Formosa do Oeste, Brazil presents a reasonably good location for year-round solar energy generation, though with notable seasonal variations that potential solar installers should understand before making investment decisions.
Seasonal Solar Performance
The location experiences significant seasonal fluctuations in solar energy output. Summer delivers the strongest performance at 7.14 kWh per day per kW of installed capacity, making it the prime season for solar generation. Spring follows as the second-best period with 6.09 kWh daily output, while autumn drops to 5.41 kWh per day. Winter represents the challenging period, producing only 4.08 kWh daily per kW installed. This seasonal pattern means solar systems will generate approximately 75% more energy during peak summer months compared to the winter low point. Property owners should plan their energy usage and storage accordingly, potentially installing battery systems to help balance out the winter production dip.Optimal Installation Configuration
For fixed solar panel installations at this location, the ideal tilt angle is 21 degrees facing North. This angle maximizes total annual energy production by optimizing the panels' exposure to sunlight throughout the year's varying sun positions.Environmental and Weather Considerations
Several local factors could potentially impact solar energy production in this subtropical Brazilian location:- Heavy rainfall and storms: The subtropical climate can bring intense rainfall periods and severe weather that may temporarily reduce solar output and potentially damage equipment
- High humidity levels: Persistent moisture can lead to faster degradation of electrical components and reduced panel efficiency over time
- Seasonal cloud cover: Extended cloudy periods, particularly during winter months, contribute to the significant seasonal production variations
Preventative Installation Measures
To maximize energy production despite these environmental challenges, several installation strategies prove beneficial: Proper drainage systems around solar installations prevent water accumulation that could damage electrical components. Installing panels with adequate ventilation space underneath helps combat humidity-related efficiency losses by allowing air circulation to cool the equipment. Using marine-grade wiring and corrosion-resistant mounting hardware specifically designed for humid subtropical conditions extends system lifespan. Regular cleaning schedules become particularly important during dusty or pollen-heavy seasons to maintain optimal panel efficiency. Storm-resistant mounting systems rated for high winds provide essential protection during severe weather events common to the region. Additionally, installing monitoring systems allows for quick identification of performance issues caused by environmental factors.Note: The Southern Sub Tropics extend from -23.5° latitude South down to -35° latitude.
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 Formosa Do Oeste
Seasonal solar PV output for Latitude: -24.3096, Longitude: -53.3236 (Formosa Do Oeste, 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 Formosa Do Oeste, Brazil
To maximize your solar PV system's energy output in Formosa Do Oeste, Brazil (Lat/Long -24.3096, -53.3236) 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 Formosa Do Oeste, 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 Formosa Do Oeste, 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 |
|---|---|---|---|
| 8° North in Summer | 30° North in Autumn | 40° North in Winter | 17° 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 Formosa Do Oeste, 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 Formosa Do Oeste, 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 Formosa Do Oeste, Brazil
Topographical Features of Formosa do Oeste Region
The area surrounding Formosa do Oeste in western Paraná state is characterized by gently rolling hills and relatively flat terrain typical of the Paraná Plateau. This region sits at an elevation of approximately 400 to 500 meters above sea level, forming part of the broader highland area that extends across much of southern Brazil. The landscape consists primarily of undulating plains with gradual slopes and wide valleys, creating an overall topography that is neither mountainous nor completely flat. The terrain in this part of Paraná has been shaped by ancient volcanic activity and subsequent erosion, resulting in fertile soils and gentle gradients. Most of the land features slopes of less than 15 degrees, with occasional steeper inclines along valley edges and ridge lines. The area is drained by several small rivers and streams that flow westward toward the Paraná River basin, creating shallow valleys that break up the otherwise consistent elevation patterns.Agricultural Landscape and Land Use
The region around Formosa do Oeste is predominantly agricultural, with extensive areas converted from original Atlantic Forest and Cerrado vegetation to farmland. Large mechanized farms dominate the landscape, growing soybeans, corn, and other crops in expansive fields that can stretch for kilometers. This agricultural development has created vast open spaces with minimal tree cover, interrupted occasionally by small woodlots and riparian forests along waterways. The existing land use patterns have resulted in excellent visibility across the terrain, with few natural obstructions to block sunlight throughout the day. The agricultural nature of the region also means that much of the land has already been cleared and leveled to some degree, reducing the preparation work that would be needed for large infrastructure projects.Optimal Areas for Large-Scale Solar Development
The most suitable locations for extensive solar photovoltaic installations would be the broad, gently sloping plateaus that extend across the northern and eastern portions of the region. These areas offer consistent elevations with minimal variation, reducing the complexity and cost of site preparation. The gradual south-facing slopes found throughout much of this terrain would be particularly advantageous for solar panel positioning in the Southern Hemisphere. Areas with slopes between 2 and 8 degrees would be ideal, as they provide sufficient drainage while maintaining relatively simple installation requirements. The extensive agricultural fields that currently dominate these locations could potentially be converted to solar farms, particularly in areas where the soil quality may be less optimal for crop production. The flatter valley floors, while offering easy access and level ground, might be less suitable due to potential drainage issues during the region's wet season and the possibility of morning fog accumulation. The higher plateau areas would generally provide better air circulation and more consistent atmospheric conditions throughout the year.Infrastructure and Access Considerations
The agricultural development of the region has resulted in an extensive network of rural roads and farm tracks that provide access to most areas. The proximity to major transportation corridors, including highways connecting to larger cities in Paraná, would facilitate the movement of equipment and materials needed for large-scale solar installations. The relatively flat terrain and existing road infrastructure would significantly reduce the logistical challenges typically associated with renewable energy projects in more remote or mountainous regions. Power transmission infrastructure already exists throughout the area to serve agricultural operations and rural communities, potentially providing connection points for solar facilities. Areas closest to existing electrical substations and transmission lines would offer the most practical advantages for solar development, minimizing the need for extensive new transmission infrastructure while taking advantage of the region's favorable topographical conditions.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: Sunday 20th of July 2025
Last Updated: Thursday 7th 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.




