Bertioga, São Paulo, Brazil, located in the Southern Sub Tropics at latitude -23.7511 and longitude -46.0493, offers a favorable environment for solar PV energy generation throughout the year. The location demonstrates consistent solar energy production potential across all seasons, making it a reliable option for renewable energy investment.

Seasonal Solar Production

Solar energy production in Bertioga varies moderately across the four meteorological seasons. Summer represents the peak production period with 6.06kWh per day for each kilowatt of installed capacity. Spring follows as the second most productive season at 5.33kWh/day, while autumn yields 5.06kWh/day. Winter shows the lowest output at 4.16kWh/day per kilowatt installed, but still maintains a respectable production level.

The relatively small difference between summer and winter production (less than 2kWh/day per kW installed) indicates good year-round solar potential. Even during the least productive winter months, the system can generate approximately 68% of its peak summer capacity, demonstrating Bertioga's consistent solar resource throughout the year.

Optimal Panel Installation

For fixed solar panel installations in Bertioga, São Paulo, the ideal tilt angle to maximize year-round energy production is 22 degrees facing North. This carefully calculated angle optimizes the capture of solar radiation across all seasons, balancing the lower winter sun path with the higher summer sun trajectory.

Environmental Considerations

Several environmental factors could potentially impact solar production in Bertioga:

• High humidity and coastal salt spray: Being a coastal city, salt accumulation on panels can reduce efficiency and accelerate corrosion. Regular cleaning and marine-grade components are recommended.
• Tropical rainfall patterns: The region experiences significant rainfall, particularly in summer months. Installing panels with good drainage design and water-resistant components helps mitigate these effects.
• Atlantic forest vegetation: Rapid growth of surrounding vegetation could create shading issues. Regular maintenance to keep trees and plants trimmed around the installation area is advisable.

To maximize production despite these challenges, installations should incorporate corrosion-resistant mounting hardware, regular cleaning schedules, and strategic placement away from potential shading sources. Additionally, microinverter or power optimizer technology can help minimize the impact of partial shading when it does occur.

Overall, Bertioga presents a solid location for solar PV implementation with consistent year-round production potential and manageable environmental challenges that can be addressed through proper system design and maintenance.

Note: The Southern Sub Tropics extend from -23.5° latitude South down to -35° latitude.

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 Bertioga

Seasonal solar PV output for Latitude: -23.7511, Longitude: -46.0493 (Bertioga, 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 22° North in Bertioga, Brazil

To maximize your solar PV system's energy output in Bertioga, Brazil (Lat/Long -23.7511, -46.0493) throughout the year, you should tilt your panels at an angle of 22° 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 Bertioga, 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 Bertioga, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 22° North tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
8° North in Summer	29° North in Autumn	39° North in Winter	17° 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 Bertioga, 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 Bertioga, Brazil.

Our calculation method

1. Solar Position:
   We determine the Sun's position on the Winter solstice using the location's latitude and solar declination.
2. Shadow Projection:
   We calculate the shadow length cast by panels using trigonometry, considering panel tilt and the Sun's elevation angle.
3. 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 Bertioga, Brazil

The region surrounding Bertioga, Brazil is characterized by diverse and dramatic topography that significantly influences its climate and potential for renewable energy development. Situated on Brazil's southeastern coast in the state of São Paulo, Bertioga lies between the Atlantic Ocean and the Serra do Mar mountain range, creating a distinctive landscape with multiple elevation zones.

Coastal Plains and Lowlands

The immediate area around Bertioga features coastal plains with relatively flat terrain. These lowlands extend from the shoreline inland for several kilometers before the land begins to rise. This flat coastal strip contains the urban center of Bertioga, along with beaches, mangroves, and restinga (coastal forest) ecosystems. The elevation in these areas typically ranges from sea level to approximately 20 meters above sea level.

Serra do Mar Mountain Range

Moving inland from the coastal plains, the terrain rises dramatically into the Serra do Mar mountain range, which runs parallel to the Atlantic coast. This mountain range forms a natural barrier between the coastal lowlands and the higher plateau regions of inland São Paulo state. The Serra do Mar near Bertioga features steep slopes, with elevations quickly rising to 800-1000 meters above sea level. These mountains are densely covered with Atlantic Forest (Mata Atlântica), one of the most biodiverse ecosystems on the planet.

River Valleys and Watersheds

The area is crossed by numerous rivers flowing from the Serra do Mar toward the Atlantic Ocean, creating valleys that cut through the mountainous terrain. The Itapanhaú River is particularly significant to Bertioga, with its watershed encompassing much of the local region. These river valleys create variations in the local topography, with some areas featuring gentler slopes amid the otherwise steep mountain terrain.

Solar PV Potential Areas

When considering large-scale solar photovoltaic (PV) development near Bertioga, several factors related to topography must be considered: The coastal plains offer the most immediately suitable terrain for large-scale solar installations. These areas provide relatively flat land that requires minimal grading and preparation, reducing construction costs and environmental impact. Specifically, the areas extending northwest from Bertioga toward Biritiba-Mirim and Mogi das Cruzes feature more extensive flat or gently rolling terrain that could accommodate larger installations. Some of the lower foothills of the Serra do Mar, where slopes are more gradual, could potentially support solar development. These areas might benefit from slightly reduced cloud cover compared to either the immediate coast or higher mountain elevations. The region between Bertioga and São Sebastião contains some intermediate elevation zones that might be appropriate. The plateau regions beyond the Serra do Mar, though further from Bertioga proper, offer extensive flat areas that would be well-suited for large-scale solar development. These inland areas toward Salesópolis and Santa Branca typically experience less coastal cloudiness and fog than the immediate coastal region.

Topographical Challenges

Despite these potential areas, the topography around Bertioga presents several challenges for solar development. The steep slopes of the Serra do Mar are generally unsuitable for large-scale installations due to construction difficulties, environmental concerns, and shading issues. Additionally, much of the region is protected as part of the Atlantic Forest biome, limiting development options. The coastal location also means that morning fog and ocean-influenced cloud patterns can affect solar radiation levels, particularly in the immediate coastal areas. Solar resource assessments would need to account for these microclimatic effects created by the interaction between mountains and sea. The most promising areas for solar development would therefore be either the broader coastal plains where development is already present (minimizing new environmental impacts) or the inland plateau regions beyond the Serra do Mar mountains where larger tracts of suitable land might be available with potentially more favorable solar resource conditions.

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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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.