Buritama, São Paulo, Brazil presents a moderately favorable location for year-round solar energy generation, though it experiences notable seasonal variations in solar output. Located in the tropical region where consistent sunlight is available throughout most of the year, this area benefits from relatively stable solar conditions compared to higher latitude locations.

Seasonal Solar Performance

The solar energy output at Buritama varies significantly across the seasons. Summer delivers the highest energy production at 6.98 kWh per day per kW of installed solar capacity, making it the optimal time for solar generation. Spring follows as the second-best season with 6.44 kWh per day per kW, while autumn produces 5.78 kWh per day per kW. Winter represents the least productive period, generating 4.93 kWh per day per kW of installed capacity. The difference between the best and worst performing seasons is approximately 42%, which indicates that while solar energy remains viable year-round, property owners should expect lower energy production during winter months. For maximum year-round efficiency, solar panels should be installed at a fixed tilt angle of 19 degrees facing north.

Environmental and Weather Factors

Several local factors could potentially impact solar energy production in Buritama:

• Dust and Agricultural Debris: The region's agricultural activities may generate dust and organic particles that accumulate on solar panels, reducing their efficiency
• Seasonal Rainfall Patterns: Tropical wet seasons can bring heavy rainfall and increased cloud cover, though this also helps naturally clean panels
• High Humidity: Tropical humidity levels may contribute to faster degradation of electrical components and connections
• Temperature Effects: High ambient temperatures can reduce panel efficiency, as solar panels perform better in cooler conditions

Preventative Measures for Optimal Performance

To maximize solar energy production and system longevity in Buritama's environment, several installation considerations are recommended. Regular cleaning schedules should be established, particularly during dry seasons when dust accumulation is highest. Installing panels with adequate ventilation underneath helps reduce operating temperatures and maintains efficiency. Choosing high-quality, humidity-resistant electrical components and ensuring proper sealing of all connections will help prevent moisture-related failures. Additionally, installing monitoring systems allows for early detection of performance issues, enabling prompt maintenance when needed. The use of anti-soiling coatings on panels can reduce dust adhesion, while proper drainage around the installation site prevents water pooling that could lead to humidity problems or pest issues.

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 Buritama

Seasonal solar PV output for Latitude: -21.0474, Longitude: -50.1761 (Buritama, 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 19° North in Buritama, Brazil

To maximize your solar PV system's energy output in Buritama, Brazil (Lat/Long -21.0474, -50.1761) throughout the year, you should tilt your panels at an angle of 19° 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 Buritama, 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 Buritama, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 19° North tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
5° North in Summer	27° North in Autumn	37° North in Winter	14° 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 Buritama, 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 Buritama, 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 Buritama, Brazil

Topographic Characteristics of the Buritama Region

The landscape around Buritama in São Paulo state presents a gently undulating terrain characteristic of Brazil's western interior plateau region. This area sits within the broader Paraná sedimentary basin, where the topography consists primarily of low rolling hills and wide valleys that have been shaped by millennia of erosion. The elevation in this region typically ranges from approximately 350 to 450 meters above sea level, creating a relatively stable foundation for development projects.

The local terrain features gradual slopes rather than steep inclines, with most hillsides maintaining gentle gradients that rarely exceed 15 degrees. This moderate topography is interspersed with flat to nearly flat areas, particularly in the valley bottoms and along the broader ridgelines. The region's geology consists mainly of sandstone and sedimentary rock formations that provide good drainage characteristics while maintaining soil stability.

Water features in the area include several small streams and seasonal watercourses that flow generally westward toward the Paraná River system. These waterways have carved shallow valleys through the landscape, creating natural drainage patterns that help define the local topographic structure. The presence of these water sources also influences vegetation patterns and land use in the immediate vicinity.

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 south-facing slopes throughout the region. These elevated flat areas offer several advantages including minimal grading requirements, excellent drainage, and reduced risk of flooding during seasonal rains. The stable geological foundation in these areas would support heavy infrastructure with minimal foundation work.

Areas with slight southern exposure on the rolling hills would be particularly advantageous, as they would receive optimal sun angles throughout the day while maintaining the practical benefits of gentle terrain. The gradual slopes in these locations would also facilitate natural runoff management and reduce erosion concerns during construction and operation phases.

The wider valley floors, while flat and easily accessible, might present some challenges due to potential seasonal water accumulation and the need for more extensive drainage systems. However, the larger continuous flat areas could accommodate substantial solar arrays with minimal terrain modification, making them viable options where proper water management systems are implemented.

Transportation access represents another crucial factor, and the region's moderate topography allows for relatively straightforward road construction to most potential sites. The absence of extreme elevation changes means that heavy equipment and materials can be transported efficiently to development locations without requiring specialized mountain or steep-terrain vehicles.

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.