Porto Seguro, Bahia, Brazil offers an excellent location for solar PV energy generation throughout the year. Situated at latitude -16.6718 and longitude -39.2642, this tropical location benefits from consistent sunlight patterns that make it highly suitable for solar energy production.
Solar Production Potential
The energy output at Porto Seguro remains relatively consistent across seasons, with only modest variations throughout the year. Summer provides the highest daily output at 5.93kWh per kW of installed capacity, closely followed by autumn with 5.86kWh/day. Spring also performs strongly at 5.76kWh/day, while winter shows a slight decrease to 4.72kWh/day per kW installed.
This pattern indicates that Porto Seguro experiences reliable solar generation potential year-round, with only a moderate reduction during winter months. The difference between the best-performing season (summer) and the lowest-performing season (winter) is just 1.21kWh/day, demonstrating the location's consistent solar resource.
Optimal Panel Installation
For fixed solar panel installations in Porto Seguro, Bahia, the ideal tilt angle to maximize year-round energy production is 16 degrees facing North. This specific angle has been calculated to optimize solar capture across all seasons, accounting for the Earth's elliptical orbit and the site's tropical latitude.
Environmental Considerations
While Porto Seguro offers excellent solar potential, there are some environmental factors to consider:
- Coastal humidity and salt spray could potentially accelerate corrosion of solar equipment, especially given the location's proximity to the Atlantic Ocean.
- The region experiences a wet season with heavy rainfall that could temporarily reduce solar production.
- Tropical vegetation growth can be rapid, potentially causing shading issues if not regularly maintained.
Preventative Measures
To maximize solar energy production in Porto Seguro, Bahia, several preventative measures are recommended:
- Use marine-grade components and corrosion-resistant mounting hardware to withstand coastal conditions
- Install panels with sufficient elevation to avoid vegetation shading and implement regular maintenance schedules
- Consider slightly increasing the system size to compensate for reduced winter output
- Implement proper drainage systems to manage heavy rainfall during wet seasons
- Use high-quality inverters with tropical ratings that can handle higher humidity conditions
With these considerations addressed, Porto Seguro represents a prime location for solar PV installations with its consistent year-round solar resource and relatively minor seasonal variations.
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 Porto Seguro
Seasonal solar PV output for Latitude: -16.6718, Longitude: -39.2642 (Porto Seguro, 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 16° North in Porto Seguro, Brazil
To maximize your solar PV system's energy output in Porto Seguro, Brazil (Lat/Long -16.6718, -39.2642) throughout the year, you should tilt your panels at an angle of 16° 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 Porto Seguro, 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 Porto Seguro, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 16° North tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 1° North in Summer | 22° North in Autumn | 32° North in Winter | 11° 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 Porto Seguro, 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 Porto Seguro, 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 Porto Seguro, Brazil
Porto Seguro, located on the eastern coast of Brazil in the state of Bahia, features a diverse topography that transitions from coastal plains to inland highlands. The immediate coastal area consists of sandy beaches and low-lying terrain, with elevations generally below 50 meters above sea level. Moving inland from the coast, the landscape gradually rises into rolling hills and plateaus that are part of the larger Brazilian Highlands. The region surrounding Porto Seguro includes significant areas of the Atlantic Forest biome, though much of this has been altered by human activity over centuries of settlement. The terrain is dissected by numerous rivers and streams flowing eastward to the Atlantic Ocean, creating valleys and natural drainage systems throughout the area.
Coastal Features
The coastline near Porto Seguro is characterized by beaches, coral reefs, and small coastal cliffs in some areas. The coastal plain extends several kilometers inland before the topography begins to rise more noticeably. This transition zone features a mix of flat areas and gentle slopes, with some wetland regions near river mouths.Inland Topography
As one moves 15-30 kilometers inland from Porto Seguro, the elevation increases more substantially, with hills reaching 100-300 meters in height. These hills are generally rounded rather than steep, the result of millions of years of erosion. The soil composition varies but includes significant areas of red and yellow latosols typical of tropical regions.Potential Solar PV Development Areas
For large-scale solar photovoltaic development, the inland elevated plateaus approximately 20-40 kilometers west of Porto Seguro present the most promising locations. These areas offer several advantages for solar energy development: The elevated plateaus provide relatively flat terrain that has already been cleared for agricultural use in many cases, reducing the environmental impact of new development. These plateaus typically receive consistent solar radiation throughout the year due to their elevation and distance from coastal weather influences. The areas west of the main BR-367 highway, particularly in the direction of Eunápolis, offer accessible terrain with moderate slopes that would require minimal grading for solar installation. These locations also benefit from proximity to existing transmission infrastructure, which is crucial for connecting new generation capacity to the grid. Areas that have previously been used for cattle ranching or monoculture agriculture represent particularly suitable locations, as they minimize additional environmental disruption while providing the large, contiguous land parcels necessary for utility-scale solar development. The regions around the smaller communities of Vale Verde and Vera Cruz, situated on higher ground between Porto Seguro and Eunápolis, combine favorable topography with good road access and sufficient distance from environmentally sensitive coastal zones and protected forests. While the immediate coastal areas offer flat terrain, they are generally less suitable for large-scale solar development due to higher land values, tourism importance, and greater vulnerability to tropical storms and sea-level influences. Additionally, the coastal areas often experience more frequent cloud cover compared to the inland plateaus.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: Saturday 28th of June 2025
Last Updated: Monday 21st of July 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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