Salto da Divisa, Brazil represents an excellent location for year-round solar energy generation. Located in the tropical region at coordinates -16.0859, -40.0449, this area benefits from consistent sunlight throughout most of the year, with seasons typically defined by wet and dry periods rather than significant temperature variations.
Solar Energy Production Performance
The solar energy output data for Salto da Divisa demonstrates remarkably consistent performance across most seasons. Summer, autumn, and spring all deliver nearly identical production levels at 5.76, 5.73, and 5.75 kWh per day per kW of installed solar capacity respectively. Winter shows a notable decrease to 4.46 kWh per day per kW, representing about 22% less production compared to the peak seasons. The optimal times for solar generation at this location are clearly during summer, autumn, and spring months, when production remains consistently high. Even the winter period, while lower, still provides substantial energy output that makes year-round solar installation highly viable. For maximum energy production from a fixed panel installation at Salto da Divisa, solar panels should be tilted at 15 degrees facing north. This angle has been calculated to optimize total annual solar output by accounting for the sun's path throughout the year and the location's specific latitude.Environmental and Weather Challenges
Several local factors could potentially impact solar energy production at this tropical location:- Seasonal rainfall patterns: The wet season typical of tropical climates can reduce solar output due to increased cloud cover and frequent precipitation
- High humidity levels: Persistent moisture in the air can create haze and reduce solar irradiance reaching the panels
- Dust and debris accumulation: The combination of dry periods followed by wet seasons can lead to dirt buildup on panel surfaces
- Tropical storms: Intense weather events common in tropical regions could damage installations or reduce production during storm periods
Preventative Measures for Optimal Performance
To maximize solar energy production despite these challenges, several installation strategies should be implemented. Regular cleaning schedules become particularly important in this climate, with panels requiring more frequent maintenance during transition periods between wet and dry seasons. Installing panels at the recommended 15-degree tilt angle not only optimizes sun exposure but also helps with natural rainwater cleaning and prevents water pooling. Robust mounting systems designed to withstand tropical weather conditions, including high winds and heavy rainfall, are essential. Additionally, incorporating monitoring systems can help identify when weather-related production drops require attention or maintenance intervention. The consistently high solar output during three of the four seasons, combined with reasonable winter production, makes Salto da Divisa an attractive location for solar energy investment despite the environmental challenges typical of tropical climates.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 Salto Da Divisa
Seasonal solar PV output for Latitude: -16.0859, Longitude: -40.0449 (Salto Da Divisa, 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 15° North in Salto Da Divisa, Brazil
To maximize your solar PV system's energy output in Salto Da Divisa, Brazil (Lat/Long -16.0859, -40.0449) throughout the year, you should tilt your panels at an angle of 15° 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 Salto Da Divisa, 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 Salto Da Divisa, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 15° North tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 0° in Summer | 22° North in Autumn | 32° North in Winter | 10° 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 Salto Da Divisa, 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 Salto Da Divisa, 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 Salto Da Divisa, Brazil
Topographical Features of Salto da Divisa Region
Salto da Divisa sits in the eastern region of Minas Gerais state, near the border with Bahia, within the transition zone between the Atlantic Forest and Caatinga biomes. The landscape around this municipality is characterized by rolling hills and gentle undulations typical of the Brazilian Shield geology. The terrain features a mix of moderate elevations with valleys carved by seasonal watercourses that flow toward the Jequitinhonha River system.
The region displays a semi-arid climate influence, particularly evident in the vegetation patterns and soil composition. Rocky outcrops are common throughout the area, interspersed with areas of exposed crystalline basement rock. The topography generally slopes from west to east, following the natural drainage patterns toward the Atlantic Ocean. Elevation changes are typically gradual rather than steep, with most areas falling between 200 and 600 meters above sea level.
The landscape includes patches of degraded Atlantic Forest remnants on higher ground, while lower elevations and more exposed areas show characteristics of the dry Caatinga scrubland. Seasonal streams create small valleys and depressions in the terrain, though much of the surrounding area consists of relatively flat to gently sloping plateaus and hillsides.
Optimal Areas for Large-Scale Solar Development
The most promising locations for extensive solar photovoltaic installations lie on the elevated plateaus and gentle south-facing slopes that dominate the landscape east and southeast of Salto da Divisa. These areas offer several advantages including relatively flat terrain that minimizes grading costs and reduces shading between panel rows. The crystalline bedrock underlying much of this region provides excellent foundation stability for mounting systems.
The higher elevation areas, particularly those with minimal tree cover and sparse vegetation, present ideal conditions for solar development. These locations typically feature well-drained soils and reduced risk of flooding during the rainy season. The natural clearing of vegetation in semi-arid zones means lower environmental impact and reduced land preparation costs compared to forested areas.
Areas with gentle slopes facing south or southwest would be particularly well-suited, as the natural terrain angle can be incorporated into the panel mounting design. The region's extensive areas of exposed or lightly vegetated land reduce the complexity of environmental permitting compared to locations with dense forest cover.
Transportation access represents another crucial factor, and the flatter terrain near existing road networks would facilitate construction logistics and ongoing maintenance operations. The areas closest to existing electrical transmission infrastructure would also provide cost advantages for grid connection, making sites within reasonable distance of the BR-342 highway corridor particularly attractive for development.
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 18th 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.




