Juru, Paraíba, Brazil presents an excellent location for year-round solar energy generation. Located in the tropical region at coordinates -7.4913, -37.7885, this area benefits from consistent sunlight throughout most of the year, with seasonal variations characterized more by wet and dry periods rather than the dramatic temperature changes seen in temperate climates.
Solar Energy Output Performance
The solar energy production data for Juru shows strong and reliable performance across all seasons. Spring emerges as the peak production period, delivering an impressive 7.48 kWh per day per kW of installed solar capacity. Summer follows closely with 6.58 kWh/day per kW, while autumn maintains solid output at 6.25 kWh/day per kW. Even during the lowest production period in winter, the location still generates a respectable 5.78 kWh/day per kW. This seasonal pattern indicates that Juru experiences its optimal solar generation during spring and summer months, making it an ideal location for solar installations. The relatively small variation between seasons - with only about a 30% difference between peak and minimum production - demonstrates the consistency that tropical locations offer for solar energy projects.Optimal Panel Configuration
For fixed panel installations at this location, the ideal tilt angle to maximize total year-round solar production is 7 degrees facing North. This relatively shallow angle reflects Juru's proximity to the equator, where panels don't need steep tilting to capture optimal sunlight throughout the year.Environmental and Weather Considerations
Several local factors could potentially impact solar production efficiency in Juru, Paraíba, though the location's strong output numbers suggest these are manageable challenges. Humidity and Moisture The tropical climate brings high humidity levels year-round, which can lead to moisture accumulation on solar panels. This can reduce light transmission and decrease energy output. Additionally, high humidity creates ideal conditions for algae and mold growth on panel surfaces. Dust and Particulate Matter Brazil's interior regions often experience dust storms and airborne particles, particularly during drier periods. These can accumulate on solar panels, creating a film that blocks sunlight and reduces efficiency. Intense UV Radiation While beneficial for energy production, the intense tropical sun can accelerate degradation of solar panel materials and mounting systems over time. Heavy Rainfall During wet seasons, intense rainfall and potential flooding could pose risks to ground-mounted installations and electrical components.Preventative Measures for Optimal Performance
To maximize solar energy production in Juru's tropical environment, several installation strategies should be considered:- Install panels with adequate spacing for air circulation to reduce moisture buildup and improve cooling
- Use high-quality, UV-resistant mounting materials and cables designed for tropical climates
- Implement regular cleaning schedules to remove dust, organic growth, and debris
- Install panels at sufficient height above ground level to avoid flood damage
- Use proper drainage systems around installations to manage heavy rainfall
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 Juru
Seasonal solar PV output for Latitude: -7.4913, Longitude: -37.7885 (Juru, 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 7° North in Juru, Brazil
To maximize your solar PV system's energy output in Juru, Brazil (Lat/Long -7.4913, -37.7885) throughout the year, you should tilt your panels at an angle of 7° 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 Juru, 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 Juru, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 7° North tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 8° South in Summer | 13° North in Autumn | 23° North in Winter | 1° 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 Juru, 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 Juru, 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 Juru, Brazil
Topographical Features of the Juru Region
The area around Juru in Brazil sits within the Caatinga biome of the northeastern interior, characterized by a semi-arid landscape that forms part of the broader Borborema Plateau region. This elevated terrain features rolling hills and gentle slopes that rise gradually from the surrounding lowlands, creating a moderately undulating topography with elevations typically ranging from 400 to 800 meters above sea level.
The landscape is dominated by weathered crystalline rock formations that have been shaped by millions of years of erosion, resulting in rounded hilltops and broad valleys. These geological features create a terrain that is neither completely flat nor excessively steep, with most slopes falling within manageable gradients for development purposes. The region experiences periodic seasonal variations in vegetation cover, with sparse thorny scrubland and drought-resistant plants adapting to the challenging climate conditions.
Water features in the area are relatively scarce, consisting primarily of intermittent streams and seasonal watercourses that flow during the rainy periods. The soil composition tends to be rocky and well-drained, with patches of sandy and clay-based earth scattered throughout the region. Natural vegetation is typically low-growing, consisting of cacti, thorny shrubs, and small trees that rarely exceed a few meters in height.
Optimal Areas for Large-Scale Solar Development
The most suitable locations for extensive solar photovoltaic installations would be the broader valley floors and gentle hillside slopes that characterize much of the terrain surrounding Juru. These areas offer the necessary combination of relatively flat or mildly sloping ground that minimizes construction costs while providing adequate space for large arrays of solar panels.
The elevated plateaus and mesa-like formations in the region present particularly attractive opportunities, as they typically feature expansive flat surfaces with minimal vegetation coverage. These higher elevation sites also benefit from reduced atmospheric interference and excellent exposure to solar radiation throughout the day. The sparse natural vegetation means that land clearing requirements would be minimal, reducing both environmental impact and development costs.
Areas with gentle south-facing slopes would be especially valuable for solar installations, as they can be oriented to maximize energy capture while maintaining reasonable construction and maintenance access. The well-drained soils throughout the region provide stable foundations for mounting systems, while the low rainfall means that erosion and drainage issues are less likely to pose significant challenges during construction or operation.
The relatively open landscape with minimal tree cover ensures that shading issues would be rare, allowing for efficient panel placement across large contiguous areas. Additionally, the region's distance from major urban centers means that large tracts of suitable land are likely available for development without significant conflicts with existing infrastructure or dense population centers.
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!
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Article Details for Citation
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Monday 11th of August 2025
Last Updated: Monday 11th 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.




