Solar PV Analysis of Ostrava, Czechia
Situated in Czechia, Ostrava is a promising location for harnessing solar photovoltaic (PV) energy. The city's geographic coordinates (latitude 49.8294 and longitude 18.1687) are conducive to an efficient yield of solar power throughout the year, albeit with seasonal variations.
During the summer season, each kilowatt of installed solar capacity can generate an impressive average of 5.84 kilowatt-hours per day. As autumn sets in, this daily production drops slightly to 2.67 kilowatt-hours per kW due to shorter daylight hours and lower sun elevation angles.
Winter presents the most challenging period with a daily output averaging at just 1.16 kWh per kW owing to fewer daylight hours and a lower position of the sun in the sky which reduces irradiance levels on panels significantly.
However, as spring arrives with longer daylight hours and higher sun elevations compared to winter months, there is a considerable increase in productivity with almost 3.99 kWh produced per day for each kW installed.
For optimal performance of fixed panel installations at this location, tilting panels towards South at an angle of approximately 42 degrees is recommended as it aligns them directly towards incoming sunlight for most parts of the year thus maximizing energy capture.
Despite these promising figures, certain local factors could potentially impede solar production in Ostrava - weather conditions being one such factor that needs careful consideration during installation planning stages.
Heavy rainfall or snowfall can limit sunlight exposure on panels thereby reducing their ability to convert light into electricity efficiently; similarly periods marked by dense cloud cover can also impact productivity negatively by reducing available sunlight intensity considerably.
To mitigate these challenges and ensure maximum energy generation from installed PV systems throughout different seasons regardless of weather conditions; regular cleaning & maintenance schedules should be adhered rigorously so that any accumulation of snow or debris on panels is cleared promptly ensuring unhindered access to direct sunlight for maximum power conversion. Additionally, installing panels at an ideal tilt and orientation can help capture maximum sunlight even during less optimal weather conditions.
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 Ostrava
Seasonal solar PV output for Latitude: 49.8294, Longitude: 18.1687 (Ostrava, 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 42° South in Ostrava, Czechia
To maximize your solar PV system's energy output in Ostrava, Czechia (Lat/Long 49.8294, 18.1687) throughout the year, you should tilt your panels at an angle of 42° 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 Ostrava, 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 Ostrava, Czechia. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 42° South tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 33° South in Summer | 53° South in Autumn | 63° South in Winter | 42° 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 Ostrava, 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 Ostrava, 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 Ostrava, Czechia
The topography around Ostrava is mostly flat with some rolling hills. The nearby area most suited for large scale solar PV would be open fields and plains.
Citation Guide
Article Details for Citation
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Wednesday 22nd of November 2023
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.
