Jaguaquara, Bahia, Brazil presents an excellent location for year-round solar energy generation, with consistently strong solar output throughout most of the year. Located in the tropical region at coordinates -13.6, -39.9275, this area benefits from the reliable sunlight patterns typical of tropical climates.
Solar Energy Performance Throughout the Year
The solar energy production data reveals that Jaguaquara experiences remarkably consistent performance across three seasons, with only one notable dip during winter months. Spring delivers the highest output at 5.92kWh per day per kW of installed solar capacity, closely followed by autumn at 5.90kWh per day. Summer maintains strong performance at 5.76kWh per day, while winter shows the lowest production at 4.73kWh per day. The ideal times for solar generation at this location span from spring through autumn, when output remains consistently above 5.7kWh per day per kW. Even during the winter months, production remains quite respectable, dropping by only about 20% compared to peak seasons.Optimal Panel Installation
For maximum year-round energy production at Jaguaquara, Bahia, solar panels should be installed at a fixed tilt angle of 13 degrees facing north. This angle has been calculated to optimize total annual solar output by accounting for the sun's varying elevation throughout the year and weighting these angles based on actual solar irradiance data.Environmental and Weather Challenges
Several local factors could potentially impact solar energy production at this tropical location:- Heavy rainfall during wet seasons - Can reduce solar irradiance and create soiling issues on panels
- High humidity levels - May cause corrosion of electrical components and reduce equipment lifespan
- Dust and organic debris accumulation - Tropical vegetation and seasonal dust can coat panels, reducing efficiency
- Intense UV exposure - Can accelerate degradation of solar panel materials and mounting systems
Preventative Measures for Optimal Performance
To maximize solar energy production despite these challenges, several installation strategies should be implemented:- Regular cleaning schedules - Establish monthly panel cleaning during dry seasons and more frequent cleaning during wet seasons
- Adequate drainage systems - Install proper water runoff channels to prevent standing water around installations
- Corrosion-resistant materials - Use marine-grade aluminum mounting systems and stainless steel hardware designed for high-humidity environments
- Elevated mounting - Install panels with sufficient ground clearance to improve air circulation and reduce moisture buildup
- UV-resistant components - Select panels and wiring with enhanced UV protection ratings suitable for intense tropical sun exposure
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 Jaguaquara
Seasonal solar PV output for Latitude: -13.6, Longitude: -39.9275 (Jaguaquara, 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 13° North in Jaguaquara, Brazil
To maximize your solar PV system's energy output in Jaguaquara, Brazil (Lat/Long -13.6, -39.9275) throughout the year, you should tilt your panels at an angle of 13° 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 Jaguaquara, 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 Jaguaquara, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 13° North tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 2° South in Summer | 19° North in Autumn | 29° North in Winter | 8° 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 Jaguaquara, 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 Jaguaquara, 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 Jaguaquara, Brazil
Topographical Features of the Jaguaquara Region
The area surrounding Jaguaquara in Bahia state, Brazil, is characterized by a diverse landscape that combines rolling hills, gentle valleys, and elevated plateaus typical of the Brazilian Highlands. This region sits within the Chapada Diamantina geological formation, which creates a varied terrain of moderate elevation changes and distinctive rock formations. The topography consists primarily of undulating terrain with elevations ranging from approximately 400 to 800 meters above sea level, creating a landscape that alternates between broader valley floors and rounded hilltops.
The local geography features numerous small streams and seasonal watercourses that have carved gentle valleys through the landscape over time. These waterways create natural drainage patterns that flow generally eastward toward the Atlantic coastal plain. The soil composition varies throughout the region, with areas of exposed rock outcroppings interspersed with deeper soil deposits in the valley bottoms and gentler slopes.
Vegetation in the area transitions between caatinga scrubland and cerrado savanna, with the plant cover becoming sparser on exposed hillsides and denser in protected valleys. The climate influences the landscape significantly, with distinct wet and dry seasons creating seasonal variations in vegetation density and water availability.
Optimal Areas for Large-Scale Solar Development
The most suitable locations for extensive solar photovoltaic installations would be found on the broader plateau areas and gentle slopes that characterize much of the region around Jaguaquara. These elevated, relatively flat expanses offer several advantages for solar development, including consistent exposure to sunlight throughout the day and minimal shading from surrounding terrain features.
The valley floors and lower-lying areas present excellent opportunities for large-scale solar farms due to their naturally level terrain, which reduces construction and installation costs significantly. These areas typically require minimal grading and site preparation compared to steeper slopes or rocky outcroppings. The gentle gradients found in many of these locations also facilitate efficient drainage while maintaining optimal panel positioning.
Areas with south-facing slopes of moderate incline would be particularly well-suited for solar installations, as they naturally orient panels toward the sun's path across the sky. The region's numerous broad ridgelines and mesa-like formations provide extensive flat or gently sloping surfaces that could accommodate large arrays without significant terrain modification.
The sparse vegetation cover typical of much of this semi-arid landscape reduces the environmental impact and clearing costs associated with solar development. Open areas with minimal tree cover and low-growing scrub vegetation present the most straightforward development opportunities, requiring less extensive site preparation than more densely vegetated locations.
Transportation access represents another crucial factor, and areas near existing road networks or where new access routes could be constructed without crossing difficult terrain would be most practical for large-scale development. The relatively stable geological conditions throughout much of the region provide good foundation conditions for solar mounting systems.
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
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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
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