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Flag of BrazilSolar PV Analysis of Monte Alegre De Minas, Brazil

Graph of hourly avg kWh electricity output per kW of Solar PV installed in Monte Alegre De Minas, Brazil (by season)

Monte Alegre de Minas, Brazil represents an excellent location for year-round solar photovoltaic energy generation. Located in the tropics at coordinates -18.8176, -48.9141, this area benefits from consistent sunlight throughout most of the year, with seasonal variations characterized more by wet and dry periods rather than dramatic changes in solar availability.

Solar Energy Production Potential

The solar energy output data for Monte Alegre de Minas demonstrates strong and relatively consistent performance across all seasons. Summer provides the highest production at 6.71 kWh per day per kW of installed solar capacity, while winter shows the lowest output at 5.60 kWh per day per kW. Spring and autumn fall between these ranges at 6.29 kWh and 5.98 kWh respectively per kW of installed capacity. The variation between the best and worst performing seasons is only about 20%, which indicates excellent year-round solar potential. This consistency makes Monte Alegre de Minas highly suitable for solar installations, as energy production remains reliable throughout the year without dramatic seasonal dips that might affect system economics.

Optimal Panel Configuration

For fixed panel installations at this location, the ideal tilt angle to maximize total year-round solar production is 18 degrees North. This angle is calculated by analyzing daily solar elevation angles at the latitude, determining optimal daily panel tilts, and weighting these angles by daily photovoltaic potential using solar irradiance data while accounting for Earth's elliptical orbit.

Environmental and Weather Factors

Several environmental factors could potentially impact solar production at Monte Alegre de Minas, though the location's tropical climate generally favors solar energy generation. The most significant concern is the tropical wet season, which can bring increased cloud cover, heavy rainfall, and higher humidity levels. During wet periods, cloud cover can temporarily reduce solar irradiance, while heavy rains may leave water spots and debris on panel surfaces that reduce efficiency. High humidity levels common in tropical regions can lead to moisture-related issues over time, potentially affecting electrical components and connections. The combination of heat and moisture can also accelerate degradation of certain solar panel materials if not properly managed. Dust and debris accumulation may be more pronounced during dry seasons, particularly if the area experiences dusty conditions or agricultural activities that generate airborne particles.

Preventative Measures for Optimal Performance

Several installation strategies can help maximize solar energy production despite these environmental challenges:
  • Install panels with adequate spacing and ventilation to promote air circulation and reduce moisture buildup
  • Use high-quality mounting systems and electrical components rated for tropical climates with enhanced corrosion resistance
  • Implement regular cleaning schedules, particularly during and after wet seasons to remove water spots and debris
  • Consider panel coatings or treatments that help shed water and reduce dust accumulation
  • Ensure proper drainage around installations to prevent water pooling
Regular maintenance becomes particularly important in tropical locations like Monte Alegre de Minas. Establishing a routine inspection and cleaning program will help maintain optimal energy production throughout the year. Despite these considerations, the consistently strong solar output data indicates that Monte Alegre de Minas remains an ideal location for solar photovoltaic installations when proper installation practices and maintenance procedures 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 Monte Alegre De Minas

Seasonal solar PV output for Latitude: -18.8176, Longitude: -48.9141 (Monte Alegre De Minas, 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 6.71kWh/day in Summer.
Autumn
Average 5.98kWh/day in Autumn.
Winter
Average 5.60kWh/day in Winter.
Spring
Average 6.29kWh/day in Spring.

 

Ideally tilt fixed solar panels 18° North in Monte Alegre De Minas, Brazil

To maximize your solar PV system's energy output in Monte Alegre De Minas, Brazil (Lat/Long -18.8176, -48.9141) throughout the year, you should tilt your panels at an angle of 18° 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: -18.8176, Longitude: -48.9141, the ideal angle to tilt panels is 18° North

Seasonally adjusted solar panel tilt angles for Monte Alegre De Minas, 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 Monte Alegre De Minas, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 18° North tilt angle throughout the year.

Overall Best Summer Angle Overall Best Autumn Angle Overall Best Winter Angle Overall Best Spring Angle
3° North in Summer 25° North in Autumn 34° North in Winter 13° 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 Monte Alegre De Minas, Brazil as follows: In Summer, set the angle of your panels to 3° facing North. In Autumn, tilt panels to 25° facing North for maximum generation. During Winter, adjust your solar panels to a 34° angle towards the North for optimal energy production. Lastly, in Spring, position your panels at a 13° angle facing North to capture the most solar energy in Monte Alegre De Minas, 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 Monte Alegre De Minas, 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 Monte Alegre De Minas, 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 Monte Alegre De Minas, Brazil

Topography and Landscape

Monte Alegre de Minas sits in the western portion of Minas Gerais state, positioned within the Brazilian Highlands region. The terrain around this municipality is characterized by gently rolling hills and elevated plateaus, with elevations typically ranging between 800 and 1,200 meters above sea level. The landscape forms part of the broader Cerrado biome, featuring vast stretches of savanna-like vegetation interspersed with gallery forests along waterways. The topography is generally favorable for development, with moderate slopes that rarely exceed 15 degrees across most of the surrounding area. The region experiences a well-defined drainage pattern, with several small streams and tributaries flowing toward the larger ParanaĆ­ba River system to the west. These waterways have carved shallow valleys through the landscape, creating a mosaic of elevated ridges and gentle depressions. The soil composition consists primarily of well-drained latosols and oxisols, which are characteristic of the Brazilian Highlands. These deep, weathered soils support extensive agricultural activities, particularly cattle ranching and crop cultivation. The natural vegetation has been largely modified for agricultural use, resulting in an open landscape with scattered patches of native Cerrado woodland.

Climate and Environmental Conditions

The climate around Monte Alegre de Minas is classified as tropical savanna, with distinct wet and dry seasons. The dry season typically extends from May through September, featuring clear skies and minimal precipitation. During this period, the atmosphere remains relatively stable with low humidity levels, creating excellent conditions for solar energy generation. The wet season occurs from October through April, bringing increased cloud cover and regular afternoon thunderstorms. Despite the seasonal variation in precipitation, the region maintains favorable conditions for solar installations throughout much of the year. The elevated altitude contributes to cooler temperatures compared to lower-lying areas, which can actually benefit solar panel efficiency.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for extensive solar photovoltaic installations lie on the elevated plateaus and gentle slopes surrounding Monte Alegre de Minas. These areas offer several key advantages for solar development, including stable ground conditions, minimal shading from topographic features, and excellent accessibility for construction and maintenance activities. The broad, relatively flat areas to the north and east of the municipality present particularly attractive opportunities. These zones feature consistent elevations with gradual slopes that can be easily adapted for solar arrays. The existing agricultural infrastructure in these areas, including access roads and electrical connections, would facilitate the development of large-scale solar facilities. Areas along the higher ridges and plateau tops provide optimal exposure to solar radiation throughout the day, with minimal obstruction from surrounding terrain features. The well-drained soils in these locations reduce concerns about flooding or waterlogging that might affect ground-mounted solar installations. The southeastern quadrant of the region offers extensive areas of suitable terrain, where the topography remains relatively uniform across large distances. This consistency would allow for the development of substantial solar farms with standardized installation techniques and efficient layout designs. Locations with southern-facing slopes of 5 to 10 degrees would be particularly advantageous, as they maximize solar exposure while maintaining manageable construction conditions. The stable geological conditions throughout the region minimize concerns about ground settlement or other foundation-related issues that might affect long-term solar installations.

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 Monte Alegre De Minas, Brazil
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Saturday 26th 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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