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Graph of hourly avg kWh electricity output per kW of Solar PV installed in Vracov, Czechia (by season)

Solar Energy Potential in Vracov, South Moravian, Czechia

Vracov, South Moravian, a location in Czechia situated at coordinates 48.9772, 17.2006, presents varied potential for solar photovoltaic (PV) energy generation throughout the year. This location experiences significant seasonal fluctuations in solar energy production, which is typical for sites in the Northern Temperate Zone. The seasonal solar energy production shows a clear pattern. Summer stands out as the most productive season, with panels generating an average of 6.37 kWh per day for each kilowatt of installed capacity. Spring follows as the second most productive season, yielding 4.49 kWh/day per kW installed. Autumn production drops considerably to 2.80 kWh/day, while winter shows the lowest output at just 1.23 kWh/day per kW installed. This seasonal variation means that a solar installation in Vracov will produce more than five times the electricity in summer compared to winter. The most ideal period for solar generation spans from late spring through early autumn (roughly May through September), when days are longer and the sun's path is higher in the sky.

Optimal Panel Installation

For a fixed panel installation at this Vracov location, the ideal tilt angle to maximize year-round energy production is 41 degrees facing South. This specific angle has been calculated to optimize the annual solar harvest by accounting for the sun's seasonal path across the sky at this particular latitude.

Environmental and Weather Considerations

Several environmental factors could potentially impact solar production in Vracov:
  • Snow coverage in winter can significantly reduce output beyond the already low winter production figures. Installing panels at the recommended 41-degree tilt helps with natural snow shedding.
  • Fog and low cloud cover, particularly common in autumn and winter in this region, may further reduce energy generation during these already less productive seasons.
  • Dust and pollen accumulation, especially during spring and summer, can gradually decrease panel efficiency if not addressed.
To mitigate these challenges, regular panel cleaning is recommended, particularly after pollen season and before winter. Snow removal systems or manual clearing might be necessary during winter months to maintain even minimal production. Additionally, using high-efficiency panels with good low-light performance can help maximize energy capture during the frequently overcast autumn and winter days characteristic of this Central European location.

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 Vracov

Seasonal solar PV output for Latitude: 48.9772, Longitude: 17.2006 (Vracov, 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:

Summer
Average 6.37kWh/day in Summer.
Autumn
Average 2.80kWh/day in Autumn.
Winter
Average 1.23kWh/day in Winter.
Spring
Average 4.49kWh/day in Spring.

 

Ideally tilt fixed solar panels 41° South in Vracov, Czechia

To maximize your solar PV system's energy output in Vracov, Czechia (Lat/Long 48.9772, 17.2006) 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.

The sun
At Latitude: 48.9772, Longitude: 17.2006, the ideal angle to tilt panels is 41° South

Seasonally adjusted solar panel tilt angles for Vracov, 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 Vracov, Czechia. 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
32° South in Summer 52° South in Autumn 62° South in Winter 41° South in Spring

Assuming you can modify the tilt angle of your solar PV panels throughout the year, you can optimize your solar generation in Vracov, Czechia as follows: In Summer, set the angle of your panels to 32° facing South. In Autumn, tilt panels to 52° facing South for maximum generation. During Winter, adjust your solar panels to a 62° angle towards the South for optimal energy production. Lastly, in Spring, position your panels at a 41° angle facing South to capture the most solar energy in Vracov, Czechia.

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 Vracov, 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 Vracov, Czechia.

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.






Please enter information above to calculate panel spacing.

Topography for solar PV around Vracov, Czechia

Topography Around Vracov, Czechia

Vracov is situated in the southeastern part of the Czech Republic, specifically in the South Moravian Region. The topography of this area is characterized by a gentle, undulating landscape that transitions between the lowlands of the Morava River basin and the foothills of the White Carpathian Mountains to the east. The immediate vicinity of Vracov features predominantly flat to gently rolling terrain. The town itself sits at an elevation of approximately 190 meters above sea level. To the west and northwest of Vracov extends the Dolnomoravský úval (Lower Moravian Vale), a broad, fertile valley formed by the Morava River. This valley is part of the larger Pannonian Basin and consists mainly of alluvial plains and terraces. To the east, the landscape gradually rises toward the White Carpathians (Bílé Karpaty), creating a more varied topography with increasing elevation. These hills, though not particularly high by mountainous standards, provide a noticeable contrast to the lowlands around Vracov. The transition zone between the valley and these foothills contains gentle slopes and shallow valleys carved by smaller streams. The area's hydrology is influenced by the Morava River system, with numerous smaller streams and drainage channels crossing the landscape. Some shallow ponds and wetland areas can also be found in the vicinity, particularly in the lower-lying sections of the terrain.

Solar PV Suitability in the Region

When considering areas near Vracov for large-scale solar photovoltaic installations, several topographical factors come into play. The most suitable locations would generally include: The flat or gently sloping agricultural lands to the west and northwest of Vracov offer excellent potential for solar PV development. These areas within the Dolnomoravský úval provide extensive, uninterrupted spaces with minimal shading concerns. The relatively level terrain would minimize earthworks during construction and simplify the installation of mounting structures. South-facing gentle slopes in the transitional areas between the valley and the eastern foothills present particularly advantageous conditions. These locations benefit from optimal solar exposure throughout the day while still maintaining the accessibility and practicality of relatively flat terrain. The slight inclination can actually improve solar panel efficiency compared to perfectly flat installations. Former agricultural lands or brownfield sites throughout the region could provide ideal locations that minimize environmental impact. The area around Vracov has a long agricultural history, and some marginal or less productive agricultural lands might be suitable for repurposing to solar energy production. Areas to avoid would include the more steeply sloped eastern sections approaching the White Carpathians, locations with significant forest cover, wetlands near the river systems, and any protected natural areas. Additionally, flood-prone zones along the Morava River and its tributaries would present challenges for solar infrastructure. The generally open character of the landscape around Vracov, particularly in the western and southern directions, creates favorable conditions for solar energy capture. The modest elevation changes throughout much of the region would not significantly impede solar resource availability, making large portions of the area topographically suitable for solar PV development, assuming other factors like grid connection, land availability, and environmental considerations are addressed.

Citation Guide

Article Details for Citation

Article: Solar PV Analysis of Vracov, Czechia
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Sunday 1st of June 2025
Last Updated: Monday 21st of July 2025

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