Rio Pardo de Minas, Brazil presents an excellent location for year-round solar energy generation. This tropical location benefits from consistent sunlight throughout most of the year, with seasons characterized more by wet and dry periods rather than significant variations in solar availability.
Solar Energy Production Performance
The solar energy output data shows this location delivers strong performance across all seasons. Spring produces the highest energy output at 6.32kWh per day per kW of installed solar capacity, followed closely by summer at 6.14kWh/day. Even during the lowest production period in winter, the location still generates a respectable 5.33kWh/day per kW, while autumn maintains good output at 5.92kWh/day. This relatively modest seasonal variation demonstrates the location's reliability for solar energy production. The difference between the best and worst performing seasons is less than 1kWh per day per kW, indicating consistent energy generation potential throughout the year.Optimal Installation Configuration
For maximum year-round solar production at Rio Pardo de Minas, fixed solar panels should be tilted at 15 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 using solar irradiance data while accounting for Earth's elliptical orbit around the sun.Environmental and Weather Considerations
Several local factors could potentially impact solar energy production at this tropical location:- Wet season impacts: Heavy rainfall and increased cloud cover during wet seasons can reduce solar irradiance and energy output
- Dust and debris accumulation: Dry seasons may lead to dust buildup on panels, reducing efficiency
- High humidity: Tropical humidity can affect equipment performance and longevity
- Vegetation growth: Rapid plant growth in tropical climates may create shading issues
Preventative Measures for Optimal Performance
To maximize solar energy production despite these challenges, several installation strategies should be considered. Regular panel cleaning schedules become particularly important during dry seasons to remove dust accumulation. Installing panels with adequate spacing and ventilation helps combat humidity-related issues and allows for proper airflow. Proper drainage systems around solar installations prevent water pooling during heavy rains. Vegetation management through regular trimming and strategic placement of panels away from fast-growing trees helps maintain unobstructed sun exposure. Using high-quality mounting systems designed for tropical climates ensures equipment durability against humidity and temperature variations. Additionally, implementing monitoring systems allows for quick identification of performance issues related to weather or environmental factors. Overall, Rio Pardo de Minas offers favorable conditions for solar energy generation, with manageable environmental challenges that can be effectively addressed through proper installation planning and maintenance practices.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 Rio Pardo De Minas
Seasonal solar PV output for Latitude: -15.73, Longitude: -42.5732 (Rio Pardo 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 15° North in Rio Pardo De Minas, Brazil
To maximize your solar PV system's energy output in Rio Pardo De Minas, Brazil (Lat/Long -15.73, -42.5732) throughout the year, you should tilt your panels at an angle of 15° 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 Rio Pardo 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 Rio Pardo De Minas, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 15° North tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 0° in Summer | 22° North in Autumn | 31° North in Winter | 10° 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 Rio Pardo 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 Rio Pardo 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 Rio Pardo De Minas, Brazil
Topographical Features of Rio Pardo de Minas
Rio Pardo de Minas sits in the northern region of Minas Gerais state, positioned within the Brazilian highlands at an elevation of approximately 800 meters above sea level. The landscape around this municipality is characterized by rolling hills and gentle slopes that form part of the broader Espinhaço Mountain Range system. The terrain exhibits a mix of elevated plateaus and shallow valleys, creating a moderately undulating topography that is neither extremely mountainous nor completely flat. The region experiences a semi-arid climate typical of the transition zone between the Atlantic Forest and Caatinga biomes. The surrounding countryside features scattered vegetation including drought-resistant shrubs and sparse tree cover, with areas of exposed rocky outcrops and weathered granite formations. The soil composition varies from sandy to clay-rich deposits, with significant portions showing signs of the characteristic red earth common throughout Minas Gerais.Drainage and Water Features
The area is drained by several seasonal streams and small rivers that flow generally eastward toward the Jequitinhonha River basin. These waterways create modest valleys and depressions in the landscape, though none are particularly deep or steep. During the dry season, many of these water courses reduce to intermittent flows or dry beds, leaving behind relatively flat valley floors that could potentially accommodate development projects. The Rio Pardo itself, from which the municipality takes its name, meanders through the region creating a natural corridor of slightly lower elevation. The river's path has carved gentle banks and created some of the flatter terrain in the immediate vicinity.Optimal Areas for Large-Scale Solar Development
The most suitable locations for large-scale solar photovoltaic installations would be the elevated plateaus and mesa-like formations found to the west and southwest of the town center. These areas offer relatively flat or gently sloping terrain with minimal vegetation cover and excellent exposure to prevailing weather patterns. The higher elevations also provide natural drainage advantages and reduced risk of flooding during occasional heavy rainfall periods. The broad valley floors along the seasonal waterways present another attractive option for solar development. These areas have already been naturally cleared of significant vegetation and offer substantial continuous flat spaces that would minimize grading and preparation costs. The valley near the Rio Pardo, in particular, extends for several kilometers and could accommodate very large installations. Areas to the north and northeast of the municipality center also show promise, featuring rolling hills with southern-facing slopes that would be ideal for solar panel orientation. The terrain in these locations is generally stable, with good soil composition and minimal risk of erosion or landslides. The region's semi-arid conditions work in favor of solar development, as there is minimal dense forest cover to clear and relatively low agricultural productivity that would compete for land use. The sparse population density in the surrounding rural areas also means fewer conflicts with residential or commercial development.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: Monday 30th of June 2025
Last Updated: Tuesday 5th of August 2025
Tell Us About Your Work
We love seeing how our research helps others! If you've cited this article in your work, we'd be delighted to hear about it. Drop us a line via our Contact Us page or on X, to share where you've used our information - we may feature a link to your work on our site. This helps create a network of valuable resources for others in the solar energy community and helps us understand how our research is contributing to the field. Plus, we occasionally highlight exceptional works that reference our research on our social media channels.
Feeling generous?
Share this with your friends!

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.




