Solar Energy Potential in Floresta do Araguaia, Brazil
Floresta do Araguaia in Brazil offers excellent conditions for solar energy production throughout the year. Located in the tropics at latitude -7.5817 and longitude -49.5286, this location benefits from consistent sunlight patterns typical of tropical regions, where seasonal changes are more defined by wet and dry periods rather than significant variations in daylight duration. The solar electricity generation potential at this location shows strong performance across all seasons. During summer, each kilowatt of installed solar capacity produces an average of 5.17 kWh per day. This output increases slightly in autumn to 5.49 kWh per day. Winter actually represents the peak production season with an impressive 6.34 kWh per day, while spring delivers a robust 5.62 kWh per day.Optimal Installation Configuration
For fixed solar panel installations in Floresta do Araguaia, the ideal tilt angle to maximize year-round energy production is 9 degrees facing North. This specific angle has been determined through calculations that account for the location's latitude, daily solar elevation angles, and the Earth's elliptical orbit. Winter stands out as the most productive season for solar generation in this location, making it an excellent time for energy-intensive activities. The relatively consistent output across all seasons makes this location particularly valuable for year-round solar applications, as there is no significant "low season" that would require substantial backup power solutions.Environmental Considerations
Several environmental factors could potentially impact solar production in Floresta do Araguaia:- Heavy rainfall during the wet season can reduce solar efficiency due to cloud cover and panel soiling
- High humidity levels may cause accelerated degradation of electrical components if not properly protected
- Potential dust accumulation during the dry season can gradually reduce panel efficiency
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 Floresta Do Araguaia
Seasonal solar PV output for Latitude: -7.5817, Longitude: -49.5286 (Floresta Do Araguaia, 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 9° North in Floresta Do Araguaia, Brazil
To maximize your solar PV system's energy output in Floresta Do Araguaia, Brazil (Lat/Long -7.5817, -49.5286) throughout the year, you should tilt your panels at an angle of 9° 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 Floresta Do Araguaia, 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 Floresta Do Araguaia, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 9° North tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 8° South in Summer | 14° North in Autumn | 23° North in Winter | 2° 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 Floresta Do Araguaia, 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 Floresta Do Araguaia, 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 Floresta Do Araguaia, Brazil
Floresta do Araguaia sits in the eastern portion of ParĂ¡ state in northern Brazil, nestled within the transition zone between the Amazon rainforest and the Cerrado savanna. The topography of this region is characterized by gently rolling plains and modest hills, with elevations generally ranging between 150 to 300 meters above sea level. The landscape surrounding Floresta do Araguaia features a mix of open grasslands, scattered woodlands, and gallery forests that follow the numerous waterways crisscrossing the region. The most prominent geographical feature is the Araguaia River, which forms part of the boundary between ParĂ¡ and neighboring Tocantins state. This mighty river has shaped the surrounding terrain through centuries of seasonal flooding and erosion, creating a network of smaller tributaries, streams, and seasonal wetlands.
Terrain Characteristics
The terrain around Floresta do Araguaia presents a relatively flat to undulating profile with occasional low hills. The soils are predominantly latosols (highly weathered, iron-rich soils typical of tropical regions) with varying degrees of fertility. The natural vegetation transitions between dense forest patches and more open areas, reflecting both the natural ecological gradient and human agricultural activities. During the rainy season (roughly November to April), parts of the lower-lying areas may experience temporary flooding, particularly in proximity to the Araguaia River and its tributaries. The higher ground remains dry year-round, creating a mosaic of microhabitats across the landscape.Optimal Areas for Solar PV Development
For large-scale solar photovoltaic installations, the most suitable areas near Floresta do Araguaia would be the elevated plateaus and gently sloping terrains that feature minimal tree cover. These areas offer several advantages: The slightly elevated plains to the east and northeast of the municipality provide excellent terrain for solar development. These areas typically have good drainage, reduced risk of flooding, and sufficient space for extensive arrays. The natural clearings in the Cerrado-type vegetation reduce the need for extensive land clearing. The gradual slopes facing northward (away from the equator, in this southern hemisphere location) would be particularly advantageous as they naturally optimize solar exposure throughout the day. The region's position relatively close to the equator means that solar panels would receive substantial direct sunlight with proper placement. Areas that maintain distance from the Araguaia River and its major tributaries would minimize flood risk while still allowing access to water resources needed for maintenance operations. The relatively stable soil composition in these higher areas also provides good foundation conditions for mounting structures. The agricultural regions that have already been cleared for cattle ranching or crop production present opportunities for dual-use solar development, potentially allowing for continued agricultural activities beneath or between solar arrays, maximizing land productivity.Topographical Challenges
Despite the generally favorable terrain, certain topographical features present challenges for solar development. The seasonal waterways and temporarily flooded lowlands would require careful avoidance or significant engineering solutions. During the wet season, access to some areas may become difficult without proper infrastructure development. The scattered forest patches, while important for ecological balance, would need to be navigated carefully in solar development plans to minimize environmental impact and comply with Brazil's forestry regulations, which often protect gallery forests and other sensitive vegetation types. The region's lateritic soils, while stable, can become extremely hard during dry periods and muddy during wet seasons, requiring appropriate foundation designs for solar mounting systems and careful planning of construction schedules. Overall, the topography around Floresta do Araguaia offers considerable potential for large-scale solar PV development, particularly in the higher, drier areas with natural clearings or existing agricultural modifications. With thoughtful site selection that accounts for the seasonal dynamics of the landscape, substantial areas could be utilized for renewable energy generation while respecting the region's unique ecological characteristics.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!
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Article Details for Citation
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Sunday 29th of June 2025
Last Updated: Monday 4th 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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