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Flag of BrazilSolar PV Analysis of Fazenda Rio Grande, Brazil

Graph of hourly avg kWh electricity output per kW of Solar PV installed in Fazenda Rio Grande, Brazil (by season)

Fazenda Rio Grande, Paraná, Brazil is a location with fluctuating solar energy potential throughout the year, experiencing its highest electricity generation during the summer months and lowest during winter. Located in the Southern Sub Tropics, this area demonstrates seasonal variations in solar PV output that are important to consider when planning a solar installation.

Seasonal Solar Performance

The solar energy production at this location shows clear seasonal patterns. During summer, each kilowatt of installed solar capacity generates an impressive 6.17 kWh per day, making it the most productive season. Spring follows with 5.05 kWh daily production per kilowatt installed, while autumn yields 4.48 kWh per day. Winter represents the lowest production period with 3.64 kWh daily per kilowatt of capacity.

This seasonal variation means that a solar PV system in Fazenda Rio Grande will produce nearly 70% more energy in summer than in winter. While this difference is significant, the location still maintains reasonable production year-round, with no season dropping below 3.5 kWh per day per kilowatt installed.

Optimal Installation Angle

For maximum year-round energy production at this location, fixed solar panels should be installed at a tilt angle of 23 degrees facing North. This specific angle has been calculated to optimize annual energy capture based on the site's latitude and seasonal solar patterns.

Environmental and Weather Considerations

Several factors could potentially affect solar production at this location:

  • Rainfall and cloud cover: The region experiences a humid subtropical climate with precipitation throughout the year, which can temporarily reduce solar output during rainy periods.
  • Dust and pollution: Being near an urban area, airborne particulates may accumulate on panels, gradually reducing efficiency.
  • Occasional hail storms: Though not frequent, they can potentially damage poorly protected installations.

To mitigate these challenges, solar installations in Fazenda Rio Grande should incorporate several preventative measures:

  • Regular cleaning schedule to remove dust and debris, particularly during drier seasons
  • High-quality panels with tempered glass that can withstand potential hail impact
  • Proper drainage systems to prevent water accumulation after heavy rains
  • Consider microinverters or power optimizers to minimize the impact of partial shading

Overall, despite seasonal variations and some environmental challenges, Fazenda Rio Grande offers good conditions for solar PV installations, especially when properly designed with these local factors in mind.

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 Fazenda Rio Grande

Seasonal solar PV output for Latitude: -25.6657, Longitude: -49.3159 (Fazenda Rio Grande, 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 6.17kWh/day in Summer.
Autumn
Average 4.48kWh/day in Autumn.
Winter
Average 3.64kWh/day in Winter.
Spring
Average 5.05kWh/day in Spring.

 

Ideally tilt fixed solar panels 23° North in Fazenda Rio Grande, Brazil

To maximize your solar PV system's energy output in Fazenda Rio Grande, Brazil (Lat/Long -25.6657, -49.3159) throughout the year, you should tilt your panels at an angle of 23° 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: -25.6657, Longitude: -49.3159, the ideal angle to tilt panels is 23° North

Seasonally adjusted solar panel tilt angles for Fazenda Rio Grande, 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 Fazenda Rio Grande, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 23° North tilt angle throughout the year.

Overall Best Summer Angle Overall Best Autumn Angle Overall Best Winter Angle Overall Best Spring Angle
10° North in Summer 31° North in Autumn 41° North in Winter 18° 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 Fazenda Rio Grande, Brazil as follows: In Summer, set the angle of your panels to 10° facing North. In Autumn, tilt panels to 31° facing North for maximum generation. During Winter, adjust your solar panels to a 41° angle towards the North for optimal energy production. Lastly, in Spring, position your panels at a 18° angle facing North to capture the most solar energy in Fazenda Rio Grande, 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 Fazenda Rio Grande, 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 Fazenda Rio Grande, 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 Fazenda Rio Grande, Brazil

The landscape surrounding Fazenda Rio Grande, situated in the southern region of Brazil, presents a diverse topographic profile characteristic of the transition between the Atlantic coastal plains and the Brazilian highlands. Located approximately 30 kilometers southwest of Curitiba, the capital of Paraná state, Fazenda Rio Grande sits at an elevation of roughly 900 meters above sea level. The terrain in this region is moderately undulating, featuring gentle hills interspersed with shallow valleys. The area forms part of the First Paraná Plateau, a geological formation that extends across much of the state. This plateau is characterized by rolling landscapes rather than steep mountains, creating a somewhat gentle topographic relief throughout the region. Several watercourses traverse the area, with the Iguaçu River being the most significant. These waterways have carved shallow valleys into the landscape over millennia, contributing to the gently rolling nature of the terrain. The soil composition is predominantly clay-based, derived from the weathering of underlying basaltic and sedimentary rock formations.

Vegetation and Land Use

The natural vegetation of the region consists primarily of subtropical forests, though much of this has been cleared for agricultural and urban development. Fazenda Rio Grande and its surroundings have experienced significant transformation from their original forested state to accommodate human activities, including farming, residential areas, and industrial zones.

Climate Considerations

The region experiences a humid subtropical climate with seasonal temperature variations. Winters are mild while summers tend to be warm but not extremely hot. Precipitation is distributed throughout the year, though there are typically drier periods that coincide with increased solar radiation.

Solar PV Potential Areas

For large-scale solar photovoltaic installations, several areas surrounding Fazenda Rio Grande show promise. The most suitable locations would be: The gently sloping areas to the west and southwest of the urban center offer favorable conditions for solar development. These locations feature relatively flat terrain with slight southern exposures that maximize solar capture in the Southern Hemisphere. The reduced vegetation density in these previously agricultural zones minimizes clearance requirements. The elevated plateaus approximately 5-10 kilometers to the north of Fazenda Rio Grande present another promising option. These areas experience minimal shadowing effects due to their elevated position and relatively uniform topography. The land in these sectors has already undergone significant modification for agricultural purposes, potentially reducing environmental impact concerns for solar development. Several brownfield sites from former industrial activities located within a 15-kilometer radius of Fazenda Rio Grande could be repurposed for solar installations. These locations typically offer existing infrastructure advantages, including access roads and proximity to power transmission networks. The southeastern corridor extending toward Curitiba features several large open spaces with minimal slope variations. While closer to urban development, these areas benefit from existing transmission infrastructure and could accommodate medium to large solar installations with minimal grading requirements. When considering these potential sites, factors beyond pure topography must be evaluated, including land ownership patterns, environmental protection zones, and proximity to transmission infrastructure. The generally favorable topographic conditions throughout much of the region suggest that large-scale solar development could be viable across numerous locations surrounding Fazenda Rio Grande.

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 Fazenda Rio Grande, Brazil
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Sunday 29th of June 2025
Last Updated: Wednesday 23rd 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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