Prado Ferreira, Paraná, Brazil represents a moderately good location for year-round solar energy generation, though it experiences notable seasonal variations in output. Located in the southern tropical region, this area benefits from consistent sunlight throughout most of the year, with seasons typically characterized by wet and dry periods rather than dramatic temperature changes.
Seasonal Solar Performance
The solar energy output at Prado Ferreira varies significantly across the seasons. Summer delivers the highest production at 6.89 kWh per day per kW of installed capacity, making it the peak generation period. Spring follows as the second-best season with 6.07 kWh daily output, while autumn produces a moderate 5.43 kWh per day. Winter represents the lowest production period at 4.40 kWh daily, though this output remains reasonable for solar energy systems. The ideal times for solar generation at this location are clearly summer and spring, when the sun's angle and intensity provide optimal conditions. The difference between peak summer production and lowest winter output shows a seasonal variation of approximately 57%, which is typical for locations at this latitude.Optimal Panel Installation
For fixed panel installations at Prado Ferreira, Paraná, the ideal tilt angle is 21 degrees facing north to maximize total year-round production. This angle has been calculated using weighted daily solar elevation angles and NASA solar irradiance data, accounting for Earth's elliptical orbit and seasonal variations in solar intensity.Environmental and Weather Challenges
Several local factors could potentially impact solar production at this location and require consideration during installation:- Seasonal rainfall patterns: The tropical wet season can reduce solar output through cloud cover and frequent precipitation
- High humidity levels: Tropical humidity can lead to moisture-related issues with electrical components
- Dust and debris accumulation: Dry seasons may cause dust buildup on panels, reducing efficiency
- Intense UV exposure: Strong tropical sunlight can accelerate degradation of panel materials and mounting systems
Preventative Measures for Better Performance
To ensure optimal energy production despite these challenges, several installation strategies should be implemented:- Enhanced drainage systems: Install proper water drainage around panel arrays to prevent flooding during heavy rains
- Regular cleaning schedules: Establish routine panel cleaning, especially during dry seasons when dust accumulation peaks
- Quality component selection: Use panels and inverters specifically rated for tropical conditions with higher humidity and temperature tolerances
- Adequate ventilation: Ensure proper airflow beneath panels to reduce heat buildup and improve efficiency
- Corrosion-resistant mounting: Select galvanized or aluminum mounting systems that can withstand tropical moisture levels
Note: The Tropics are located between 23.5° North and -23.5° South of the equator.
So far, we have conducted calculations to evaluate the solar photovoltaic (PV) potential in 3161 locations across Brazil. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.
Link: Solar PV potential in Brazil by location
Solar output per kW of installed solar PV by season in Prado Ferreira
Seasonal solar PV output for Latitude: -23.022, Longitude: -51.3776 (Prado Ferreira, Brazil), 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 21° North in Prado Ferreira, Brazil
To maximize your solar PV system's energy output in Prado Ferreira, Brazil (Lat/Long -23.022, -51.3776) throughout the year, you should tilt your panels at an angle of 21° North 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 Prado Ferreira, Brazil
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 Prado Ferreira, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 21° North tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 7° North in Summer | 29° North in Autumn | 38° North in Winter | 16° North 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 Prado Ferreira, Brazil
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 Prado Ferreira, Brazil.
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 Prado Ferreira, Brazil
Topographical Features of Prado Ferreira
Prado Ferreira sits within the rolling landscape of northern Paraná state in southern Brazil, characterized by gently undulating terrain that forms part of the broader Paraná Plateau. The region features predominantly flat to moderately sloping agricultural land, with elevations typically ranging between 400 to 600 meters above sea level. This area represents some of Brazil's most productive farmland, where the topography has been shaped by ancient volcanic activity and subsequent erosion over millions of years. The landscape around Prado Ferreira consists mainly of broad, open plains interspersed with gentle hills and shallow valleys. The terrain slopes gradually toward the northwest, following the natural drainage patterns that feed into the Paraná River system. Red clay soils, known locally as "terra roxa," dominate the region and have been extensively cultivated for decades, creating a patchwork of agricultural fields across the gently rolling countryside. Small streams and seasonal watercourses meander through the area, creating minor topographical variations in an otherwise relatively uniform landscape. These waterways have carved shallow valleys that rarely exceed 50 meters in depth, maintaining the overall gentle character of the terrain. The region experiences minimal extreme topographical features, with no significant mountain ranges, deep gorges, or steep escarpments in the immediate vicinity.Optimal Areas for Large-Scale Solar Development
The expansive agricultural plains extending northwest and southeast of Prado Ferreira present excellent opportunities for large-scale solar photovoltaic installations. These areas offer vast stretches of relatively flat terrain with minimal shading obstacles, providing ideal conditions for solar panel deployment. The gentle slopes in these directions, typically ranging from 1 to 3 degrees, actually enhance solar collection efficiency while facilitating proper drainage and maintenance access. The broad plateaus located approximately 10 to 20 kilometers south and southwest of the town center represent particularly promising locations for solar development. These elevated areas experience consistent wind patterns that help maintain optimal panel temperatures, while their minimal topographical variation reduces installation complexity and costs. The existing agricultural infrastructure in these zones, including access roads and electrical connections, provides additional advantages for solar project development. Open pasturelands and less intensively cultivated areas to the east and northeast of Prado Ferreira also offer suitable conditions for solar installations. These locations benefit from unobstructed southern exposure and minimal interference from existing structures or vegetation. The relatively stable soil conditions and good drainage characteristics of the regional terrain support the foundation requirements for large solar arrays. Areas near existing electrical transmission infrastructure, particularly those along the main transportation corridors running through the region, present strategic advantages for solar development. The combination of favorable topography and proximity to grid connections makes these locations especially attractive for utility-scale solar projects that could serve both local and regional energy demands.Brazil solar PV Stats as a country
Brazil ranks 13th in the world for cumulative solar PV capacity, with 13,708 total MW's of solar PV installed. This means that 2.50% of Brazil's total energy as a country comes from solar PV (that's 31st in the world). Each year Brazil is generating 64 Watts from solar PV per capita (Brazil ranks 47th in the world for solar PV Watts generated per capita). [source]
Are there incentives for businesses to install solar in Brazil?
Yes, there are several incentives for businesses wanting to install solar energy in Brazil. The Brazilian government offers a range of tax credits and other financial incentives to encourage the adoption of renewable energy sources such as solar power. These include reduced import taxes on solar equipment, accelerated depreciation of investments in renewable energy projects, and preferential financing from public banks. Additionally, some states offer additional incentives such as subsidies or grants for businesses that install solar systems.
Do you have more up to date information than this on incentives towards solar PV projects in Brazil? Please reach out to us and help us keep this information current. Thanks!
Citation Guide
Article Details for Citation
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Monday 11th of August 2025
Last Updated: Monday 11th of August 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.




