Jandira, Brazil, located in the Southern Sub Tropics at latitude -23.5276 and longitude -46.9066, offers a generally favorable environment for solar PV energy generation throughout the year, though with seasonal variations.

Seasonal Solar Production

The location experiences its highest solar production during summer months, generating approximately 6.06kWh per day for each kilowatt of installed solar capacity. Spring follows as the second most productive season with 5.33kWh/day, while autumn yields 5.06kWh/day. Winter represents the lowest production period with 4.16kWh/day per installed kilowatt.

This pattern creates a relatively balanced production profile throughout the year, with winter output still reaching about 69% of summer production. The moderate seasonal variation makes Jandira a suitable location for year-round solar energy generation, without the extreme winter drops seen in locations farther from the equator.

Optimal Panel Installation

For fixed solar panel installations in Jandira, the ideal tilt angle to maximize year-round energy production is 22 degrees facing North. This angle optimizes the annual solar harvest by accounting for the location's position in the Southern Hemisphere and the sun's seasonal path across the sky.

Environmental and Weather Considerations

Several factors may impact solar production in this region:

• Seasonal rain patterns, particularly during the summer months (December-March), can temporarily reduce solar output despite this being the highest potential production period
• High humidity levels common in subtropical regions may create condensation on panels, potentially reducing efficiency
• Air pollution from the greater São Paulo metropolitan area could create haze that diminishes solar radiation reaching panels
• Occasional dust storms during dry winter periods may coat panels and reduce efficiency

Preventative Measures

To maximize solar production in Jandira, several installation strategies can be implemented:

• Install self-cleaning panels or implement regular cleaning schedules, especially during dry seasons when dust accumulation is highest
• Consider slightly elevated installations to improve airflow and reduce humidity-related issues
• Use high-efficiency panels designed for humid subtropical environments
• Install monitoring systems to quickly identify performance drops related to environmental factors
• Consider micro-inverters or power optimizers to minimize production losses when parts of the array are affected by shading or soiling

With these considerations addressed, Jandira's location offers solid potential for solar PV systems with relatively consistent production throughout the year, making it a practical choice for renewable energy investment.

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 Jandira

Seasonal solar PV output for Latitude: -23.5276, Longitude: -46.9066 (Jandira, 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 Jandira, Brazil

To maximize your solar PV system's energy output in Jandira, Brazil (Lat/Long -23.5276, -46.9066) 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 Jandira, 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 Jandira, 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 Jandira, 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 Jandira, 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 Jandira, Brazil

Jandira, located in the state of São Paulo, Brazil, sits within a region characterized by undulating terrain typical of the Atlantic Plateau. The landscape surrounding this municipality features a mix of rolling hills, shallow valleys, and modest elevation changes that form part of the broader Serra do Mar mountain system that runs along Brazil's southeastern coast. The topography around Jandira presents moderate relief with elevations generally ranging between 700-850 meters above sea level. The terrain gradually slopes from higher elevations in the northwest toward slightly lower areas in the southeast direction. This variation creates a landscape of gentle hills rather than steep mountains, with numerous small streams and drainage patterns cutting through the area.

Surrounding Geographical Features

Jandira is positioned within the greater São Paulo metropolitan region, approximately 30 kilometers west of São Paulo city center. The municipality is bordered by several neighboring towns including Barueri to the east, Itapevi to the west, and Cotia to the south. The broader region sits on the Precambrian crystalline basement rocks of the Brazilian Shield, which have been weathered over millions of years to create the current topographic profile. The area experiences a humid subtropical climate with seasonal rainfall patterns. The natural vegetation would historically have been Atlantic Forest, though much has been cleared for urban development as the São Paulo metropolitan area has expanded.

Potential Areas for Solar PV Development

For large-scale solar photovoltaic installations, several nearby areas present favorable topographic conditions: The gently sloping hillsides to the northwest of Jandira offer promising locations for solar development. These areas typically have northward-facing slopes (important in the Southern Hemisphere for maximizing solar exposure) and reduced vegetation cover compared to more protected valleys. The moderate elevation provides good solar access with minimal shadowing effects from surrounding terrain. The more open plateau areas between Jandira and neighboring Itapevi also present suitable topography for solar installations. These relatively flat expanses would require minimal grading and site preparation, reducing development costs while providing ample space for large arrays. Several areas of cleared land within the broader São Paulo western metropolitan zone could be repurposed for solar development. Former agricultural lands or industrial zones with minimal current use might be particularly appropriate, especially those with good drainage and limited flood risk. The higher elevation areas toward Santana de Parnaíba, north of Jandira, feature some promising ridgelines and plateaus that could accommodate solar installations while benefiting from excellent exposure and minimal atmospheric interference due to their elevation. It's worth noting that while topography is favorable in many surrounding areas, the region's development density may present challenges for finding sufficiently large contiguous parcels. The most promising locations would likely be found in the transitional zones between the densely developed metropolitan core and the more rural periphery to the west and northwest of Jandira.

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.