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Flag of BrazilSolar PV Analysis of Turmalina, Brazil

Graph of hourly avg kWh electricity output per kW of Solar PV installed in Turmalina, Brazil (by season)

Turmalina, Minas Gerais, Brazil presents an excellent location for year-round solar photovoltaic energy generation. Located in the tropical region at coordinates -17.2536, -42.8328, this area benefits from consistent sunlight throughout most of the year, with seasonal patterns typically defined by wet and dry periods rather than dramatic temperature variations.

Solar Energy Production Potential

The solar energy output data for Turmalina demonstrates strong and relatively consistent performance across all seasons. Summer delivers the highest production at 5.83 kWh per day per kW of installed solar capacity, while spring follows closely at 5.55 kWh per day per kW. Autumn maintains solid output at 5.47 kWh per day per kW, and even winter, the lowest-producing season, still generates a respectable 4.66 kWh per day per kW. The ideal times for solar generation at this location are during the summer and spring months, when output peaks above 5.5 kWh per day per kW. However, the relatively modest seasonal variation means that solar installations can maintain productive operation throughout the entire year, making this location highly suitable for consistent renewable energy generation.

Optimal Panel Configuration

For maximum year-round solar production at Turmalina, Minas Gerais, fixed solar panels should be tilted at 16 degrees facing north. This optimal angle is calculated by analyzing daily solar elevation angles at this latitude, determining daily optimal panel positioning, and weighting these angles based on photovoltaic potential using solar irradiance data while accounting for Earth's elliptical orbit.

Environmental and Weather Considerations

Several local factors could potentially impact solar production efficiency at this tropical location:
  • Seasonal rainfall patterns: The wet season typical of tropical climates can reduce solar irradiance through increased cloud cover and atmospheric moisture
  • High humidity levels: Persistent moisture in the air can create haze that diminishes direct sunlight reaching solar panels
  • Dust and particulate accumulation: Dry season conditions may lead to dust buildup on panel surfaces, reducing efficiency
  • Vegetation growth: The tropical climate supports rapid plant growth that could create shading issues if not properly managed

Preventative Installation Measures

To maximize energy production despite these environmental challenges, several installation strategies should be implemented:
  • Regular cleaning systems: Install automated cleaning mechanisms or establish frequent manual cleaning schedules to remove dust, pollen, and other debris
  • Proper site preparation: Clear vegetation adequately and maintain buffer zones around installations to prevent future shading from plant growth
  • Drainage considerations: Ensure proper site drainage to prevent water pooling that could damage equipment during heavy tropical rains
  • Ventilation design: Allow adequate airflow around panels to prevent overheating and moisture buildup that could reduce efficiency
  • Corrosion-resistant materials: Use equipment specifically rated for high-humidity tropical environments to ensure longevity
Despite these considerations, Turmalina's consistently strong solar output across all seasons makes it a highly favorable location for solar energy projects, with proper installation techniques easily addressing the tropical 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 Turmalina

Seasonal solar PV output for Latitude: -17.2536, Longitude: -42.8328 (Turmalina, 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:

Summer
Average 5.83kWh/day in Summer.
Autumn
Average 5.47kWh/day in Autumn.
Winter
Average 4.66kWh/day in Winter.
Spring
Average 5.55kWh/day in Spring.

 

Ideally tilt fixed solar panels 16° North in Turmalina, Brazil

To maximize your solar PV system's energy output in Turmalina, Brazil (Lat/Long -17.2536, -42.8328) throughout the year, you should tilt your panels at an angle of 16° 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.

The sun
At Latitude: -17.2536, Longitude: -42.8328, the ideal angle to tilt panels is 16° North

Seasonally adjusted solar panel tilt angles for Turmalina, 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 Turmalina, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 16° North tilt angle throughout the year.

Overall Best Summer Angle Overall Best Autumn Angle Overall Best Winter Angle Overall Best Spring Angle
1° North in Summer 23° North in Autumn 33° North in Winter 12° North in Spring

Assuming you can modify the tilt angle of your solar PV panels throughout the year, you can optimize your solar generation in Turmalina, Brazil as follows: In Summer, set the angle of your panels to 1° facing North. In Autumn, tilt panels to 23° facing North for maximum generation. During Winter, adjust your solar panels to a 33° angle towards the North for optimal energy production. Lastly, in Spring, position your panels at a 12° angle facing North to capture the most solar energy in Turmalina, Brazil.

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 Turmalina, 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 Turmalina, Brazil.

Our calculation method

  1. Solar Position:
    We determine the Sun's position on the Winter solstice using the location's latitude and solar declination.
  2. Shadow Projection:
    We calculate the shadow length cast by panels using trigonometry, considering panel tilt and the Sun's elevation angle.
  3. 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.






Please enter information above to calculate panel spacing.

Topography for solar PV around Turmalina, Brazil

Topography Around Turmalina

Turmalina sits in the northeastern region of Minas Gerais state, positioned within the Brazilian Highlands at an elevation of approximately 900 meters above sea level. The surrounding landscape is characterized by rolling hills and elevated plateaus that are typical of this part of the Serra do Espinhaço mountain range. The terrain consists of gently undulating countryside with moderate slopes, interspersed with flatter valley areas and occasional steeper ridgelines.

The region features a semi-arid climate with distinct wet and dry seasons, supporting primarily cerrado vegetation - a savanna-like ecosystem with scattered trees and shrubs over grassland. The soils are generally well-drained, consisting mainly of lateritic and sandy compositions that are common throughout this part of the Brazilian shield. Rocky outcrops and weathered granite formations appear throughout the landscape, contributing to the varied topographical character.

Water features in the area include seasonal streams and small rivers that flow toward the Jequitinhonha River basin. These waterways have carved gentle valleys through the landscape over geological time, creating a mosaic of elevated areas and lower-lying corridors. The vegetation becomes denser along these water courses, while the higher elevations tend to support more sparse plant communities adapted to the drier conditions.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for large-scale solar photovoltaic installations around Turmalina would be the elevated plateau areas and gently sloping hillsides that face north or northwest. These elevated positions benefit from consistent exposure to sunlight throughout the day while avoiding the shading effects that can occur in valley bottoms during early morning and late afternoon periods.

The flatter sections of the higher terrain offer particular advantages for solar development, as they require minimal grading and earthwork during construction. These areas typically have sparse vegetation that would be easier to clear and manage compared to the denser growth found in valley areas. The well-drained soils on these elevated sites also provide stable foundations for solar mounting systems while reducing concerns about flooding or waterlogging during the rainy season.

Areas with gentle south-facing slopes should generally be avoided, as they receive less direct sunlight in this southern hemisphere location. Similarly, the narrow valley bottoms, while potentially offering flat terrain, may experience morning and evening shading from surrounding hills and could be subject to fog formation or moisture accumulation that might affect solar panel performance.

The rocky plateau areas, despite requiring more careful site preparation, often present excellent opportunities for solar development due to their stable geological foundations and minimal vegetation. These locations typically offer unobstructed views of the sky and are less likely to experience the dust accumulation that can occur in lower-lying areas during dry periods.

Transportation access represents another important consideration, and the areas most suitable for solar development would be those elevated sites that remain accessible to the existing road network. The region's topography generally allows for reasonable access to most potential development sites, though some of the more remote hilltop locations might require additional infrastructure investment.

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

Article: Solar PV Analysis of Turmalina, Brazil
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Monday 21st of July 2025
Last Updated: Thursday 7th 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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