Nioaque, Mato Grosso do Sul, Brazil presents a moderately favorable location for year-round solar photovoltaic energy generation, though with notable seasonal variations that reflect its tropical climate patterns.
Seasonal Solar Performance
The solar energy output at this location shows significant seasonal fluctuation, with summer delivering the strongest performance at 6.98 kWh per day per installed kilowatt. Spring follows as the second-best season at 6.23 kWh/day per kW, while autumn drops to 5.53 kWh/day per kW. Winter presents the most challenging period for solar generation, producing only 4.38 kWh/day per kW. This seasonal pattern aligns well with Brazil's tropical climate, where the wet and dry seasons influence cloud cover and atmospheric conditions more than the length of daylight hours. The summer and spring months typically offer clearer skies and more intense solar radiation, making them the ideal times for maximum energy generation.Optimal Panel Configuration
For fixed panel installations at Nioaque, Mato Grosso do Sul, the ideal tilt angle is 19 degrees facing north to maximize total year-round solar production. This relatively shallow angle takes advantage of the location's proximity to the equator while optimizing for the sun's path throughout the year.Environmental and Weather Challenges
Several local factors could potentially impact solar energy production at this location:- Heavy rainfall during wet seasons can reduce solar irradiance and create extended periods of cloud cover
- High humidity levels typical of tropical climates may lead to moisture-related equipment issues
- Dust and debris accumulation during dry periods can significantly reduce panel efficiency
- Intense tropical storms and strong winds pose risks to panel mounting systems
Preventative Measures for Enhanced Performance
To maximize solar energy production despite these challenges, several installation strategies prove beneficial:- Install robust drainage systems and ensure proper panel spacing to prevent water pooling and allow adequate airflow
- Use corrosion-resistant mounting hardware and electrical components designed for high-humidity environments
- Implement regular cleaning schedules and consider self-cleaning panel coatings to combat dust buildup
- Design mounting systems to withstand high wind loads and consider adjustable mounts for seasonal optimization
- Install monitoring systems to quickly identify performance drops due to environmental factors
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 Nioaque
Seasonal solar PV output for Latitude: -21.1813, Longitude: -55.7613 (Nioaque, 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 19° North in Nioaque, Brazil
To maximize your solar PV system's energy output in Nioaque, Brazil (Lat/Long -21.1813, -55.7613) throughout the year, you should tilt your panels at an angle of 19° 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 Nioaque, 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 Nioaque, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 19° North tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 5° North in Summer | 27° North in Autumn | 37° North in Winter | 14° 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 Nioaque, 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 Nioaque, 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 Nioaque, Brazil
Topographical Features of the Nioaque Region
The landscape around Nioaque in Mato Grosso do Sul, Brazil, is characterized by gently rolling plains and low hills that form part of the broader Pantanal ecosystem's eastern edge. This region sits within the Paraguay River basin, where the terrain gradually transitions from the higher plateau areas to the east toward the vast wetlands of the Pantanal to the west. The elevation in the immediate vicinity of Nioaque ranges from approximately 300 to 500 meters above sea level, creating a moderately undulating topography with gentle slopes and broad valleys. The area features a mix of cerrado savanna and transitional forest vegetation, with scattered patches of gallery forest along the numerous small streams and seasonal waterways that drain toward the Paraguay River system. The soil composition consists primarily of well-drained sandy and clay-loam soils typical of the Brazilian cerrado, with some areas showing signs of seasonal flooding during the wet season due to the region's position on the periphery of the Pantanal floodplain.Drainage and Water Features
Several small rivers and streams traverse the landscape around Nioaque, including tributaries that eventually flow into the larger Paraguay River system. These waterways create natural drainage corridors that cut through the otherwise relatively flat terrain, forming shallow valleys and riparian zones. During the dry season, many of these smaller watercourses reduce to intermittent flows or isolated pools, while the wet season can bring temporary flooding to lower-lying areas. The presence of these water features creates a mosaic of slightly elevated areas separated by shallow depressions and seasonal wetlands. This pattern of drainage has shaped the local topography over time, creating subtle variations in elevation that influence both vegetation patterns and land use suitability across the region.Optimal Areas for Large-Scale Solar Development
The most suitable locations for extensive solar photovoltaic installations in the Nioaque area would be the elevated plateau sections and gently sloping hillsides that remain well-drained throughout the year. These areas, typically found on the higher ground between drainage corridors, offer stable foundations and minimal risk of seasonal flooding. The gradual south-facing slopes would be particularly advantageous for solar panel orientation in this southern hemisphere location. The broad, relatively flat areas of cerrado savanna present excellent opportunities for large solar farms due to their minimal vegetation clearing requirements and naturally open character. These grassland areas often extend for considerable distances with only gentle undulations, making them ideal for the installation of extensive solar arrays with minimal grading or terrain modification. Areas to avoid for solar development would include the gallery forest zones along waterways, seasonal wetland areas, and the lower-lying sections prone to flooding during the wet season. The riparian corridors, while unsuitable for development, could serve as natural buffers and wildlife corridors within larger solar installations. The slightly higher ground adjacent to these protected zones would offer good development potential while maintaining appropriate environmental setbacks from sensitive water features.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: Friday 1st of August 2025
Last Updated: Friday 8th 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.
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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.




