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

Solar Energy Production in Chvaletice, Pardubický kraj, Czechia

Chvaletice, Pardubický kraj, Czechia, located at coordinates 50.0369, 15.4246, presents a moderate location for solar PV energy generation with significant seasonal variations. This Northern Temperate Zone location experiences substantial differences in solar production throughout the year, making it necessary to understand these patterns for optimal energy planning. The seasonal solar production shows a clear pattern of high summer yields contrasted with minimal winter output. During summer, each kilowatt of installed solar capacity produces an average of 5.38 kWh per day, making this the prime season for solar energy generation. Spring follows as the second most productive season with 3.95 kWh per day, while autumn yields drop to 2.33 kWh per day. Winter presents the greatest challenge with a mere 1.01 kWh daily production per kilowatt installed.

Optimal Panel Installation

For fixed solar panel installations in Chvaletice, Pardubický kraj, the ideal tilt angle to maximize year-round energy production is 42 degrees facing South. This specific angle has been calculated to optimize the annual solar yield by accounting for the location's latitude and seasonal solar patterns. Proper alignment at this angle helps capture maximum sunlight throughout the year, partially compensating for the significant seasonal variations.

Environmental and Weather Considerations

Several environmental factors could potentially impact solar production in Chvaletice:
  • Snow accumulation during winter months can significantly reduce already low winter production if panels become covered
  • Fog and low cloud cover, particularly common in autumn and winter in this region, may further diminish solar yields
  • Potential air pollution from nearby industrial activities, including Chvaletice's own power station, could reduce panel efficiency
To mitigate these effects, several preventative measures can be implemented during solar installation. Panels can be mounted with sufficient clearance from the roof and at the recommended 42-degree angle to facilitate natural snow sliding. Regular cleaning schedules should be established, particularly after snowfall events. Additionally, high-quality panels with anti-soiling coatings can help maintain efficiency despite dust and pollution exposure. The significant five-fold difference between summer and winter production means that any solar installation in Chvaletice should be planned with complementary energy sources or storage solutions to address the winter energy deficit. The most productive period spans from late spring through early autumn, making this location moderately suitable for solar energy, though with clear seasonal limitations.

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 Chvaletice

Seasonal solar PV output for Latitude: 50.0369, Longitude: 15.4246 (Chvaletice, 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 5.38kWh/day in Summer.
Autumn
Average 2.33kWh/day in Autumn.
Winter
Average 1.01kWh/day in Winter.
Spring
Average 3.95kWh/day in Spring.

 

Ideally tilt fixed solar panels 42° South in Chvaletice, Czechia

To maximize your solar PV system's energy output in Chvaletice, Czechia (Lat/Long 50.0369, 15.4246) 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.

The sun
At Latitude: 50.0369, Longitude: 15.4246, the ideal angle to tilt panels is 42° South

Seasonally adjusted solar panel tilt angles for Chvaletice, 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 Chvaletice, 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

Assuming you can modify the tilt angle of your solar PV panels throughout the year, you can optimize your solar generation in Chvaletice, Czechia as follows: In Summer, set the angle of your panels to 33° facing South. In Autumn, tilt panels to 53° facing South for maximum generation. During Winter, adjust your solar panels to a 63° angle towards the South for optimal energy production. Lastly, in Spring, position your panels at a 42° angle facing South to capture the most solar energy in Chvaletice, 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 Chvaletice, 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 Chvaletice, 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 Chvaletice, Czechia

Topography of Chvaletice and Surrounding Area

Chvaletice is situated in the eastern part of the Central Bohemian Region of Czechia, nestled along the northern bank of the Elbe River (Labe in Czech). The landscape around Chvaletice is characterized by a relatively flat alluvial plain formed by the Elbe River, with gentle undulations and low hills extending outward from the river valley. The elevation in this area typically ranges between 200-250 meters above sea level, creating a moderately low-lying terrain compared to other parts of Czechia. The Elbe River is the dominant geographical feature, flowing west-to-east through this region, and has historically shaped both the natural environment and human settlement patterns. The river valley creates a natural corridor that has been used for transportation and has influenced the development of agriculture and industry in the area. To the north of Chvaletice, the terrain gradually rises into rolling hills that form part of the Iron Mountains (Železné hory) range, which represents the southeastern edge of the Bohemian-Moravian Highlands. These hills are generally modest in height but provide some topographical contrast to the river valley below.

Suitability for Solar PV Development

When considering areas near Chvaletice for large-scale solar photovoltaic development, several topographical factors come into play. The most suitable locations would typically include: The flat or gently sloping lands just north of the Elbe River offer favorable conditions for solar installations. These areas provide good southern exposure with minimal shadowing effects that might reduce energy capture. The open agricultural plains that extend from Chvaletice toward nearby communities like Trnávka and Řečany nad Labem present particularly promising sites due to their minimal slope and lack of major obstructions. Former industrial areas around Chvaletice, including the brownfield sites associated with the region's history of coal mining and power generation, represent excellent opportunities for solar development. These lands often have existing grid connections and infrastructure that can be repurposed, while their redevelopment as solar farms would provide environmental remediation benefits. The slightly elevated areas to the north that face south toward the river valley could also be advantageous for solar installations. Though more undulating than the river plain, these locations can still accommodate large-scale arrays while potentially benefiting from slightly better air circulation that helps maintain optimal panel temperatures. Areas to avoid would include the steeper slopes of the Iron Mountains further north, densely forested regions that would require significant clearing, and any protected natural areas along the Elbe River that serve important ecological functions.

Geographical Advantages and Challenges

The Chvaletice region benefits from its position in the Elbe lowlands, which generally experiences less fog and atmospheric moisture than higher elevation areas in Czechia. The relatively open landscape also means fewer obstructions that might cast shadows across potential solar arrays. The area's industrial heritage, particularly related to coal mining and power generation, has created an environment where energy infrastructure is well-established. The existing power plant in Chvaletice means that robust grid connections are already in place, potentially reducing the cost and complexity of integrating new solar generation capacity. Challenges include the need to balance solar development with agricultural land preservation, as much of the flat terrain that would be ideal for solar arrays is currently used for farming. Additionally, the Elbe River floodplain presents some risk considerations that would need to be addressed through proper siting and engineering of any large-scale installations. The region's central European continental climate, with its distinct seasonal variations, would influence solar production throughout the year, with peak generation occurring during the longer days of summer when the sun reaches higher angles in the sky.

Citation Guide

Article Details for Citation

Article: Solar PV Analysis of Chvaletice, Czechia
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Wednesday 4th of June 2025
Last Updated: Monday 21st of July 2025

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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.

Calculate Your Optimal Solar Panel Tilt Angle