Jandaia do Sul, Brazil presents a reasonably good location for year-round solar energy generation, though with notable seasonal variations that potential solar installers should understand.
Seasonal Solar Performance
The solar energy output at this Southern Sub Tropics location varies significantly throughout the year. Summer delivers the strongest performance at 6.89 kWh per day per kW of installed capacity, making it the peak season for solar generation. Spring follows as the second-best period with 6.07 kWh per day per kW, while autumn drops to 5.43 kWh per day per kW. Winter presents the most challenging period for solar generation, producing only 4.40 kWh per day per kW of installed capacity. This represents a 36% decrease compared to summer output, which is typical for locations in the Southern Hemisphere where winter coincides with reduced solar irradiance.Optimal Installation Configuration
For maximum year-round energy production at Jandaia do Sul, solar panels should be installed at a fixed tilt angle of 21 degrees facing North. This angle has been calculated to optimize total annual solar output by accounting for the sun's varying elevation throughout the year and weighting these angles according to daily photovoltaic potential based on solar irradiance data.Environmental and Weather Challenges
Several local factors in this region can potentially impact solar energy production:- Tropical storms and heavy rainfall: The subtropical climate brings intense seasonal rains that can reduce solar irradiance and potentially damage equipment
- High humidity levels: Persistent moisture can lead to corrosion of electrical components and reduced panel efficiency over time
- Agricultural dust and particulates: Being in a rural agricultural area, airborne soil and crop residues can accumulate on panel surfaces
- Temperature fluctuations: Significant seasonal temperature variations can stress solar equipment and affect performance
Preventative Installation Measures
To maximize energy production despite these challenges, several protective measures should be implemented:- Enhanced drainage systems: Install proper water management around solar arrays to prevent flooding and water damage during heavy rains
- Corrosion-resistant materials: Use marine-grade electrical components and galvanized or aluminum mounting systems to withstand high humidity
- Regular cleaning protocols: Establish routine panel cleaning schedules to remove dust, agricultural residues, and other debris that reduce efficiency
- Temperature management: Ensure adequate ventilation beneath panels and use temperature-rated components suitable for the local climate range
- Protective coatings: Apply anti-reflective and hydrophobic coatings to panel surfaces to improve performance and facilitate self-cleaning during rains
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 Jandaia Do Sul
Seasonal solar PV output for Latitude: -23.6254, Longitude: -51.6931 (Jandaia Do Sul, 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 Jandaia Do Sul, Brazil
To maximize your solar PV system's energy output in Jandaia Do Sul, Brazil (Lat/Long -23.6254, -51.6931) 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 Jandaia Do Sul, 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 Jandaia Do Sul, 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 | 29° North in Autumn | 39° 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 Jandaia Do Sul, 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 Jandaia Do Sul, 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 Jandaia Do Sul, Brazil
Topographical Features of Jandaia do Sul
Jandaia do Sul sits within the northern region of Paraná state in southern Brazil, positioned in an area characterized by gently rolling hills and relatively modest elevation changes. The terrain around this municipality forms part of the broader Paraná Plateau, which extends across much of the state's interior. The landscape consists primarily of undulating plains with gradual slopes, creating a topography that is neither mountainous nor completely flat. The elevation in and around Jandaia do Sul typically ranges from approximately 400 to 600 meters above sea level, with the terrain featuring gentle ridges and shallow valleys carved by small waterways over geological time. These modest elevation differences create a landscape of rolling countryside that is characteristic of much of northern Paraná's agricultural heartland. The region's topography has been significantly shaped by the underlying geological structure of the Paraná Basin, which consists largely of sedimentary rocks overlain by basaltic formations from ancient volcanic activity. This geological foundation has created relatively stable terrain with good drainage characteristics, as water naturally flows along the gentle gradients toward larger river systems in the area.Drainage Patterns and Water Features
The drainage network around Jandaia do Sul consists of numerous small streams and creeks that flow through the gently sloping terrain. These waterways generally follow the natural contours of the land, creating shallow valleys between the low ridges. The drainage pattern is dendritic, resembling the branching structure of a tree, which is typical for areas with relatively uniform rock types and gentle topographical relief. Most of the water in this region ultimately drains toward the Ivaí River system, which is part of the larger Paraná River basin. The presence of these waterways means that the landscape includes riparian zones and areas of slightly lower elevation along stream corridors, while the interfluves (areas between streams) represent the higher, better-drained portions of the terrain.Optimal Areas for Large-Scale Solar Development
The gently rolling topography around Jandaia do Sul presents several advantages for large-scale solar photovoltaic installations. The most suitable areas would be the elevated interfluves and gentle ridge tops that dominate the landscape. These locations offer the best combination of stable terrain, good drainage, and minimal shading from surrounding topographical features. The gradual slopes found throughout the region, typically ranging from nearly level to moderate gradients, are particularly well-suited for solar installations. These gentle inclines can actually be beneficial for solar panel placement, as slight southward-facing slopes can optimize sun exposure while allowing for natural drainage of rainwater. The relatively stable geological conditions also mean that foundation requirements for solar mounting systems would be straightforward in most locations. Areas to avoid for large-scale solar development would include the immediate vicinity of streams and waterways, where flood risk and environmental regulations might pose constraints. Additionally, the steeper portions of valley sides, while not particularly steep by mountain standards, might present challenges for equipment access and installation efficiency. The agricultural nature of much of the surrounding landscape means that large, relatively flat parcels of land are already cleared and accessible, which could facilitate solar development. The existing road network, developed to serve the agricultural economy, would likely provide adequate access for construction and maintenance of solar facilities. The absence of significant mountainous terrain or deeply incised valleys means that shading from topographical features would be minimal across most potential sites. This creates favorable conditions for solar installations, as panels would receive consistent exposure throughout the day without interference from nearby hills or ridges.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: Tuesday 1st of July 2025
Last Updated: Wednesday 6th 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.




