Bariri, São Paulo, Brazil, located at latitude -22.0555 and longitude -48.7034, offers a promising environment for solar energy generation throughout the year. This tropical location benefits from consistent sunlight, with seasons characterized more by wet and dry periods than significant temperature fluctuations.

Seasonal Solar Performance

The solar energy potential in Bariri varies across the meteorological seasons. Summer stands out as the most productive period, with an expected daily output of 6.90 kWh per kW of installed solar capacity. Spring follows closely behind at 6.29 kWh/day. Autumn sees a moderate decrease to 5.56 kWh/day, while winter experiences the lowest output at 4.77 kWh/day. These figures indicate that Bariri maintains a relatively high solar energy potential year-round, with even the least productive season (winter) still offering decent energy generation capabilities.

Optimal Panel Positioning

For fixed solar panel installations in Bariri, São Paulo, the ideal tilt angle to maximize year-round production is 20 degrees facing North. This angle takes into account the location's latitude and the sun's path throughout the year, ensuring optimal exposure to sunlight across all seasons.

Environmental Considerations

While Bariri's tropical climate is generally favorable for solar energy production, there are a few factors to consider: 1. Rainfall: The region experiences a wet season, typically from October to March. Heavy rains can temporarily reduce solar panel efficiency due to cloud cover and direct precipitation on panels. 2. Dust and pollen: During drier periods, airborne particles can accumulate on solar panels, potentially reducing their efficiency. To mitigate these factors, consider implementing the following measures: - Install panels at the recommended 20-degree tilt to facilitate natural cleaning during rainfall. - Use self-cleaning panels or schedule regular cleaning, especially during drier months. - Implement a robust drainage system to prevent water accumulation on or around the panels. Overall, Bariri presents an ideal location for solar PV installations, with high energy potential throughout the year and manageable environmental challenges.

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 Bariri

Seasonal solar PV output for Latitude: -22.0555, Longitude: -48.7034 (Bariri, 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 20° North in Bariri, Brazil

To maximize your solar PV system's energy output in Bariri, Brazil (Lat/Long -22.0555, -48.7034) throughout the year, you should tilt your panels at an angle of 20° 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 Bariri, 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 Bariri, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 20° North tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
6° North in Summer	28° North in Autumn	38° North in Winter	15° 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 Bariri, 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 Bariri, 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 Bariri, Brazil

The landscape surrounding Bariri, Brazil, located at coordinates -22.0555, -48.7034, is characterized by gently rolling hills and expansive plains typical of the São Paulo state's interior. This region, known as the Paulista Plateau, features a mix of agricultural lands, pastures, and scattered patches of native vegetation. The topography around Bariri is relatively flat to moderately undulating, with elevations ranging from approximately 400 to 600 meters above sea level. The area is part of the Tietê River basin, with the Tietê-Paraná Waterway passing nearby. This waterway system includes several reservoirs and dams, which have somewhat altered the natural landscape.

Vegetation and Land Use

The original vegetation of this region consisted primarily of Cerrado (tropical savanna) and Atlantic Forest. However, much of the native flora has been cleared for agricultural purposes. Today, the landscape is dominated by cultivated fields, particularly sugar cane plantations, as well as areas dedicated to livestock grazing.

Climate and Solar Potential

Bariri experiences a tropical climate with a dry winter season. This climate, combined with the region's relatively flat terrain and abundance of open spaces, makes it potentially suitable for large-scale solar photovoltaic (PV) installations.

Areas Suitable for Solar PV

The most promising locations for large-scale solar PV projects in the vicinity of Bariri would be the expansive agricultural lands that are currently underutilized or less productive. These areas offer several advantages: 1. Flat or gently sloping terrain, which reduces the cost and complexity of installation. 2. Minimal shading from natural features or man-made structures. 3. Existing road infrastructure for easy access during construction and maintenance. 4. Proximity to power transmission lines, as the region is well-developed agriculturally. Specifically, the rural areas to the north and east of Bariri, where large tracts of land are dedicated to sugar cane cultivation, could be ideal for solar PV development. These locations offer vast, uninterrupted spaces that could accommodate extensive solar arrays without significant topographical challenges. It's important to note that while the topography and climate of the region are favorable for solar PV, any large-scale development would require careful environmental impact assessments and consideration of local land use regulations. Additionally, the conversion of agricultural land to solar farms should be balanced with food production needs and potential impacts on local ecosystems.

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

Tell Us About Your Work

We love seeing how our research helps others! If you've cited this article in your work, we'd be delighted to hear about it. Drop us a line via our Contact Us page or on X, to share where you've used our information - we may feature a link to your work on our site. This helps create a network of valuable resources for others in the solar energy community and helps us understand how our research is contributing to the field. Plus, we occasionally highlight exceptional works that reference our research on our social media channels.

Feeling generous?

Share this with your friends!

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.