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Flag of BrazilSolar PV Analysis of Mutum, Brazil

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

Mutum, Minas Gerais, Brazil presents a very good location for year-round solar energy generation, with consistently strong electricity production throughout all seasons. This tropical location benefits from reliable sunlight patterns that make solar PV installations highly effective.

Seasonal Solar Performance

The solar energy output at Mutum shows excellent consistency across the year. Summer delivers the highest production at 6.11kWh per day for each kW of installed solar capacity, followed by autumn at 5.57kWh/day. Even during the lowest-producing season of winter, the location still generates a respectable 4.44kWh/day per kW, while spring rebounds to 5.19kWh/day per kW.

This seasonal variation of only 1.67kWh difference between the best and worst months demonstrates remarkable stability compared to many other global locations. The ideal times for solar generation are summer and autumn, though the location maintains good productivity year-round.

Optimal Panel Configuration

For maximum year-round energy production at Mutum, Minas Gerais, solar panels 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 varying position throughout the year and the location's specific latitude.

Environmental Factors and Mitigation Strategies

Several environmental factors could potentially impact solar production at this tropical Brazilian location:

  • Heavy rainfall during wet seasons - Can reduce solar irradiance and create cloud cover
  • High humidity levels - May cause moisture-related equipment issues and reduce panel efficiency
  • Dust and debris accumulation - Particularly during dry periods, can coat panels and reduce output
  • Tropical storms - Potential for severe weather events that could damage installations

To maximize energy production despite these challenges, several preventative measures should be implemented. Regular panel cleaning schedules become essential, particularly during dry seasons when dust accumulation peaks. Installing panels with adequate drainage and ventilation helps combat humidity-related issues.

Robust mounting systems designed for tropical conditions can withstand severe weather, while choosing panels with anti-reflective coatings and good low-light performance helps maintain output during cloudy periods. Proper electrical protection including surge suppressors protects against lightning damage common in tropical regions.

Despite these considerations, Mutum's consistent solar resource makes it an excellent location for solar PV installations when proper planning and maintenance protocols are followed.

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 Mutum

Seasonal solar PV output for Latitude: -19.9268, Longitude: -41.4484 (Mutum, 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 6.11kWh/day in Summer.
Autumn
Average 5.57kWh/day in Autumn.
Winter
Average 4.44kWh/day in Winter.
Spring
Average 5.19kWh/day in Spring.

 

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

To maximize your solar PV system's energy output in Mutum, Brazil (Lat/Long -19.9268, -41.4484) 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: -19.9268, Longitude: -41.4484, the ideal angle to tilt panels is 19° North

Seasonally adjusted solar panel tilt angles for Mutum, 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 Mutum, 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 25° North in Autumn 35° 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 Mutum, Brazil as follows: In Summer, set the angle of your panels to 4° facing North. In Autumn, tilt panels to 25° facing North for maximum generation. During Winter, adjust your solar panels to a 35° 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 Mutum, 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 Mutum, 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 Mutum, 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 Mutum, Brazil

Topographical Features Around Mutum

The region surrounding Mutum in southeastern Minas Gerais displays the characteristic rolling terrain of the Brazilian Highlands, part of the broader Atlantic Plateau system. This area sits within the Doce River basin, where the landscape consists primarily of undulating hills and gentle slopes that have been shaped by millions of years of weathering and erosion. The elevation varies moderately across the region, creating a series of rounded ridges and shallow valleys typical of this mature geological formation. The terrain around Mutum features predominantly sedimentary and metamorphic rock formations covered by weathered soils that support both natural vegetation and agricultural activities. The topography includes numerous small streams and tributaries that flow toward the larger Doce River system, creating a network of shallow drainage channels throughout the landscape. These waterways have carved gentle depressions in the terrain, but the overall relief remains relatively subdued compared to the more dramatic mountain ranges found elsewhere in Minas Gerais.

Vegetation and Land Use Patterns

The natural vegetation in this region represents a transition zone between the Atlantic Forest remnants and Cerrado savanna, though much of the original forest cover has been converted to agricultural use over the past century. The remaining forested areas tend to concentrate along stream corridors and steeper slopes, while the gentler terrain supports cattle ranching and crop cultivation. This mixed land use pattern creates a mosaic of open fields, scattered forest patches, and rural settlements connected by a network of local roads. The climate influence on the landscape is evident in the seasonal patterns of vegetation growth and agricultural cycles. The region experiences distinct wet and dry seasons, which affect both the appearance of the terrain and the suitability of different areas for various land uses throughout the year.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for extensive solar photovoltaic installations in the Mutum area would be the broad, gently sloping plateaus and ridge tops that characterize much of the regional topography. These elevated areas typically offer several advantages for solar development, including relatively flat terrain that minimizes grading requirements and construction costs, while providing good drainage and reduced risk of flooding during the rainy season. The rolling hills with south-facing slopes would be particularly advantageous for solar panel orientation, allowing for optimal positioning to capture maximum solar radiation throughout the day. These areas often have fewer trees and less dense vegetation, reducing the need for extensive land clearing operations. The existing agricultural lands, particularly those used for cattle grazing, could potentially be converted to solar use with minimal environmental disruption. Areas near existing electrical infrastructure and road networks would offer additional practical advantages for large-scale solar development. The relatively gentle topography throughout much of the region means that transmission lines and access roads could be constructed without excessive engineering challenges or environmental impact.

Terrain Considerations and Constraints

While much of the area around Mutum presents favorable conditions for solar development, certain topographical features would need careful consideration. The numerous small streams and drainage channels that cross the landscape would require appropriate setbacks and stormwater management systems. Areas with steeper slopes, while less common in this region, would present challenges for solar panel installation and maintenance access. The seasonal flooding potential of lower-lying areas near waterways would make these locations less suitable for permanent solar installations. Similarly, areas with particularly dense forest cover or high conservation value would likely face regulatory restrictions that could complicate large-scale development projects. The existing pattern of rural settlements and agricultural infrastructure creates a patchwork of land ownership that could influence the feasibility of assembling large contiguous parcels suitable for utility-scale solar projects. However, the generally open nature of the landscape and the prevalence of larger agricultural properties in the region suggest that suitable sites could be identified and developed with appropriate planning and coordination with local landowners.

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 Mutum, Brazil
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Tuesday 5th of August 2025
Last Updated: Friday 8th of August 2025

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