Jaguaribara, Ceará, Brazil presents an excellent location for year-round solar energy generation. Located in the tropical region at coordinates -5.6485, -38.5105, this area benefits from consistent sunlight throughout the year, with seasonal variations typically defined by wet and dry periods rather than dramatic temperature changes.
Solar Energy Production Potential
The solar energy output data for Jaguaribara demonstrates remarkably consistent performance across all seasons. Summer produces 6.16 kWh per day per kW of installed solar capacity, while autumn generates slightly more at 6.36 kWh/day per kW. Winter maintains strong production at 6.28 kWh/day per kW. Spring emerges as the peak season for solar generation, delivering an impressive 7.34 kWh/day per kW of installed capacity. This makes spring the ideal time of year for maximum solar energy production at this location. For optimal year-round performance, solar panels should be installed at a fixed tilt angle of 6 degrees North. This specific angle maximizes 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 Considerations
Several local factors could potentially impact solar production efficiency in Jaguaribara:- Dust and Sand Accumulation: The semi-arid climate typical of this region of Brazil can lead to dust buildup on solar panels, reducing their efficiency over time
- Seasonal Rainfall Patterns: While the wet season provides natural panel cleaning, extended cloudy periods during heavy rains may temporarily reduce output
- High Temperatures: Intense tropical heat can decrease panel efficiency, as solar panels typically perform better in moderate temperatures
- Humidity and Moisture: High humidity levels during wet seasons may affect electrical components if not properly protected
Preventative Measures for Optimal Performance
To maximize solar energy production and system longevity in Jaguaribara, Ceará, several installation strategies should be considered: Regular maintenance schedules should include frequent panel cleaning, particularly during dry seasons when dust accumulation is highest. Installing panels with adequate spacing allows for proper air circulation, helping to manage heat buildup and maintain efficiency. Quality weatherproofing of all electrical components and connections is essential to protect against humidity and moisture during wet seasons. Using corrosion-resistant mounting systems and hardware will ensure long-term structural integrity. Monitoring systems can help identify performance drops quickly, allowing for prompt maintenance. Additionally, choosing high-quality panels with good temperature coefficients will help maintain efficiency during periods of intense heat. Overall, Jaguaribara represents a highly favorable location for solar energy generation, with consistent year-round production and manageable environmental challenges that can be effectively addressed through proper installation 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 Jaguaribara
Seasonal solar PV output for Latitude: -5.6485, Longitude: -38.5105 (Jaguaribara, 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 6° North in Jaguaribara, Brazil
To maximize your solar PV system's energy output in Jaguaribara, Brazil (Lat/Long -5.6485, -38.5105) throughout the year, you should tilt your panels at an angle of 6° 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 Jaguaribara, 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 Jaguaribara, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 6° North tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 10° South in Summer | 12° North in Autumn | 21° North in Winter | 0° 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 Jaguaribara, 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 Jaguaribara, 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 Jaguaribara, Brazil
Topographical Features of the Jaguaribara Region
The landscape surrounding Jaguaribara in Ceará state, northeastern Brazil, is characterized by gently rolling terrain typical of the Caatinga biome. This semi-arid region sits at a relatively modest elevation, with the town itself positioned on undulating plains that extend across much of the interior northeast. The topography consists primarily of low hills and broad valleys, creating a terrain that rises and falls gradually rather than presenting steep inclines or dramatic elevation changes. The area is dominated by the Jaguaribe River valley system, which has carved gentle depressions through the landscape over millennia. These river valleys create natural corridors of slightly lower elevation, while the interfluves between water courses form modest ridges and plateaus. The overall relief is subdued, with most elevation changes occurring gradually across distances of several kilometers rather than abruptly. Rocky outcrops and inselbergs occasionally punctuate the landscape, representing more resistant geological formations that have withstood erosion better than the surrounding terrain. These isolated hills and rocky masses, while visually prominent, occupy relatively small portions of the total land area. Between these features, extensive areas of relatively flat to gently sloping terrain stretch for considerable distances.Drainage Patterns and Surface Features
The drainage network in the Jaguaribara vicinity follows the typical dendritic pattern of semi-arid regions, with seasonal streams and rivers that flow primarily during the rainy season. The main Jaguaribe River represents the most significant waterway, while numerous smaller tributaries create a branching network of valleys throughout the region. Many of these smaller watercourses are intermittent, flowing only when precipitation is sufficient. The presence of the Castanhão Reservoir, one of Brazil's largest artificial lakes, has significantly altered the local topography and drainage patterns. This massive water body has created extensive areas of flat terrain along its shores and has modified the natural flow patterns of the region. The reservoir's presence also means that certain low-lying areas that might otherwise be suitable for development are now permanently inundated. Soil conditions across the region vary from sandy to clay-rich compositions, with many areas featuring the characteristic reddish soils common to semi-arid northeastern Brazil. Surface rock exposure is relatively common, particularly on higher elevations and steeper slopes, though extensive areas of soil-covered terrain are also present.Optimal Areas for Large-Scale Solar Development
The most suitable locations for extensive solar photovoltaic installations would be found on the broad, gently sloping plateaus and ridge tops that characterize much of the interfluves between major drainage channels. These elevated areas typically offer the most consistent terrain with minimal slope variations, reducing the complexity and cost of large-scale installation while maximizing the usable land area within any given development footprint. Areas situated away from the immediate vicinity of the Castanhão Reservoir would generally present fewer complications related to humidity and potential flooding concerns. The slightly higher elevations, typically found several kilometers inland from major water bodies, would provide optimal conditions for solar panel placement and maintenance access. Terrain located on the broad shoulders of the main valley systems would be particularly advantageous, as these areas combine relatively flat topography with good accessibility via existing transportation networks. These locations typically feature sufficient elevation to ensure good drainage during the rainy season while maintaining gentle enough slopes to minimize earthwork requirements for large installations. The areas best suited for solar development would avoid the steeper slopes associated with the transition zones near major watercourses, as well as the rocky outcrops and inselbergs scattered throughout the region. Instead, the optimal sites would be found on the extensive areas of gently undulating terrain that make up the majority of the landscape, particularly where these areas maintain consistent southwestern exposure and minimal shading from topographical features.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: Saturday 5th of July 2025
Last Updated: Wednesday 6th 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.




