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Flag of BrazilSolar PV Analysis of Fronteira, Brazil

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

Fronteira, Minas Gerais, Brazil presents a very good location for year-round solar energy generation, with consistent performance across all seasons due to its tropical climate. The location delivers reliable solar output throughout the year, making it an attractive option for solar PV installations.

Seasonal Solar Performance

The solar energy production at Fronteira shows excellent consistency compared to many other global locations. Summer delivers the highest output at 7.01 kWh per day per kW of installed capacity, while winter represents the lowest production period at 5.16 kWh per day per kW. Spring and autumn provide solid intermediate performance at 6.50 and 5.80 kWh per day per kW respectively. The ideal times for solar generation follow this seasonal pattern, with summer being the peak production period, followed by spring, autumn, and winter. However, even the winter months maintain reasonably strong output, with production only dropping about 26% compared to summer peaks.

Optimal Panel Installation

For maximum year-round energy production, solar panels at Fronteira should be installed at a fixed tilt angle of 19 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 and weighting for daily solar potential.

Environmental and Weather Considerations

Several local factors could potentially impact solar production at this tropical location:
  • Seasonal rainfall patterns - The wet/dry seasonal cycle typical of tropical regions means extended periods of cloud cover and rain during wet seasons
  • High humidity levels - Can reduce solar panel efficiency and create more frequent condensation issues
  • Dust accumulation - Dry seasons may lead to significant dust buildup on panel surfaces
  • Intense UV exposure - Consistent strong sunlight can accelerate panel degradation over time

Preventative Measures for Optimal Performance

To maximize energy production despite these challenges, several installation strategies should be considered: Regular cleaning schedules become essential, particularly during and after dry seasons when dust accumulation peaks. Installing panels with adequate spacing allows for proper air circulation, helping to manage heat buildup and humidity effects. High-quality mounting systems designed for tropical conditions will better withstand the intense UV exposure and potential weather extremes. Choosing solar panels with robust anti-reflective coatings and superior weather sealing will help maintain long-term performance. Proper drainage design around installations prevents water pooling during heavy rains, while strategic positioning can take advantage of natural rainfall for panel cleaning during wet seasons. Overall, Fronteira's consistent tropical sunlight makes it an excellent location for solar energy generation, with the seasonal variation being relatively modest and predictable.

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 Fronteira

Seasonal solar PV output for Latitude: -20.2228, Longitude: -49.1764 (Fronteira, 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 7.01kWh/day in Summer.
Autumn
Average 5.80kWh/day in Autumn.
Winter
Average 5.16kWh/day in Winter.
Spring
Average 6.50kWh/day in Spring.

 

Ideally tilt fixed solar panels 19° North in Fronteira, Brazil

To maximize your solar PV system's energy output in Fronteira, Brazil (Lat/Long -20.2228, -49.1764) 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.

The sun
At Latitude: -20.2228, Longitude: -49.1764, the ideal angle to tilt panels is 19° North

Seasonally adjusted solar panel tilt angles for Fronteira, 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 Fronteira, 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
4° North in Summer 26° North in Autumn 36° North in Winter 14° 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 Fronteira, Brazil as follows: In Summer, set the angle of your panels to 4° facing North. In Autumn, tilt panels to 26° facing North for maximum generation. During Winter, adjust your solar panels to a 36° angle towards the North for optimal energy production. Lastly, in Spring, position your panels at a 14° angle facing North to capture the most solar energy in Fronteira, 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 Fronteira, 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 Fronteira, 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 Fronteira, Brazil

Topographical Features of the Fronteira Region

Fronteira sits in the western portion of Minas Gerais state, positioned within the distinctive landscape of the Brazilian Highlands. The terrain around this municipality is characterized by gently rolling hills and plateaus that form part of the broader Cerrado savanna ecosystem. The elevation in the immediate vicinity ranges from approximately 400 to 600 meters above sea level, creating a moderately undulating landscape that transitions gradually between higher and lower ground.

The region displays the typical features of the Cerrado biome, with expansive areas of grassland interspersed with gallery forests along watercourses. The topography is generally stable, without dramatic elevation changes or steep mountainous terrain. This creates broad, open spaces with gentle slopes that extend across much of the surrounding countryside. The soil composition consists primarily of well-drained lateritic soils typical of the Brazilian Highlands, which have formed over ancient crystalline bedrock.

Water features in the area include several seasonal streams and small rivers that have carved shallow valleys through the landscape. These waterways generally flow in a northwestern direction, eventually joining larger tributary systems that feed into the Rio Grande basin. The drainage patterns have created a network of gentle valleys separated by low ridges and broad interfluves.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for extensive solar photovoltaic installations would be found on the elevated plateau areas and gentle ridge tops that dominate the landscape around Fronteira. These higher elevation zones offer several advantages for solar development, including minimal shading from surrounding terrain and excellent exposure to prevailing weather patterns.

The broad, relatively flat areas between the shallow valleys present ideal conditions for large solar arrays. These locations typically feature gradual slopes of less than five degrees, which facilitate both construction and maintenance access while providing optimal panel orientation. The stable geological conditions of the crystalline basement rocks beneath the lateritic soil profile offer solid foundations for mounting systems and infrastructure.

Areas located away from the gallery forests and riparian zones would be most appropriate for development, as these locations avoid sensitive ecological corridors while taking advantage of the more open Cerrado grassland environments. The consistent topography across much of the region means that suitable sites are distributed widely throughout the area, allowing developers flexibility in selecting locations based on factors such as grid connectivity and land availability.

The gentle nature of the terrain also facilitates the construction of access roads and transmission infrastructure necessary for large-scale solar projects. The absence of significant topographical barriers means that electrical interconnection with existing grid infrastructure can be achieved with relatively straightforward routing of transmission lines across the landscape.

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 Fronteira, Brazil
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.

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