Hinterkappelen, Bern, Switzerland, situated at latitude 46.9659 and longitude 7.3819, presents a mixed picture for solar PV 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 6.04 kWh per kW of installed solar capacity. Spring follows as the second-best season, generating 4.94 kWh/day. Autumn sees a considerable drop to 3.15 kWh/day, while winter performance is notably low at just 1.63 kWh/day.

The substantial difference between summer and winter production highlights the challenges of year-round solar energy reliance in this location. However, the strong performance during spring and summer months suggests that solar PV can still be a valuable energy source for a significant portion of the year.

Optimal Panel Installation

To maximize year-round solar energy production in Hinterkappelen, Bern, fixed solar panels should be installed at a tilt angle of 40 degrees facing south. This angle has been calculated to optimize energy capture across all seasons, taking into account the location's latitude and the Earth's elliptical orbit.

Environmental and Weather Considerations

Several factors may impact solar production in Hinterkappelen:

• Snow accumulation in winter can significantly reduce panel efficiency
• Frequent cloudy days, especially in autumn and winter, may limit solar exposure
• Potential shading from nearby mountains or tall trees could affect solar access

To mitigate these challenges, consider installing panels with a steeper tilt to encourage snow sliding off, using high-efficiency panels that perform better in low-light conditions, and carefully assessing the installation site to minimize shading impacts. Regular panel cleaning and maintenance are also crucial to ensure optimal performance year-round.

While Hinterkappelen may not be ideal for year-round solar energy production, strategic installation and management can still make solar PV a valuable component of the local energy mix, particularly from late spring through early autumn.

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 Hinterkappelen

Seasonal solar PV output for Latitude: 46.9659, Longitude: 7.3819 (Hinterkappelen, 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 Hinterkappelen, Switzerland

To maximize your solar PV system's energy output in Hinterkappelen, Switzerland (Lat/Long 46.9659, 7.3819) 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 Hinterkappelen, 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 Hinterkappelen, 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 Hinterkappelen, 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 Hinterkappelen, 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 Hinterkappelen, Switzerland

The area surrounding Hinterkappelen, Switzerland, is characterized by a diverse and picturesque topography typical of the Swiss Plateau region. Located just west of the capital city of Bern, Hinterkappelen sits in a landscape that transitions from gentle hills to more pronounced elevations as one moves towards the Alps in the distance. The immediate vicinity of Hinterkappelen features rolling hills and small valleys, with elevations ranging from approximately 500 to 700 meters above sea level. The terrain is a mix of open fields, patches of forest, and small settlements. The nearby Wohlensee, an artificial lake created by damming the Aare River, adds a significant water feature to the local topography. To the north and west of Hinterkappelen, the land remains relatively flat, with subtle undulations characteristic of the Swiss Plateau. This area is primarily used for agriculture, with expansive fields and meadows dominating the landscape. As one moves south and east, the terrain becomes more varied, with steeper hills and deeper valleys leading towards the pre-Alpine region.

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 have ample sunlight exposure, minimal shading, and relatively flat or gently sloping terrain to simplify installation and maximize efficiency. The agricultural areas to the north and west of Hinterkappelen present the most promising opportunities for large-scale solar PV projects. These open fields offer expansive, unobstructed spaces with good sun exposure throughout the day. The gentle slopes in this region could actually be advantageous, as they can be oriented to optimize solar panel placement for maximum sunlight capture. However, it's important to note that the use of agricultural land for solar installations often faces regulatory and social challenges. Therefore, alternative sites such as former industrial areas, large rooftops of commercial or industrial buildings, or purpose-built elevated structures over parking lots in nearby urban areas like Bern might also be considered for solar PV deployment. The hillier regions to the south and east, while potentially offering good sun exposure on south-facing slopes, would generally be less suitable for large-scale installations due to the increased complexity and cost of construction on more challenging terrain. Ultimately, any large-scale solar PV project in the region would need to carefully balance energy production potential with environmental impact, land-use regulations, and community acceptance. The relatively high latitude of the area also means that careful planning would be required to maximize solar energy capture throughout the year, particularly during the shorter winter days.

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.