The location in Liberec, Czechia, situated at coordinates 50.7748, 14.9508, presents varying levels of suitability for solar PV energy generation throughout the year. This Northern Temperate Zone location experiences significant seasonal fluctuations in solar energy production, which directly impacts the efficiency of solar installations.
Seasonal Solar Production
Summer stands out as the most productive season for solar energy in Liberec, with an impressive output of 5.44 kWh per day for each kilowatt of installed solar capacity. Spring follows as the second-best season, generating 4.02 kWh/day. However, the colder months see a substantial decrease in energy production, with autumn yielding 2.39 kWh/day and winter dropping to a mere 1.06 kWh/day.
These figures highlight the stark contrast between the warm and cold seasons, with summer producing over five times more energy than winter. This variation underscores the importance of efficient energy storage solutions to balance out the seasonal discrepancies in power generation.
Optimal Panel Installation
To maximize year-round solar energy production in Liberec, fixed solar panels should be tilted at a 43-degree angle facing south. This optimal angle has been calculated to capture the most sunlight throughout the year, taking into account the location's latitude and the Earth's elliptical orbit.
Environmental and Weather Considerations
Several factors can potentially impede solar production in Liberec:
- Snow accumulation in winter can significantly reduce panel efficiency.
- Cloudy weather, particularly common in autumn and winter, can diminish solar energy capture.
To mitigate these issues, consider implementing the following preventative measures:
- Install panels at a steeper angle to promote snow sliding off
- Use snow-shedding coatings on panels
- Implement regular panel cleaning and maintenance
- Consider bifacial solar panels to capture reflected light on cloudy days
In conclusion, while Liberec's location presents challenges for year-round solar energy production, particularly in winter, it still offers substantial potential during spring and summer months. With proper installation techniques and maintenance, solar PV can be a viable renewable energy source for this Czech city.
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 74 locations across Czechia. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.
Link: Solar PV potential in Czechia by location
Solar output per kW of installed solar PV by season in Liberec
Seasonal solar PV output for Latitude: 50.7748, Longitude: 14.9508 (Liberec, Czechia), 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 43° South in Liberec, Czechia
To maximize your solar PV system's energy output in Liberec, Czechia (Lat/Long 50.7748, 14.9508) throughout the year, you should tilt your panels at an angle of 43° 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 Liberec, Czechia
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 Liberec, Czechia. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 43° South tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 34° South in Summer | 53° South in Autumn | 64° South in Winter | 43° 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 Liberec, Czechia
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 Liberec, Czechia.
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 Liberec, Czechia
The area around Liberec, located in the northern part of the Czech Republic, is characterized by a diverse and picturesque topography. The city itself is nestled in a basin between two mountain ranges, creating a unique landscape that combines urban areas with natural beauty.
To the north and northeast of Liberec lies the Jizera Mountains (Jizerské hory), a range known for its gentle slopes and rounded peaks. These mountains are primarily covered in dense forests, with some areas reaching elevations of around 1,000 meters above sea level. The terrain in this direction is generally hilly and rugged, with numerous streams and small rivers cutting through the landscape.
To the northwest, you'll find the Lusatian Mountains (Lužické hory), which form a natural border between the Czech Republic and Germany. This range is characterized by steep, forested slopes and distinctive sandstone rock formations. The topography here is more dramatic, with some peaks rising abruptly from the surrounding countryside.
South of Liberec, the terrain becomes gradually less mountainous, transitioning into rolling hills and eventually flatter areas as you move towards the central part of the country. This region features a mix of agricultural land, meadows, and scattered woodlands.
Regarding areas suitable for large-scale solar PV installations, the most promising locations would likely be found to the south of Liberec. The flatter, more open terrain in this direction offers several advantages for solar energy production:
- Less shadowing from mountains and hills, allowing for more consistent sunlight exposure throughout the day.
- Easier access for construction and maintenance of solar facilities.
- Potentially larger contiguous areas of land available for development.
- Fewer forests to clear, minimizing environmental impact.
However, it's important to note that specific site selection would require detailed analysis of factors such as local zoning regulations, grid connectivity, and environmental considerations. Additionally, while the mountainous areas to the north and northwest may be less suitable for large-scale installations, they could potentially accommodate smaller, distributed solar projects on south-facing slopes or in cleared areas.
Citation Guide
Article Details for Citation
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Monday 19th of August 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.
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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.




