Solar PV Analysis of Liestal, Switzerland
Solar Energy Potential in Liestal, Switzerland
Liestal, Switzerland, situated at 47.4834°N, 7.74°E in the Northern Temperate Zone, presents a mixed picture for solar energy generation. The location experiences significant seasonal variations in solar output, which impacts the overall efficiency of photovoltaic (PV) systems throughout the year.
Summer stands out as the most productive season, with an impressive daily output of 5.74 kWh per kW of installed solar capacity. This high yield makes summer an ideal time for solar energy generation in Liestal. Spring follows closely, with a respectable 4.89 kWh/day, offering good potential for solar production as daylight hours increase and weather conditions improve.
Autumn sees a noticeable decline in solar output, dropping to 3.02 kWh/day. While still contributing to energy production, this decrease reflects the shorter days and potentially increased cloud cover typical of the season. Winter presents the greatest challenge, with a mere 1.45 kWh/day, significantly impacting the overall yearly energy production.
Optimizing Solar Panel Installation
To maximize year-round solar energy production in Liestal, fixed solar panels should be tilted at an angle of 41 degrees facing south. This optimal angle takes into account the location's latitude and the sun's position throughout the year, ensuring the best possible exposure to sunlight across all seasons.
Environmental and Weather Factors
Several factors could potentially impede solar production in Liestal:
- Snow accumulation in winter, which can cover panels and reduce efficiency
- Fog and low cloud cover, particularly common in autumn and winter months
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 caused by fog or clouds.
In conclusion, while Liestal's location presents challenges, particularly in winter, it still offers good potential for solar energy generation, especially during spring and summer. With proper installation techniques and consideration of local weather patterns, solar PV systems can be an effective source of renewable energy in this Swiss town.
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 Liestal
Seasonal solar PV output for Latitude: 47.4834, Longitude: 7.74 (Liestal, 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 Liestal, Switzerland
To maximize your solar PV system's energy output in Liestal, Switzerland (Lat/Long 47.4834, 7.74) 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 Liestal, 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 Liestal, 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 Liestal, 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 Liestal, Switzerland.
Our calculation method
- Solar Position:
We determine the Sun's position on the Winter solstice using the location's latitude and solar declination. - Shadow Projection:
We calculate the shadow length cast by panels using trigonometry, considering panel tilt and the Sun's elevation angle. - 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 Liestal, Switzerland
Liestal, Switzerland is situated in a region characterized by diverse topography. The town itself lies in a valley surrounded by gently rolling hills and low mountains. To the south and east, the landscape gradually rises towards the foothills of the Jura Mountains, a range known for its limestone composition and picturesque scenery.
The area around Liestal features a mix of forested hillsides, open meadows, and agricultural lands. The Ergolz River flows through the town, carving a shallow valley that extends northward. As you move away from the town center, the terrain becomes more varied, with some steeper slopes and small plateaus interspersed among the hills.
To the north and west of Liestal, the land becomes flatter as it approaches the Rhine River valley. This area is characterized by more expansive agricultural fields and gentler topography. The transition from the hilly region around Liestal to the flatter Rhine valley creates a diverse landscape within a relatively small area.
When considering areas nearby that would be most suited to large-scale solar PV (photovoltaic) installations, the flatter regions to the north and west of Liestal offer the most potential. These areas have several advantages for solar energy production:
- The relatively flat terrain makes it easier and more cost-effective to install large arrays of solar panels.
- There are fewer obstructions from hills or mountains that could cast shadows on the panels, maximizing sunlight exposure throughout the day.
- The open agricultural lands provide ample space for expansive solar farms without the need for significant land clearing.
- The proximity to the Rhine River valley means these areas generally experience less fog and cloud cover compared to the higher elevations in the Jura foothills.
While the hillsides around Liestal could potentially accommodate smaller solar installations, the challenges of uneven terrain, increased shading, and the need for forest clearing make them less ideal for large-scale projects. The flatter, more open areas to the north and west strike a better balance between available space, suitable topography, and optimal sun exposure for significant solar PV development.
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
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Thursday 17th of October 2024
Last Updated: Monday 21st of July 2025
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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.
