Peixe-Boi, ParĂ¡, Brazil represents an excellent location for year-round solar energy generation, with consistently strong solar output throughout all seasons. Located in the tropical region where sunlight remains relatively stable year-round, this area experiences seasonal variations based more on wet and dry periods rather than traditional temperature-based seasons.
Solar Energy Production Performance
The solar energy output at Peixe-Boi shows impressive consistency across all seasons, with production ranging from 5.03 kWh per day per kW of installed capacity in summer to 6.27 kWh per day per kW in spring. Winter and spring emerge as the peak production seasons, generating 6.04 kWh and 6.27 kWh respectively, while summer and autumn produce slightly lower but still substantial amounts at 5.03 kWh and 5.36 kWh per day per kW. Spring represents the optimal time for solar generation at this location, followed closely by winter. This pattern is typical for tropical locations where the sun's angle and atmospheric conditions create favorable conditions during these periods. For maximum year-round energy production, solar panels should be installed at a fixed tilt angle of 2 degrees North. This shallow angle is calculated to optimize total annual solar output by accounting for the sun's path throughout the year and the location's proximity to the equator.Environmental and Weather Challenges
Several environmental factors at Peixe-Boi could potentially impact solar energy production:- High humidity and frequent rainfall: The tropical climate brings intense wet seasons that can reduce solar irradiance and create challenges for equipment maintenance
- Dust and vegetation growth: The combination of dry periods followed by wet seasons can lead to dust accumulation and rapid vegetation growth around installations
- Extreme heat: High temperatures can reduce solar panel efficiency and accelerate equipment degradation
- Severe weather events: Tropical storms and heavy winds pose risks to solar installations
Preventative Measures for Optimal Performance
To maximize solar energy production despite these challenges, several preventative measures should be implemented:- Enhanced drainage systems: Install proper drainage around solar arrays to prevent water accumulation and flooding during heavy rains
- Regular cleaning schedules: Implement frequent panel cleaning routines, especially during and after dust seasons
- Vegetation management: Maintain clear zones around installations and implement regular landscaping to prevent shading
- Robust mounting systems: Use wind-resistant mounting structures designed for tropical weather conditions
- Quality equipment selection: Choose panels and inverters rated for high humidity and temperature environments
- Monitoring systems: Install remote monitoring to quickly identify and address performance issues
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 Peixe-Boi
Seasonal solar PV output for Latitude: -1.1046, Longitude: -47.2703 (Peixe-Boi, 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 2° North in Peixe-Boi, Brazil
To maximize your solar PV system's energy output in Peixe-Boi, Brazil (Lat/Long -1.1046, -47.2703) throughout the year, you should tilt your panels at an angle of 2° 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 Peixe-Boi, 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 Peixe-Boi, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 2° North tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 15° South in Summer | 8° North in Autumn | 17° North in Winter | 5° South 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 Peixe-Boi, 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 Peixe-Boi, 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 Peixe-Boi, Brazil
Topographical Features of Peixe-Boi Region
Peixe-Boi is located in the northeastern portion of ParĂ¡ state in Brazil, positioned within the Amazon basin's coastal transition zone. The topography around this municipality is characterized by relatively low-lying terrain with gentle undulations typical of the Amazon lowlands. The landscape consists primarily of flat to gently rolling plains that rarely exceed 100 meters in elevation above sea level.
The region sits on ancient sedimentary formations that have been shaped by centuries of river activity and coastal processes. Small hills and ridges punctuate the otherwise level terrain, creating a mosaic of subtle elevation changes. These topographical variations are generally modest, with slopes that are gradual rather than steep, making the area relatively accessible for development projects.
Water features play a significant role in shaping the local topography. Several small rivers and streams meander through the area, creating natural drainage patterns that have carved shallow valleys into the landscape. These waterways are typically surrounded by slightly elevated banks and terraces, contributing to the gentle undulating character of the terrain.
Vegetation and Land Use Patterns
The natural vegetation in the Peixe-Boi area represents a transition between dense Amazon rainforest and more open tropical formations. Much of the original forest cover has been modified through agricultural activities, creating a patchwork of cleared areas, secondary growth, and remaining forest fragments. Pastureland for cattle ranching occupies significant portions of the landscape, particularly in areas with better drainage and accessibility.
Agricultural activities have transformed much of the terrain, with cleared fields and planted areas creating open spaces across the gently rolling topography. These human modifications to the landscape have resulted in varied land use patterns that include both productive agricultural zones and areas in different stages of forest regeneration.
Optimal Areas for Large-Scale Solar Development
The most suitable locations for extensive solar photovoltaic installations in the Peixe-Boi region would be the elevated, well-drained areas that have already been cleared of forest cover. Former pastureland and agricultural areas on the gentle ridges and elevated plains offer ideal conditions, as they provide stable ground conditions without the complications of dense vegetation removal or wetland concerns.
Areas with southern-facing slopes, even though modest in gradient, would be particularly advantageous for solar panel orientation. The slightly elevated terraces near river systems, while avoiding the immediate floodplains, could provide excellent sites due to their stable geology and existing access routes developed for agricultural purposes.
The transitional zones between agricultural areas and secondary forest growth often present optimal conditions, as these locations typically have good drainage, minimal slope complications, and established infrastructure access. These areas would require less environmental disruption while providing the flat to gently sloping terrain ideal for large-scale solar arrays.
Regions that should be avoided for solar development include the immediate floodplains of rivers and streams, areas with remaining primary forest cover, and any wetland zones that may experience seasonal flooding. The low-lying areas closest to water features, while flat, may present challenges due to moisture and periodic inundation during heavy rainfall periods.
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: Sunday 10th of August 2025
Last Updated: Sunday 10th 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.




