Itamarati de Minas, Brazil presents a reasonably good location for year-round solar energy generation, though it experiences notable seasonal variations in output. Located in the tropics at coordinates -21.4168, -42.834, this area benefits from consistent sunlight throughout most of the year, with seasons typically defined by wet and dry periods rather than extreme temperature changes.
Seasonal Solar Performance
The solar energy output at this location varies considerably across the seasons. Summer delivers the highest production at 6.45 kWh per day for each kilowatt of installed solar capacity. Spring follows as the second-best season with 5.17 kWh/day per kW, while autumn generates 5.40 kWh/day per kW. Winter shows the lowest output at 4.49 kWh/day per kW. This seasonal pattern means that summer and spring represent the ideal times for solar generation at Itamarati de Minas, with summer producing nearly 44% more energy than the winter months. The annual average performance remains solid, making this location viable for consistent solar energy production throughout the year. For optimal performance with a fixed panel installation at this location, solar panels should be tilted at 20 degrees facing north. This angle maximizes total year-round production by accounting for the sun's varying position throughout the seasons and the area's specific latitude.Environmental and Weather Challenges
Several local factors could potentially impact solar energy production at Itamarati de Minas:- Wet season impacts: The tropical wet season can bring heavy rainfall, high humidity, and increased cloud cover, which directly reduces solar irradiance reaching the panels
- Dust and debris accumulation: During dry periods, dust buildup on panel surfaces can significantly reduce energy output
- High humidity effects: Persistent moisture can lead to corrosion of electrical components and reduced system efficiency over time
- Extreme weather events: Tropical storms or hail can potentially damage solar installations
Preventative Installation Measures
To maximize energy production despite these challenges, several preventative measures should be implemented during installation: Regular cleaning systems or easily accessible panel layouts help address dust accumulation during dry seasons. Installing panels with adequate spacing allows for proper air circulation, reducing moisture-related issues and helping prevent overheating. Using marine-grade or tropical-rated electrical components and junction boxes provides better protection against humidity and corrosion. Proper drainage systems around the installation site prevent water pooling during heavy rains. Robust mounting systems designed to withstand high winds and potential storm conditions ensure long-term durability. Additionally, implementing monitoring systems allows for quick identification of performance issues related to weather impacts. With proper installation techniques and preventative measures, Itamarati de Minas can provide reliable solar energy generation year-round, despite the seasonal variations and tropical weather challenges.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 Itamarati De Minas
Seasonal solar PV output for Latitude: -21.4168, Longitude: -42.834 (Itamarati 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:
 
Ideally tilt fixed solar panels 20° North in Itamarati De Minas, Brazil
To maximize your solar PV system's energy output in Itamarati De Minas, Brazil (Lat/Long -21.4168, -42.834) throughout the year, you should tilt your panels at an angle of 20° 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 Itamarati 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 Itamarati De Minas, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 20° North tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 5° North in Summer | 27° North in Autumn | 37° North in Winter | 15° 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 Itamarati 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 Itamarati De Minas, 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 Itamarati De Minas, Brazil
Topographical Features of Itamarati de Minas
Itamarati de Minas sits within the southeastern highlands of Brazil, positioned in the state of Minas Gerais at an elevation of approximately 900 meters above sea level. The terrain around this municipality is characterized by rolling hills and gentle slopes that are typical of the Brazilian Highlands plateau region. The landscape features a mix of moderately undulating terrain with occasional steeper inclines, creating a varied topographical profile that extends across the surrounding countryside. The area forms part of the broader Mantiqueira mountain range system, though the immediate vicinity of Itamarati de Minas itself experiences more moderate elevation changes compared to the dramatic peaks found elsewhere in the region. The local topography includes numerous small valleys and ridgelines that create a naturally varied landscape, with elevation differences typically ranging between 800 and 1,200 meters across the broader area. Agricultural activities have shaped much of the surrounding terrain, with many hillsides cleared for pasture and crop cultivation. The region's geology consists primarily of crystalline rocks and weathered soils that have created relatively stable ground conditions across most of the area. Small streams and tributaries flow through the valleys, contributing to the natural drainage patterns that have helped form the current landscape over geological time.Optimal Areas for Large-Scale Solar Development
The most suitable locations for large-scale solar photovoltaic installations around Itamarati de Minas would be the gently sloping hillsides and plateau areas that face predominantly south, southeast, or southwest. These orientations provide optimal solar exposure throughout the day while the moderate slopes offer natural drainage and reduce the risk of water accumulation around solar panel installations. The elevated plateaus and broad ridgetops present particularly attractive opportunities for solar development, as these areas typically experience fewer shadows from surrounding terrain features and benefit from good air circulation that can help maintain optimal operating temperatures for photovoltaic equipment. The relatively stable geological conditions in these highland areas also provide solid foundations for mounting systems and electrical infrastructure. Areas with slopes between 5 and 15 degrees would be ideal, as they provide sufficient drainage while avoiding the excessive grading costs associated with steeper terrain. The cleared agricultural lands on these moderate slopes could be readily converted to solar installations with minimal environmental disruption, particularly in areas where existing farming activities have already established access roads and basic infrastructure. The valleys and lower-lying areas would generally be less suitable for large-scale solar development due to potential shading from surrounding hills, higher moisture levels, and possible drainage challenges during heavy rainfall periods. However, some of the broader valley floors with good southern exposure could still accommodate smaller solar installations if properly designed with appropriate drainage systems.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: Tuesday 22nd 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.
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.




