Oberengstringen, Zurich, Switzerland, situated at coordinates 47.4049, 8.4631, offers varying potential for solar PV energy generation throughout the year due to its location in the Northern Temperate Zone.

Seasonal Solar Production

Solar production at this location shows significant seasonal variation. Summer brings the highest energy output at 5.66kWh per day for each kilowatt of installed capacity. Spring follows as the second most productive season with 4.79kWh/day. Autumn yields moderate results with 2.92kWh/day, while winter performance drops substantially to just 1.46kWh/day per kilowatt installed.

This pattern creates a roughly 4:1 ratio between the best and worst seasons, with summer producing nearly four times more energy than winter. The substantial difference highlights the seasonal nature of solar energy in this temperate location.

Optimal Panel Installation

For fixed solar panel installations in Oberengstringen, Zurich, the ideal tilt angle is 40 degrees facing South. This specific angle maximizes year-round solar energy production by optimizing the capture of available sunlight across all seasons.

Environmental and Weather Factors

Several factors can impact solar production at this location:

• Winter snow accumulation can temporarily cover panels, reducing output during already low-production months
• Fog and low cloud cover common in the Swiss plateau region, particularly in autumn and winter
• Potential shading from nearby Alpine foothills depending on the specific installation site

To mitigate these challenges, installations should include snow-shedding designs with steeper angles where possible, automated cleaning systems, and careful site selection to minimize shading. Panel placement should avoid areas where morning fog persists longest.

Overall Assessment

Oberengstringen presents a moderately favorable location for solar PV generation. While summer and spring offer excellent production potential, the significant drop during winter months means annual output will be uneven. The site is best suited for grid-connected systems rather than off-grid applications, as winter production alone would be insufficient for consistent year-round power needs without substantial storage capacity.

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 Oberengstringen

Seasonal solar PV output for Latitude: 47.4049, Longitude: 8.4631 (Oberengstringen, 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 Oberengstringen, Switzerland

To maximize your solar PV system's energy output in Oberengstringen, Switzerland (Lat/Long 47.4049, 8.4631) 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 Oberengstringen, 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 Oberengstringen, 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 Oberengstringen, 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 Oberengstringen, 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 Oberengstringen, Switzerland

Oberengstringen is situated in the canton of Zurich, Switzerland, nestled within the lower Limmat Valley. The topography of this area is characterized by gentle rolling hills and plateaus that gradually rise from the Limmat River. The settlement itself lies at approximately 410 meters above sea level, with surrounding terrain showing modest elevation changes compared to the more dramatic Alpine landscapes found elsewhere in Switzerland. To the east of Oberengstringen, the landscape rises toward the Zürichberg and Adlisberg hills, creating a natural boundary between the Limmat Valley and Lake Zurich. The western side transitions toward the Furttal Valley, with gradual slopes and agricultural plateaus. The northern direction leads toward Baden along the Limmat River valley, while the southern approach connects to the greater Zurich urban area.

Solar Potential Based on Topography

The most suitable areas for large-scale solar photovoltaic installations near Oberengstringen would be the south-facing slopes and plateaus that surround the Limmat Valley. These locations offer favorable conditions due to their orientation toward the sun's path and reduced shadowing effects from the modest hills. The gently sloping agricultural lands to the northwest and southwest of Oberengstringen present particularly promising opportunities for solar development. These areas benefit from good solar exposure throughout the day while having minimal competing land use pressures compared to the more densely developed urban zones closer to Zurich. The plateaus above the valley floor also merit consideration for solar installations. These relatively flat areas would require minimal grading and preparation for panel mounting systems, reducing installation costs while maximizing exposure to solar radiation.

Topographical Constraints

Some limitations exist within the immediate vicinity of Oberengstringen. The valley floor along the Limmat River, while flat and accessible, may experience morning fog during certain seasons, potentially reducing solar efficiency. Additionally, the more densely forested sections of the surrounding hills would require clearing, raising both environmental concerns and installation costs. The urban development spreading outward from Zurich has created land availability constraints, particularly in the southern direction. This urbanization pattern means that larger solar installations would likely need to be situated farther from the immediate Oberengstringen area, toward the less densely populated northern and western regions. In summary, the moderate topography around Oberengstringen provides several viable options for solar PV development, with the south-facing slopes and agricultural plateaus offering the best combination of solar exposure and practical development potential.

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.