Muttenz, Switzerland, situated at 47.523° latitude and 7.6477° longitude, presents varying conditions for solar PV energy generation throughout the year. This northern temperate location experiences significant seasonal fluctuations in solar energy production.

Seasonal Solar Production

The solar energy output in Muttenz follows a predictable seasonal pattern. Summer yields the highest production at 5.69 kWh per day for each kilowatt of installed capacity. Spring follows closely with 4.83 kWh/day, while autumn generates a moderate 2.95 kWh/day. Winter shows the most dramatic reduction, producing only 1.39 kWh/day per installed kilowatt.

This pattern creates a roughly 4:1 ratio between the best and worst seasons, with summer producing more than four times the electricity of winter months. The substantial difference indicates that while solar remains viable year-round, production is heavily weighted toward the warmer months.

Optimal Panel Installation

For fixed solar panel installations in Muttenz, the ideal tilt angle is 40 degrees facing South. This orientation maximizes year-round energy capture by optimizing the angle relative to the sun's position throughout the seasons. This calculated angle accounts for the Earth's elliptical orbit and the specific latitude of Muttenz.

Environmental and Weather Considerations

Several factors may impact solar production in this Alpine region:

• Winter snow accumulation can significantly reduce output if panels become covered, requiring either manual clearing or steep installation angles to promote natural snow shedding
• Fog from the Rhine Valley is common in autumn and winter months, potentially reducing solar radiation reaching panels
• Alpine weather patterns can bring extended cloudy periods, particularly in winter

To mitigate these challenges, installations should include snow guards or heating elements for snow removal in winter, regular cleaning schedules to address dust and pollen accumulation, and potentially microinverters or power optimizers to minimize the impact of partial shading. Additionally, slightly increasing the panel tilt beyond the optimal 40 degrees may help with snow shedding, though at a small cost to annual production.

Despite these challenges, Muttenz remains a viable location for solar PV, especially when systems are designed with these local conditions in mind. The strong summer and spring production can compensate for winter's limitations in a properly designed system.

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 Muttenz

Seasonal solar PV output for Latitude: 47.523, Longitude: 7.6477 (Muttenz, 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 40° South in Muttenz, Switzerland

To maximize your solar PV system's energy output in Muttenz, Switzerland (Lat/Long 47.523, 7.6477) throughout the year, you should tilt your panels at an angle of 40° 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 Muttenz, 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 Muttenz, Switzerland. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 40° 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 Muttenz, 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 Muttenz, 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 Muttenz, Switzerland

The topography around Muttenz, Switzerland is characterized by diverse landscapes that include both flat plains and rolling hills. Situated in the northwestern part of Switzerland near Basel, Muttenz lies within the Rhine Valley, with the Rhine River flowing nearby to the north. The town itself is positioned at the southern edge of the Upper Rhine Plain, where the landscape begins to rise toward the Jura Mountains. To the south of Muttenz, the terrain gradually climbs into the foothills of the Jura Mountains, creating a varied topography with gentle slopes and elevated areas. The most prominent local elevation is the Wartenberg hill, which features three medieval castle ruins and offers panoramic views of the surrounding region. This hill rises distinctly above the otherwise relatively flat settlement area.

Surrounding Landscape Features

The northern parts of the Muttenz area are predominantly flat, forming part of the Rhine Valley plain. This area extends toward Basel and the Swiss-German-French border region known as the "Dreiländereck" (Three Countries Corner). The flat terrain in this direction transitions into the urban and industrial zones of the Basel metropolitan area. To the east and southeast, the landscape begins to undulate more significantly as it approaches the Jura foothills. Small valleys and ridges characterize this transition zone. Several small streams flow through the area, eventually joining the Rhine River system. The western side of Muttenz features a mix of agricultural land and wooded areas, with a gradual increase in elevation as one moves away from the Rhine Valley. Forest patches are scattered throughout the region, particularly on higher ground and steeper slopes.

Potential Areas for Solar PV Development

For large-scale solar photovoltaic installations, the most suitable areas around Muttenz would be the flatter portions of land in the northern and northwestern sectors. These areas within the Rhine Valley plain offer several advantages for solar development: The flat terrain requires minimal grading and preparation, reducing construction costs and environmental impact. These areas generally have fewer obstructions that might cast shadows on solar arrays, maximizing potential energy capture. The northern plain areas also tend to have better access to existing infrastructure, including roads and electrical grid connections. Secondary suitable locations might include the gently sloping areas to the southwest and southeast of Muttenz, where the land begins to rise but remains relatively open. These slightly elevated positions can sometimes benefit from reduced fog exposure compared to the valley floor. The steeper hillsides to the south, including the Wartenberg area and other Jura foothills, present more challenges for large-scale installations due to their slope, potential shadowing effects, and greater ecological sensitivity. These areas would generally be less suitable for extensive solar development, though smaller installations might be feasible in select locations. Industrial zones and former industrial sites around the Basel-Muttenz area could also offer potential for solar development, particularly for rooftop or brownfield installations that don't consume additional undeveloped land.

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.