Cosmorama, São Paulo, Brazil presents a good location for year-round solar energy generation, with consistent sunlight typical of tropical regions where seasonal variations are primarily defined by wet and dry periods rather than dramatic temperature changes.
Solar Energy Production Throughout the Year
The solar energy output at this location shows strong performance across all seasons. Summer delivers the highest production at 7.01 kWh per day per kW of installed solar capacity, making it the peak generation period. Spring follows as the second-best season with 6.50 kWh per day per kW, while autumn produces 5.80 kWh per day per kW. Winter shows the lowest output at 5.16 kWh per day per kW, though this still represents reasonable production levels. The ideal months for solar generation are during summer and spring when output peaks, though the location maintains decent energy production even during the lower-performing winter months. This consistency makes Cosmorama suitable for reliable year-round solar energy systems.Optimal Panel Installation
For maximum year-round energy production, solar panels should be installed at a fixed tilt angle of 19 degrees facing north. This angle has been calculated to optimize total annual solar output by accounting for the sun's varying elevation throughout the year and weighting these angles according to solar irradiance data.Environmental and Weather Challenges
Several local factors could potentially impact solar energy production at this location:- Tropical rainfall and humidity: The wet season brings heavy rains and high humidity levels that can reduce solar panel efficiency and create maintenance challenges
- Dust and debris accumulation: Dry periods may lead to dust buildup on panel surfaces, reducing light transmission and energy output
- Vegetation growth: The tropical climate supports rapid plant growth that could create shading issues if not properly managed
Preventative Measures for Better Performance
To maximize solar energy production despite these challenges, several installation strategies should be considered: Regular cleaning schedules become essential, particularly after dust storms during dry periods and following heavy rains that may leave residue on panels. Installing panels with adequate spacing and ventilation helps combat humidity-related efficiency losses and prevents moisture buildup. Proper site preparation includes clearing vegetation and establishing ongoing landscape maintenance to prevent shading from growing plants. Consider installing panels at sufficient height to avoid ground-level obstructions while maintaining the optimal 19-degree tilt angle. Drainage systems around the installation area help manage heavy tropical rainfall and prevent water pooling that could affect equipment. Using corrosion-resistant mounting hardware and electrical components designed for high-humidity environments will ensure longer system life and better performance in this tropical climate.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 Cosmorama
Seasonal solar PV output for Latitude: -20.4093, Longitude: -49.7491 (Cosmorama, 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 Cosmorama, Brazil
To maximize your solar PV system's energy output in Cosmorama, Brazil (Lat/Long -20.4093, -49.7491) 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 Cosmorama, 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 Cosmorama, 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 |
|---|---|---|---|
| 4° North in Summer | 26° North in Autumn | 36° 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 Cosmorama, 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 Cosmorama, 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 Cosmorama, Brazil
Topographical Features of the Cosmorama Region
Cosmorama is situated in the northwestern portion of São Paulo state, Brazil, within a region characterized by gently rolling hills and relatively modest elevation changes. The terrain around this small municipality forms part of the broader São Paulo plateau system, with elevations typically ranging between 400 and 600 meters above sea level. The landscape consists primarily of undulating countryside with gradual slopes rather than steep mountainous terrain or dramatic elevation changes.
The area features a mix of agricultural land, pastures, and scattered woodland areas, with the topography shaped by ancient geological processes that created the characteristic gentle hills and valleys of this part of Brazil's interior. Small streams and seasonal watercourses wind through the valleys, creating a network of minor drainage channels that flow toward larger regional river systems.
The soil composition in this region is predominantly composed of weathered sedimentary and volcanic materials, creating relatively stable ground conditions. The terrain shows evidence of long-term agricultural use, with much of the natural vegetation having been cleared for farming and cattle grazing over many decades.
Optimal Areas for Large-Scale Solar Development
The most suitable locations for extensive solar photovoltaic installations around Cosmorama would be the areas of relatively flat or gently sloping terrain found on the broader hilltops and elevated plateaus. These locations offer several advantages, including stable ground conditions, minimal shading from surrounding topographical features, and good accessibility for construction and maintenance activities.
The southern-facing slopes of the rolling hills present particularly favorable conditions for solar panel placement, as they receive optimal sun exposure throughout the day. These slopes typically have gradients gentle enough to accommodate large arrays while providing natural drainage to prevent water accumulation around installations.
Areas that were previously used for extensive agriculture or cattle grazing represent prime candidates for solar development, as they often feature cleared land with established access roads and minimal environmental constraints. The relatively open nature of much of the surrounding countryside means that large contiguous areas could potentially be developed without significant topographical obstacles.
The elevated plateau areas to the east and southeast of Cosmorama appear particularly well-suited for major solar installations, as they combine favorable terrain characteristics with good regional connectivity. These locations benefit from being positioned away from the steeper valley areas where seasonal water flow might create complications, while still maintaining reasonable proximity to existing infrastructure and transmission corridors.
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: Wednesday 23rd of July 2025
Last Updated: Thursday 7th of August 2025
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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.




