Amriswil, Thurgau, Switzerland, situated at 47.5465°N, 9.2901°E, presents a moderate potential for solar energy generation throughout the year. Located in the Northern Temperate Zone, this area experiences distinct seasonal variations in solar output, which significantly impact the efficiency of photovoltaic (PV) systems.

Seasonal Solar Performance

The solar energy production in Amriswil follows a predictable pattern aligned with the changing seasons. Summer stands out as the most productive period, with an average daily output of 5.66 kWh per kW of installed solar capacity. Spring follows closely, generating 4.79 kWh/day. Autumn sees a noticeable decrease to 2.92 kWh/day, while winter experiences the lowest output at 1.46 kWh/day.

This seasonal variation indicates that solar energy systems in Amriswil are most effective from late spring through early autumn. During these months, longer daylight hours and higher sun angles contribute to increased energy production. However, the substantial drop in winter output suggests that alternative or supplementary energy sources may be necessary during the colder months.

Optimal Panel Installation

To maximize year-round solar energy production in Amriswil, Thurgau, fixed solar panels should be installed at a tilt angle of 41 degrees facing south. This angle optimizes the panels' exposure to sunlight throughout the year, balancing the varying sun positions across seasons.

Environmental Considerations

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

• Cloud cover: The region can experience significant cloud cover, particularly in winter, which may reduce solar efficiency.
• Snow accumulation: Winter snowfall can temporarily cover panels, obstructing sunlight.

To mitigate these issues, consider installing panels at a steeper angle to promote snow sliding off and using high-efficiency panels that perform better in low-light conditions. Regular maintenance, including snow removal, can also help maintain optimal performance.

In conclusion, while Amriswil's solar potential varies significantly throughout the year, proper system design and installation can still make solar PV a viable energy option for this Swiss location.

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 Amriswil

Seasonal solar PV output for Latitude: 47.5465, Longitude: 9.2901 (Amriswil, 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:

 

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

To maximize your solar PV system's energy output in Amriswil, Switzerland (Lat/Long 47.5465, 9.2901) 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 Amriswil, 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 Amriswil, Switzerland. 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	50° 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 Amriswil, 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 Amriswil, 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 Amriswil, Switzerland

Amriswil, located in northeastern Switzerland, sits in a region characterized by gently rolling hills and expansive plateaus. The town itself is situated on a relatively flat area, with an elevation of approximately 440 meters above sea level. As you move away from the town center, the landscape gradually becomes more undulating, with subtle changes in elevation creating a patchwork of fields, meadows, and small wooded areas. To the south and southeast of Amriswil, the terrain becomes slightly more pronounced, with hills rising to heights of around 600 meters. These hills are often dotted with orchards and vineyards, taking advantage of the favorable southern exposure. The northern and western areas surrounding Amriswil are generally flatter, with occasional gentle slopes and wide-open spaces.

Potential for Solar PV Installation

When considering areas near Amriswil for large-scale solar PV installations, several factors come into play. The most suitable locations would be those that offer a combination of favorable topography, minimal shading, and good solar exposure. The relatively flat areas to the north and west of Amriswil present promising opportunities for solar PV development. These open spaces provide ample room for large arrays of solar panels without the need for extensive land modification. The lack of significant hills or mountains in these directions also means reduced shading concerns, allowing for maximum sunlight exposure throughout the day. Some of the gently sloping hillsides to the south and southeast of Amriswil could also be suitable for solar PV installations. South-facing slopes, in particular, can be ideal as they naturally orient towards the sun's path, potentially increasing the efficiency of solar panels. However, care would need to be taken to avoid areas with dense forest cover or steep gradients that might complicate installation and maintenance. It's worth noting that while the topography around Amriswil is generally favorable for solar PV, other factors such as local zoning regulations, land use restrictions, and proximity to electrical infrastructure would also play crucial roles in determining the most suitable sites for large-scale solar projects. Additionally, the region's climate, including factors like average cloud cover and seasonal variations in sunlight, would need to be carefully considered when planning any significant solar energy development in the area.

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!

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.