Solar Energy Potential in Jarinu, São Paulo, Brazil
Jarinu, São Paulo, Brazil offers a promising location for solar energy generation, situated in a region with consistent sunlight throughout most of the year. This tropical location experiences seasonal variations primarily characterized by wet and dry periods rather than dramatic temperature changes, which creates favorable conditions for solar photovoltaic (PV) systems. The solar energy production potential varies throughout the year, with the highest output occurring during summer months. For each kilowatt of installed solar capacity, the system can generate approximately 6.06 kWh per day in summer, 5.33 kWh per day in spring, 5.06 kWh per day in autumn, and 4.16 kWh per day in winter.Seasonal Performance
Summer stands out as the peak production period in Jarinu, São Paulo, with nearly 50% more daily energy generation compared to winter months. Spring follows as the second most productive season, making the October to March period particularly valuable for solar energy harvesting. Even during winter, the location maintains reasonable production levels, demonstrating the year-round viability of solar PV systems in this region. For fixed solar panel installations in Jarinu, São Paulo, the ideal tilt angle to maximize year-round energy production is 21 degrees facing North. This specific angle optimizes the capture of solar radiation throughout the year, accounting for the location's position in the Southern Hemisphere.Environmental Considerations
Several environmental factors could potentially impact solar production in Jarinu:- Seasonal rainfall patterns, particularly during the wet season (typically October to March), may reduce solar efficiency due to cloud cover and precipitation
- Dust accumulation, especially during dry periods, can gradually decrease panel efficiency if not regularly maintained
- Occasional haze from agricultural burning in the broader region may temporarily diminish solar radiation
Preventative Measures
To maximize solar energy production in Jarinu, São Paulo, several practical steps can be taken during installation and maintenance: Installing an automated cleaning system or implementing a regular manual cleaning schedule can mitigate dust accumulation. Elevating panels sufficiently above ground level helps reduce dirt splatter during rainy periods. Additionally, using high-quality panels with anti-reflective coatings enhances performance in variable light conditions common during transitional weather. For larger installations, considering a tracking system rather than fixed mounting could increase energy capture by up to 25%, though this requires weighing the additional cost against potential gains. Finally, incorporating a robust monitoring system allows for prompt identification of performance issues related to environmental factors. Despite these considerations, Jarinu's consistent solar radiation throughout the year makes it a highly suitable location for solar PV installations, with potential annual production averaging approximately 5.15 kWh per day for each kilowatt of installed capacity.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 Jarinu
Seasonal solar PV output for Latitude: -23.0983, Longitude: -46.7312 (Jarinu, 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 21° North in Jarinu, Brazil
To maximize your solar PV system's energy output in Jarinu, Brazil (Lat/Long -23.0983, -46.7312) throughout the year, you should tilt your panels at an angle of 21° 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 Jarinu, 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 Jarinu, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 21° North tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 7° North in Summer | 29° North in Autumn | 39° North in Winter | 16° 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 Jarinu, 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 Jarinu, Brazil.
Our calculation method
- Solar Position:
We determine the Sun's position on the Winter solstice using the location's latitude and solar declination. - Shadow Projection:
We calculate the shadow length cast by panels using trigonometry, considering panel tilt and the Sun's elevation angle. - 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 Jarinu, Brazil
The landscape surrounding Jarinu, Brazil, located in the southeastern state of São Paulo, presents a varied topography characterized by gently rolling hills and undulating terrain. This region sits on the eastern edge of the Brazilian Highlands, with elevations generally ranging from 700 to 900 meters above sea level. The area features a patchwork of agricultural lands, scattered forest patches, and small river valleys that have shaped the terrain over millennia. Jarinu's topography is marked by a series of small hills and valleys, creating a moderately complex landscape. The region experiences a humid subtropical climate, which has influenced the development of its topographical features through erosion patterns and vegetation growth. Natural drainage systems have carved shallow valleys throughout the area, with numerous small streams feeding into larger river systems.
Surrounding Landscape Features
To the east of Jarinu, the terrain becomes gradually more pronounced as it approaches the Serra da Mantiqueira mountain range, though the immediate vicinity maintains its characteristic rolling profile. The western areas tend to be somewhat flatter, with more gradual slopes that extend toward the metropolitan region of Jundiaí and eventually the greater São Paulo area. The northern sectors present moderate hills interspersed with small plateaus, while the southern approach sees similar undulating terrain that continues toward Atibaia. This varied topography has historically supported diverse agricultural activities, including coffee plantations that have shaped the cultural and economic landscape of the region.Optimal Areas for Solar PV Development
For large-scale solar photovoltaic installations, the most suitable areas near Jarinu would be the gently sloping hills with southern, eastern, or western exposures. The moderately elevated plateaus to the north and northwest of Jarinu offer particularly promising conditions, as they feature relatively flat terrain with minimal shading from surrounding landforms. The areas between Jarinu and Campo Limpo Paulista present several favorable locations where the topography flattens into small plateaus with good exposure to the sun throughout the day. These locations also benefit from reduced vegetation density compared to other surrounding areas, minimizing clearing requirements for solar installations. Secondary optimal zones can be found in the cleared agricultural lands to the northeast of Jarinu, where the rolling hills provide sufficient flat areas for extensive panel arrays. These locations offer the added advantage of existing access infrastructure due to agricultural development. The terrain southwest toward Itatiba also presents viable options, though careful site selection would be necessary to avoid the more steeply inclined slopes in this direction. Areas with slopes exceeding 15 degrees would generally be less economical for large-scale installations due to increased construction complexity and potential shading issues. It's worth noting that while the undulating topography does present some challenges for very large contiguous installations, the moderate nature of most slopes in the region means that with proper site selection and design, substantial solar PV capacity could be accommodated in numerous locations within a 20-kilometer radius of Jarinu.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
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Sunday 29th of June 2025
Last Updated: Tuesday 5th of August 2025
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.




