Mandaguari, Paraná, Brazil represents a very good location for year-round solar PV energy generation. Located in the tropics at coordinates -23.4853, -51.7204, this area benefits from consistent sunlight throughout most of the year, with seasons characterized more by wet and dry periods rather than dramatic temperature variations.
Seasonal Solar Performance
The solar energy output at Mandaguari shows strong performance across all seasons, though with notable variation. Summer delivers the highest production at 6.89 kWh per day per kW of installed solar capacity, making it the peak generation period. Spring follows as the second-best season with 6.07 kWh/day per kW, while autumn produces 5.43 kWh/day per kW. Winter shows the lowest output at 4.40 kWh/day per kW, though this still represents reasonable production levels. The best times for solar generation at this location are clearly summer and spring, when the combination of sun angle and weather conditions optimize energy production. Even during the lower-performing winter months, the tropical location ensures continued viable solar output.Optimal Panel Configuration
For maximum year-round energy production at Mandaguari, Paraná, 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 changing position throughout the year, Earth's elliptical orbit, and local solar irradiance patterns.Environmental and Weather Challenges
Several local factors could potentially impact solar production at this Brazilian location, though most can be effectively managed through proper installation practices. The tropical climate brings significant rainfall during wet seasons, which can reduce solar output during heavy downpours and create challenges with water accumulation on panels. Additionally, the humid environment may lead to faster accumulation of dust, pollen, and organic matter on panel surfaces, reducing efficiency over time. Brazil's tropical regions can experience intense thunderstorms with potential hail, strong winds, and lightning strikes. The humid conditions may also accelerate corrosion of mounting hardware and electrical components if not properly protected.Preventative Installation Measures
To maximize energy production despite these challenges, several installation strategies should be implemented:- Install panels with adequate tilt and smooth surfaces to promote natural cleaning during rain
- Use corrosion-resistant mounting materials such as anodized aluminum or stainless steel hardware
- Implement proper grounding and lightning protection systems due to thunderstorm activity
- Choose panels and inverters rated for high humidity and temperature variations
- Design mounting systems to withstand strong winds and potential hail impact
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 Mandaguari
Seasonal solar PV output for Latitude: -23.4853, Longitude: -51.7204 (Mandaguari, 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 Mandaguari, Brazil
To maximize your solar PV system's energy output in Mandaguari, Brazil (Lat/Long -23.4853, -51.7204) 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 Mandaguari, 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 Mandaguari, 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 | 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 Mandaguari, 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 Mandaguari, 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 Mandaguari, Brazil
Topographical Features Around Mandaguari
Mandaguari sits in the northern region of Paraná state, positioned within the gently rolling landscape characteristic of Brazil's southern plateau region. The terrain around this municipality features predominantly flat to gently undulating topography, with elevations typically ranging between 400 to 600 meters above sea level. This area forms part of the broader Paraná Basin, where ancient geological processes have created relatively stable, level ground that extends across much of the state.
The landscape is punctuated by shallow valleys carved by small streams and tributaries that eventually feed into larger river systems. These waterways create subtle variations in the otherwise consistent terrain, forming gentle slopes and modest ridgelines. The soil composition consists largely of fertile red earth known as terra roxa, which has been shaped by volcanic activity in the distant geological past.
Agricultural activities dominate the land use patterns surrounding Mandaguari, with extensive areas cleared for crop cultivation and pasture. The natural vegetation that once covered this region was primarily Atlantic Forest transitioning to Cerrado savanna, though most original forest cover has been replaced by farmland over the past century.
Optimal Areas for Large-Scale Solar Development
The relatively flat terrain extending north and northwest of Mandaguari presents excellent opportunities for large-scale solar photovoltaic installations. These areas offer the dual advantages of minimal topographical obstacles and reduced construction costs associated with ground preparation and equipment installation. The gentle slopes in these directions provide natural drainage while maintaining optimal panel positioning.
Areas to the east and southeast of the municipality also show strong potential, particularly where the landscape opens into broader, flatter expanses. These locations benefit from consistent terrain that would allow for efficient panel array layouts and simplified electrical infrastructure development. The existing agricultural land use in these areas suggests that soil conditions are stable and access roads are already established.
The western approaches to Mandaguari feature slightly more varied topography, but several plateau areas within this zone could accommodate substantial solar installations. These elevated, relatively flat sections would provide excellent exposure while remaining accessible for construction and maintenance activities.
Less suitable areas include the immediate vicinity of stream valleys and the more dissected terrain found in scattered pockets around the municipality. While these areas are not prohibitively challenging, they would require additional site preparation and potentially more complex foundation systems, making them less economically attractive for large-scale development compared to the abundant flat agricultural lands that characterize the broader region.
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 30th of June 2025
Last Updated: Tuesday 5th 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.




