Ostermundigen, Bern, Switzerland, situated at latitude 46.9561 and longitude 7.4887, presents a mixed picture for solar energy generation throughout the year. This location in the Northern Temperate Zone experiences significant seasonal variations in solar energy production.

Seasonal Solar Performance

Summer stands out as the most productive season, with an impressive daily output of 6.00 kWh per kW of installed solar capacity. Spring follows as the second-best season, generating 4.89 kWh/day. Autumn sees a notable decrease to 3.09 kWh/day, while winter performance drops dramatically to just 1.58 kWh/day.

The substantial difference between summer and winter production highlights the challenges of year-round solar energy generation in this location. The long, sunny days of summer provide ideal conditions for solar PV systems, making it the prime time for energy production. Spring and autumn offer moderate potential, while winter's short days and low sun angle significantly reduce solar efficiency.

Optimizing Solar Panel Installation

To maximize year-round solar energy production in Ostermundigen, Bern, fixed solar panels should be installed at a tilt angle of 40 degrees facing south. This optimal angle helps balance energy capture across seasons, particularly enhancing performance during the less productive autumn and winter months.

Environmental and Weather Considerations

Several factors can impact solar production in this Alpine region:

• Snow accumulation in winter can cover panels, reducing output
• Fog and low cloud cover, common in autumn and winter, can diminish solar radiation

To mitigate these issues, consider installing panels at a steeper angle to encourage snow sliding off. Additionally, using high-quality, anti-reflective glass on panels can help maximize light absorption even in low-light conditions. Regular maintenance, including snow removal, is crucial for optimal performance year-round.

In conclusion, while Ostermundigen's location presents challenges for consistent year-round solar production, proper installation techniques and maintenance can still make solar PV a viable energy option, especially during the more productive spring and summer months.

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 Ostermundigen

Seasonal solar PV output for Latitude: 46.9561, Longitude: 7.4887 (Ostermundigen, 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 Ostermundigen, Switzerland

To maximize your solar PV system's energy output in Ostermundigen, Switzerland (Lat/Long 46.9561, 7.4887) 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 Ostermundigen, 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 Ostermundigen, 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	39° 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 Ostermundigen, 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 Ostermundigen, 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 Ostermundigen, Switzerland

Ostermundigen, a municipality in Switzerland, is situated in a diverse topographical region characterized by both flat areas and gentle slopes. The town itself lies on a relatively level plateau at an elevation of approximately 550 meters above sea level. To the west, the terrain gradually descends towards the Aare River valley, where the city of Bern is located. To the east and southeast of Ostermundigen, the landscape becomes more varied, with rolling hills and small valleys. These hills are part of the Swiss Plateau, a region that stretches between the Jura Mountains and the Alps. The terrain in this direction gradually increases in elevation, with some nearby hills reaching heights of around 700 to 800 meters.

Surrounding Topography

The area north of Ostermundigen remains relatively flat, with agricultural fields and small patches of forest. To the south, the land begins to rise more noticeably, forming the foothills of the Bernese Alps. These mountains, though not immediately adjacent to Ostermundigen, can be seen in the distance on clear days. The region's topography is further shaped by small streams and tributaries that flow towards the Aare River. These waterways have carved shallow valleys and created natural drainage patterns throughout the landscape.

Potential for Large-Scale Solar PV

When considering areas nearby that would be most suited to large-scale solar photovoltaic (PV) installations, several factors come into play. The ideal locations would combine favorable topography with minimal environmental impact and proximity to existing infrastructure. The flat agricultural areas to the north and northwest of Ostermundigen present promising opportunities for solar PV development. These open spaces receive ample sunlight and have few obstructions that could cast shadows on solar panels. The relatively level terrain would also simplify construction and maintenance of large solar arrays. Some of the gently sloping hillsides to the east and southeast of Ostermundigen could also be suitable for solar PV installations. South-facing slopes, in particular, would benefit from increased sun exposure throughout the day. However, care would need to be taken to balance energy production with preserving the natural landscape and local ecosystems. It's important to note that while the immediate vicinity of Ostermundigen offers potential for solar PV development, larger-scale projects might be more feasible in less densely populated areas further from the town. The Swiss Plateau region, with its mix of agricultural land and open spaces, could provide additional opportunities for solar energy production while minimizing conflicts with urban development and natural habitats. Any large-scale solar PV project in the area would need to carefully consider local regulations, land use policies, and environmental impact assessments. Switzerland's commitment to renewable energy and its ambitious climate goals may support such developments, but they would need to be implemented in a way that respects the country's natural beauty and ecological diversity.

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.