Maracaju, Mato Grosso do Sul, Brazil presents a highly favorable location for year-round solar photovoltaic energy generation. Located in the tropics at coordinates -21.425, -55.5458, this region benefits from consistent sunlight throughout most of the year, with seasons characterized more by wet and dry periods rather than dramatic temperature variations.
Solar Energy Production Potential
The solar energy output data for Maracaju demonstrates excellent year-round potential. Summer delivers the highest production at 6.98 kWh per day per kW of installed solar capacity, making it the peak generation season. Spring follows closely with 6.23 kWh/day per kW, while autumn provides 5.53 kWh/day per kW. Even during winter, the lowest production period, the location still generates a respectable 4.38 kWh/day per kW. For optimal year-round performance, fixed solar panels should be tilted at 19 degrees facing north. This angle maximizes total annual energy production by accounting for the sun's varying position throughout the year and the Earth's elliptical orbit around the sun.Environmental and Weather Challenges
Several local factors could potentially impact solar production efficiency in Maracaju. The tropical climate brings distinct wet and dry seasons, with the rainy season potentially reducing solar output due to increased cloud cover and atmospheric moisture. Heavy rainfall during wet periods can also lead to dust and debris accumulation on panel surfaces once storms pass. The region's agricultural activities may contribute to airborne particles and dust, particularly during dry seasons and harvest periods. High humidity levels typical of tropical climates can also affect equipment performance and longevity if not properly managed.Preventative Measures for Optimal Performance
To maximize energy production despite these challenges, several installation strategies prove effective:- Install panels with adequate spacing and ventilation to prevent moisture buildup and allow for proper air circulation
- Use high-quality mounting systems with corrosion-resistant materials suitable for humid tropical conditions
- Implement regular cleaning schedules, particularly important during and after the dry season when dust accumulation peaks
- Choose solar panels and inverters specifically rated for high humidity and temperature variations
- Install proper drainage systems around ground-mounted installations to prevent water pooling during heavy rains
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 Maracaju
Seasonal solar PV output for Latitude: -21.425, Longitude: -55.5458 (Maracaju, 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 19° North in Maracaju, Brazil
To maximize your solar PV system's energy output in Maracaju, Brazil (Lat/Long -21.425, -55.5458) 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.
Seasonally adjusted solar panel tilt angles for Maracaju, 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 Maracaju, 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 |
|---|---|---|---|
| 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 Maracaju, 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 Maracaju, 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 Maracaju, Brazil
Topographical Features of the Maracaju Region
The area surrounding Maracaju in Mato Grosso do Sul, Brazil, sits within a predominantly flat to gently rolling landscape that forms part of the broader Pantanal periphery and cerrado savanna ecosystem. This region lies at an elevation of approximately 400 to 500 meters above sea level, creating a relatively stable topographical foundation with minimal dramatic elevation changes across large expanses of territory.
The terrain consists primarily of extensive plains interspersed with low, rounded hills that rarely exceed gradients of more than 5 to 8 degrees. These gentle undulations are characteristic of the ancient geological formations that underlie much of central-western Brazil, where weathering processes over millions of years have created smooth, weathered surfaces ideal for large-scale development projects.
Water features in the region include several seasonal streams and small rivers that flow predominantly in a westward direction toward the Paraguay River basin. During the wet season, some lower-lying areas may experience temporary flooding, though the majority of the landscape maintains good drainage due to the porous soils typical of the cerrado biome.
Optimal Areas for Large-Scale Solar Development
The most suitable locations for extensive solar photovoltaic installations would be the elevated plateau areas that extend northeast and southeast of Maracaju proper. These zones offer several advantages including consistent elevation above seasonal flood levels, minimal slope variations that would complicate panel installation, and sufficient distance from environmentally sensitive wetland areas.
The northeastern quadrant presents particularly favorable conditions, where the landscape consists of broad, flat expanses with excellent accessibility via existing agricultural roads. This area benefits from well-drained soils that would support heavy equipment during construction phases while maintaining stability for long-term installations.
Areas immediately south and southwest of the town center also show promise for solar development, featuring gentle south-facing slopes that could optimize panel orientation. The topography in these zones remains relatively uniform across large distances, allowing for efficient grid layouts and minimizing the need for extensive ground preparation or grading work.
Less suitable areas would include the western approaches toward the Pantanal lowlands, where seasonal water level fluctuations and softer soils could present challenges for permanent installations. Similarly, the narrow valley systems associated with local waterways would be better avoided due to potential drainage issues and environmental considerations related to riparian vegetation preservation.
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 1st of July 2025
Last Updated: Wednesday 6th 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.




