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Graph of hourly avg kWh electricity output per kW of Solar PV installed in Salto De Pirapora, Brazil (by season)

Solar Energy Potential in Salto de Pirapora, Brazil

Salto de Pirapora, Brazil, located in the Southern Sub Tropics, offers a favorable environment for solar PV energy generation throughout the year. This location demonstrates good solar potential with seasonal variations that allow for consistent electricity production. The seasonal electricity output per kilowatt of installed solar capacity shows a predictable pattern. Summer months are the most productive, generating approximately 6.56 kWh per day for each kilowatt installed. Spring follows as the second most productive season with 5.90 kWh/day, while autumn provides a respectable 5.28 kWh/day. Winter, though less productive, still delivers 4.39 kWh/day, which remains viable for energy generation.

Optimal Panel Installation

For fixed solar panel installations in Salto de Pirapora, the ideal tilt angle to maximize year-round energy production is 22 degrees facing North. This specific angle has been calculated based on the location's latitude and seasonal solar patterns to optimize annual electricity generation.

Seasonal Considerations

The summer months (December through February) represent the prime period for solar energy harvesting in this region, with nearly 50% more daily energy production compared to winter. Spring months also offer excellent generation potential, making September through November an ideal time for solar energy production. While winter shows reduced output, the difference between the highest and lowest producing seasons is less dramatic than in locations further from the equator, making Salto de Pirapora suitable for year-round solar energy production.

Potential Challenges and Solutions

Several environmental factors could affect solar production at this location:
  • Seasonal rainfall patterns, particularly during summer thunderstorms, may temporarily reduce production during otherwise peak months
  • High humidity levels in this subtropical climate can create condensation on panels, potentially reducing efficiency
  • Dust accumulation during dry periods can gradually diminish panel performance
To mitigate these challenges, installation should include proper drainage systems, regular cleaning schedules, and potentially self-cleaning panel technologies. Panels should be installed with sufficient elevation to prevent vegetation shading and minimize dust accumulation. Additionally, using high-quality inverters with broad operating ranges will help maximize production during varying weather conditions throughout the year. Overall, Salto de Pirapora represents a good location for solar PV installation with consistent year-round generation potential, especially when properly optimized with the recommended 22-degree northward tilt.

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 Salto De Pirapora

Seasonal solar PV output for Latitude: -23.6575, Longitude: -47.607 (Salto De Pirapora, 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:

Summer
Average 6.56kWh/day in Summer.
Autumn
Average 5.28kWh/day in Autumn.
Winter
Average 4.39kWh/day in Winter.
Spring
Average 5.90kWh/day in Spring.

 

Ideally tilt fixed solar panels 22° North in Salto De Pirapora, Brazil

To maximize your solar PV system's energy output in Salto De Pirapora, Brazil (Lat/Long -23.6575, -47.607) 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.

The sun
At Latitude: -23.6575, Longitude: -47.607, the ideal angle to tilt panels is 22° North

Seasonally adjusted solar panel tilt angles for Salto De Pirapora, 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 Salto De Pirapora, 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

Assuming you can modify the tilt angle of your solar PV panels throughout the year, you can optimize your solar generation in Salto De Pirapora, Brazil as follows: In Summer, set the angle of your panels to 8° facing North. In Autumn, tilt panels to 29° facing North for maximum generation. During Winter, adjust your solar panels to a 39° angle towards the North for optimal energy production. Lastly, in Spring, position your panels at a 17° angle facing North to capture the most solar energy in Salto De Pirapora, Brazil.

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 Salto De Pirapora, 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 Salto De Pirapora, 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.






Please enter information above to calculate panel spacing.

Topography for solar PV around Salto De Pirapora, Brazil

Salto de Pirapora is situated in the southeastern region of São Paulo state in Brazil, characterized by a varied and distinctive topographical landscape. The terrain around this municipality features rolling hills and undulating plains typical of the Atlantic Plateau region, with elevations generally ranging between 600 and 900 meters above sea level.

Topographical Features

The area surrounding Salto de Pirapora displays a transition zone between the Serra do Mar mountain range to the southeast and the inland plateau regions. This creates a landscape of gentle to moderate slopes interspersed with small valleys carved by local waterways. The Pirapora River, a significant geographical feature for which the municipality is partially named, cuts through the region and contributes to its varied relief. To the east and southeast, the terrain becomes gradually more rugged as it approaches the higher elevations of the Serra de São Francisco, which forms part of the greater Serra do Mar mountain system. In contrast, the western and northwestern portions of the region exhibit gentler topography with more expansive plateaus and broader valleys.

Vegetation and Land Use

The natural vegetation in the region has been significantly altered by human activity, with original Atlantic Forest coverage now fragmented and interspersed with agricultural lands, pastures, and urban development. The remaining patches of forest are typically found on steeper slopes and along watercourses where farming and development have been less intensive.

Potential for Solar PV Development

When considering areas suitable for large-scale solar photovoltaic installations around Salto de Pirapora, several factors related to topography become important. The most promising locations would be: The northwestern plains and plateaus offer the most favorable conditions for solar PV development. These areas feature relatively flat terrain with gentle slopes facing north (optimal for the Southern Hemisphere), providing good solar exposure throughout the day. The reduced gradient minimizes installation challenges and costs associated with ground preparation. Secondary suitable areas include the moderate slopes on the western side of the municipality. While requiring some terrain adaptation, these locations still present viable opportunities for solar installations, particularly on north-facing inclines that naturally maximize solar exposure. Areas to avoid would include the more rugged eastern territories approaching the Serra de São Francisco, where steeper slopes create challenges for installation and maintenance of solar arrays. Similarly, the river valleys with their flood risks and morning fog tendencies would be less ideal for solar energy capture. The central plateau regions between the main urban areas also offer potential for solar development, though careful planning would be needed to balance land use with existing agricultural activities that form an important part of the local economy.

Infrastructure Considerations

The existing road network around Salto de Pirapora provides reasonable access to many of the topographically suitable areas, particularly in the western and northwestern sectors. This infrastructure advantage reduces development costs for solar projects by minimizing the need for extensive new access construction. The municipality's proximity to São Paulo state's robust electrical grid presents opportunities for integration of new solar generation capacity. The moderately developed nature of the region means there are still substantial land areas available that combine favorable topography with accessibility to transmission infrastructure.

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

Article: Solar PV Analysis of Salto De Pirapora, Brazil
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Saturday 28th of June 2025
Last Updated: Monday 21st of July 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.

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