Biritiba Mirim, São Paulo, Brazil, located in the Southern Sub Tropics, offers a relatively favorable environment for solar PV energy generation throughout the year. The location's potential for solar energy production varies across seasons, with the highest output during summer and the lowest in winter.

Seasonal Solar Energy Production

Summer stands out as the most productive season, with an average daily output of 6.05 kWh per kW of installed solar capacity. Spring follows closely, generating 5.32 kWh/day, while autumn produces 5.07 kWh/day. Winter, as expected, has the lowest output at 4.15 kWh/day, but still maintains a reasonable level of production.

The consistent year-round production indicates that Biritiba Mirim is well-suited for solar PV installations. Even during the least productive winter months, the output remains substantial, ensuring a steady supply of renewable energy throughout the year.

Optimal Panel Positioning

To maximize year-round solar energy production, fixed solar panels should be tilted at an angle of 22 degrees facing North. This optimal angle takes into account the location's latitude and the sun's position throughout the year, ensuring the panels capture the maximum amount of sunlight possible.

Environmental Considerations

While Biritiba Mirim generally offers favorable conditions for solar energy production, there are a few environmental factors to consider:

1. Rainfall: The region experiences significant rainfall, particularly during summer months. Regular cleaning of solar panels may be necessary to maintain optimal efficiency.
2. Cloud cover: Occasional cloud cover, especially during the rainy season, may temporarily reduce solar output. However, modern solar panels can still generate electricity under diffuse light conditions.

To mitigate these factors, installers should consider using self-cleaning panel technologies and ensuring proper drainage systems are in place. Additionally, using high-efficiency panels that perform well in low-light conditions can help maintain consistent energy production throughout the year.

Overall, Biritiba Mirim presents an ideal location for solar PV installations, with its year-round solar potential and manageable environmental challenges. With proper planning and installation techniques, solar energy systems in this area can provide a reliable and sustainable source of electricity.

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 Biritiba Mirim

Seasonal solar PV output for Latitude: -23.6201, Longitude: -46.0194 (Biritiba Mirim, 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 Biritiba Mirim, Brazil

To maximize your solar PV system's energy output in Biritiba Mirim, Brazil (Lat/Long -23.6201, -46.0194) 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 Biritiba Mirim, 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 Biritiba Mirim, 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 Biritiba Mirim, 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 Biritiba Mirim, 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 Biritiba Mirim, Brazil

Biritiba Mirim, located in the state of São Paulo, Brazil, is situated in a region characterized by diverse topography. The area surrounding this municipality features a mix of rolling hills, valleys, and forested areas. The landscape is part of the Atlantic Forest biome, which is known for its lush vegetation and varied terrain. To the east of Biritiba Mirim, the topography becomes more pronounced, with higher elevations and steeper slopes as the land rises towards the Serra do Mar mountain range. This coastal mountain chain runs parallel to the Atlantic Ocean and creates a dramatic backdrop to the region. The western side of Biritiba Mirim, in contrast, tends to have gentler slopes and more open areas. The municipality itself is nestled in a valley, with the Tietê River and its tributaries flowing through the region. This river system has shaped the local landscape, creating fertile lowlands and alluvial plains. The area also contains several reservoirs, including the Biritiba-Mirim Reservoir, which adds to the varied topography and influences local microclimates.

Potential for Large-Scale Solar PV

When considering areas nearby that would be most suited to large-scale solar photovoltaic (PV) installations, several factors come into play. The ideal locations for solar farms typically have flat or gently sloping terrain, good sun exposure, and minimal shading from surrounding features. The western outskirts of Biritiba Mirim, where the terrain tends to be less rugged, offer promising potential for solar PV development. These areas likely have more open spaces with fewer obstructions, allowing for optimal solar panel placement. The gentler slopes in this direction would also facilitate easier construction and maintenance of solar installations. Areas to the north and south of the municipality, where the landscape opens up into broader valleys, could also be suitable for large-scale solar projects. These locations may offer a balance between accessible terrain and sufficient land area for extensive panel arrays. It's important to note that while the eastern regions towards the Serra do Mar might receive ample sunlight due to their elevation, the steeper and more forested terrain could pose challenges for large-scale installations. These areas might be better suited for smaller, distributed solar projects rather than expansive solar farms. Any potential solar PV development would need to consider environmental impacts, particularly given the region's proximity to important water resources and protected forest areas. Careful site selection and environmental assessments would be crucial to ensure that solar projects are implemented sustainably and in harmony with the local ecosystem.

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.