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

Solar Energy Potential in Modletice, Central Bohemia, Czechia

Modletice, Central Bohemia, located in the Czech Republic, offers varying potential for solar energy generation throughout the year. Situated in the Northern Temperate Zone, this location experiences significant seasonal fluctuations in solar output. The summer months provide the most favorable conditions for solar energy production, with an average daily output of 5.86 kWh per kW of installed solar capacity. This high yield makes summer an ideal time for maximizing solar energy generation in Modletice. Spring follows as the second-most productive season, yielding 4.22 kWh per day for each kW of installed capacity. This season offers a good balance between daylight hours and moderate temperatures, contributing to efficient solar panel performance. Autumn sees a noticeable decrease in solar output, with 2.64 kWh per day per kW of installed capacity. While still providing some energy, this season marks the beginning of shorter days and increased cloud cover, which impacts solar generation. Winter presents the most challenging conditions for solar energy production in Modletice, Central Bohemia, with a daily output of only 1.21 kWh per kW of installed capacity. The combination of shorter days, lower sun angles, and potential snow cover significantly reduces solar panel efficiency during this season.

Optimizing Solar Panel Installation

To maximize year-round solar energy production in Modletice, Central Bohemia, it is recommended to install fixed solar panels at a tilt angle of 42 degrees facing South. This optimal angle helps capture the most sunlight throughout the year, considering the location's latitude and seasonal variations in sun position.

Environmental and Weather Factors

Several factors can impact solar energy production in Modletice: 1. Snow accumulation in winter: Regular panel cleaning or the use of snow-shedding systems can help maintain efficiency. 2. Cloud cover: Utilizing high-efficiency panels and micro-inverters can optimize performance during overcast conditions. 3. Dust and pollen: Implementing automated cleaning systems or scheduling regular maintenance can keep panels clean and efficient. By addressing these factors and optimizing panel placement, solar energy systems in Modletice can achieve better year-round performance, despite the seasonal variations in solar output.

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 Modletice

Seasonal solar PV output for Latitude: 49.9544, Longitude: 14.5855 (Modletice, 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 5.86kWh/day in Summer.
Autumn
Average 2.64kWh/day in Autumn.
Winter
Average 1.21kWh/day in Winter.
Spring
Average 4.22kWh/day in Spring.

 

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

To maximize your solar PV system's energy output in Modletice, Czechia (Lat/Long 49.9544, 14.5855) 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: 49.9544, Longitude: 14.5855, the ideal angle to tilt panels is 42° South

Seasonally adjusted solar panel tilt angles for Modletice, 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 Modletice, 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 Modletice, 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 Modletice, 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 Modletice, 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 Modletice, 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 Modletice, Czechia

The area surrounding Modletice, a village located in the Central Bohemian Region of Czechia, is characterized by gently rolling hills and open countryside typical of the Czech landscape. The topography in this region is generally mild, with subtle variations in elevation creating a pleasant, undulating terrain. To the north and east of Modletice, the land gradually slopes downward towards the Říčany Stream, which flows through the nearby town of Říčany. This area features a mix of agricultural fields, meadows, and small patches of woodland. The gentle slopes in this direction provide a relatively open aspect, with few steep inclines or major obstacles. To the south and west, the terrain becomes slightly more pronounced, with low hills rising to create a more varied landscape. These hills are typically covered with a mixture of farmland and forested areas, creating a patchwork of open spaces and tree-covered slopes. Despite the increased elevation, the hills remain relatively modest in height and do not present significant challenges to development or land use.

Potential Areas for Large-Scale Solar PV

When considering areas nearby that would be most suited to large-scale solar photovoltaic (PV) installations, several factors come into play. The ideal location would have a combination of favorable topography, good solar exposure, and minimal environmental or cultural constraints. The gently sloping fields to the north and east of Modletice present promising opportunities for solar PV development. These areas benefit from their open aspect, which allows for maximum solar exposure throughout the day. The gradual incline of the land in this direction could also be advantageous, as it may naturally orient solar panels towards the sun without requiring extensive earthworks. Some of the more open hilltops to the south and west of Modletice could also be suitable for solar PV installations. These elevated areas may receive excellent solar radiation due to their height and lack of obstruction from surrounding terrain. However, care would need to be taken to balance the potential benefits with any visual impact on the landscape. It's important to note that while the topography around Modletice is generally favorable for solar PV development, other factors such as grid connectivity, land ownership, and local regulations would also play crucial roles in determining the most suitable locations. Additionally, care should be taken to avoid areas of ecological importance or prime agricultural land when considering large-scale solar installations in this region.

Citation Guide

Article Details for Citation

Article: Solar PV Analysis of Modletice, Czechia
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Friday 18th of October 2024
Last Updated: Monday 21st of July 2025

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Calculate Your Optimal Solar Panel Tilt Angle