Seasonally adjusted solar panel tilt angles for Ehrendingen, Switzerland

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 Ehrendingen, Switzerland. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 41° South tilt angle throughout the year.

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 Ehrendingen, Switzerland

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 Ehrendingen, Switzerland.

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 Ehrendingen, Switzerland

The topography around Ehrendingen, Switzerland, is characterized by a mix of gently rolling hills and valleys typical of the Swiss Plateau region. The area is situated in the northern part of Switzerland, not far from the German border. Ehrendingen itself lies in a small valley, surrounded by low hills and agricultural lands.

To the south and east of Ehrendingen, the terrain gradually rises towards the foothills of the Jura Mountains. These hills are generally covered with a mix of forests and pastures. To the north and west, the landscape is more open, with broader valleys and gentler slopes. The nearby Limmat River valley provides some flatter areas in the vicinity.

For large-scale solar PV installations, the most suitable areas nearby would likely be found in the more open, flatter regions to the north and west of Ehrendingen. These areas offer several advantages for solar energy production:

1. They have less shadowing from hills and mountains, allowing for more consistent sun exposure throughout the day.
2. The gentler slopes make construction and maintenance of solar arrays easier and more cost-effective.
3. There are larger contiguous areas of land available, which is crucial for utility-scale solar farms.

Specifically, the areas around the towns of Baden and Brugg, which are located to the northwest of Ehrendingen, might offer good potential for large-scale solar PV. These regions have more expansive, open landscapes with some industrial and commercial zones that could potentially accommodate solar installations.

However, it's important to note that Switzerland places a high value on its natural landscapes and agricultural land. Any large-scale solar project would need to carefully balance energy production goals with environmental and land-use considerations. Rooftop solar installations on existing buildings in more developed areas might be a more readily acceptable alternative in this region.

Switzerland solar PV Stats as a country

Switzerland ranks 25th in the world for cumulative solar PV capacity, with 3,449 total MW's of solar PV installed. This means that 4.70% of Switzerland's total energy as a country comes from solar PV (that's 16th in the world). Each year Switzerland is generating 399 Watts from solar PV per capita (Switzerland ranks 6th in the world for solar PV Watts generated per capita). [source]

Are there incentives for businesses to install solar in Switzerland?

Yes, there are several incentives for businesses wanting to install solar energy in Switzerland. The Swiss Federal Office of Energy (SFOE) offers a range of financial support measures for businesses that want to invest in renewable energy sources such as solar power. These include grants, loans and tax deductions. Additionally, the Swiss government has set up a feed-in tariff system which guarantees a fixed price for electricity generated from renewable sources such as solar power. This helps to make investing in solar energy more attractive for businesses.

Do you have more up to date information than this on incentives towards solar PV projects in Switzerland? 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.

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