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Flag of BrazilSolar PV Analysis of Frederico Westphalen, Brazil

Graph of hourly avg kWh electricity output per kW of Solar PV installed in Frederico Westphalen, Brazil (by season)

Solar Energy Production in Frederico Westphalen, Rio Grande do Sul, Brazil

Frederico Westphalen, Rio Grande do Sul, Brazil, located in the Southern Sub Tropics at latitude -27.3264 and longitude -53.3512, offers varying potential for solar energy production throughout the year. This location experiences significant seasonal fluctuations in solar energy generation capability, which is important to understand when planning a solar PV installation. The highest solar energy production occurs during the summer months, with an average daily output of 7.33 kWh per kW of installed solar capacity. Spring follows as the second most productive season, generating approximately 6.00 kWh per day for each kW installed. Autumn provides moderate production at 5.07 kWh per day, while winter shows the lowest output at just 3.72 kWh per day per kW installed.

Optimal Panel Positioning

For fixed solar panel installations in Frederico Westphalen, Rio Grande do Sul, the ideal tilt angle to maximize year-round energy production is 24 degrees facing North. This angle has been calculated by analyzing the sun's position throughout the year and weighting the optimal daily angles according to solar potential at this specific location.

Environmental and Weather Considerations

Several environmental factors could potentially impact solar production in Frederico Westphalen:
  • Heavy rainfall during certain periods of the year, particularly in spring and summer, may temporarily reduce solar output and require regular panel cleaning
  • Occasional hailstorms could pose a risk to panel integrity
  • Dust and pollen accumulation, especially during dry periods, can gradually decrease panel efficiency
To mitigate these challenges, solar installations in this region should incorporate high-quality, hail-resistant panels with self-cleaning properties or a slight tilt to facilitate natural cleaning during rainfall. Regular maintenance schedules should be implemented, particularly before and after the rainy season. Additionally, installing panels with higher efficiency ratings can help maximize production during the less productive winter months. The significant seasonal variation—with summer producing nearly twice the energy of winter—suggests that system sizing should account for these fluctuations to ensure adequate year-round energy supply.

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 Frederico Westphalen

Seasonal solar PV output for Latitude: -27.3264, Longitude: -53.3512 (Frederico Westphalen, 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 7.33kWh/day in Summer.
Autumn
Average 5.07kWh/day in Autumn.
Winter
Average 3.72kWh/day in Winter.
Spring
Average 6.00kWh/day in Spring.

 

Ideally tilt fixed solar panels 24° North in Frederico Westphalen, Brazil

To maximize your solar PV system's energy output in Frederico Westphalen, Brazil (Lat/Long -27.3264, -53.3512) throughout the year, you should tilt your panels at an angle of 24° 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: -27.3264, Longitude: -53.3512, the ideal angle to tilt panels is 24° North

Seasonally adjusted solar panel tilt angles for Frederico Westphalen, 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 Frederico Westphalen, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 24° North tilt angle throughout the year.

Overall Best Summer Angle Overall Best Autumn Angle Overall Best Winter Angle Overall Best Spring Angle
11° North in Summer 33° North in Autumn 42° North in Winter 20° 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 Frederico Westphalen, Brazil as follows: In Summer, set the angle of your panels to 11° facing North. In Autumn, tilt panels to 33° facing North for maximum generation. During Winter, adjust your solar panels to a 42° angle towards the North for optimal energy production. Lastly, in Spring, position your panels at a 20° angle facing North to capture the most solar energy in Frederico Westphalen, 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 Frederico Westphalen, 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 Frederico Westphalen, 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 Frederico Westphalen, Brazil

The landscape surrounding Frederico Westphalen, Brazil presents a diverse topographical profile characteristic of the northern Rio Grande do Sul state. Located in southern Brazil, this municipality sits within a region of undulating terrain that transitions between the higher elevations of the southern Brazilian plateau and the lower Uruguay River basin.

Topographical Features

Frederico Westphalen occupies an area with moderately hilly terrain, with elevations generally ranging between 400 and 600 meters above sea level. The topography consists of rolling hills interspersed with shallow valleys, creating a gently undulating landscape. This region represents the southern extension of the Brazilian Highlands, specifically part of the Paraná Plateau formation. The terrain gradually slopes downward toward the west, where the Uruguay River forms the border with Argentina. This gradual descent creates a series of plateaus and terraces that characterize the local landscape. Several smaller rivers and streams have carved modest valleys throughout the region, contributing to the varied relief. The soil composition in this area typically consists of fertile terra roxa (red earth), a product of basaltic rock weathering, which is common throughout much of southern Brazil. This geological foundation influences both the topographical features and agricultural potential of the region.

Vegetation and Land Use

The natural vegetation around Frederico Westphalen historically consisted of mixed forests with elements of both the Atlantic Forest and Araucaria moist forests. Today, much of the landscape has been modified for agricultural use, with significant portions dedicated to crops such as soybeans, corn, wheat, and tobacco. Patches of native forest remain, particularly along waterways and on steeper slopes less suitable for farming.

Solar PV Potential Areas

For large-scale solar photovoltaic installations, several areas near Frederico Westphalen present favorable conditions based on topographical considerations: The gently sloping plateaus to the east and northeast of the municipality offer promising locations for solar farms. These areas combine relatively flat terrain with slight southern to northern inclinations that can optimize solar exposure throughout the day. The elevated nature of these plateaus also reduces concerns about morning fog or mist that might accumulate in lower valleys. The more open agricultural lands to the west of Frederico Westphalen, where the terrain begins its gradual descent toward the Uruguay River, also present opportunities for solar development. These areas typically feature fewer obstructions from vegetation and less dramatic elevation changes, simplifying construction and maintenance of large installations. Several of the broader hilltops and ridge lines throughout the region could accommodate smaller but still significant solar arrays. These elevated positions often benefit from unobstructed exposure to sunlight throughout the day, though careful site selection would be necessary to avoid areas with excessive slope.

Topographical Challenges

Despite the generally favorable conditions, certain topographical features present challenges for large-scale solar development. The more deeply incised valleys, particularly those running east-west, may experience reduced direct sunlight during portions of the day due to shadowing from adjacent hills. Additionally, some of the steeper slopes would require significant grading work to prepare for solar installation, potentially increasing environmental impact and construction costs. Areas near the river systems may experience higher humidity levels and occasional flooding, making them less ideal for solar infrastructure. The remaining patches of native forest also represent zones where environmental preservation concerns would likely outweigh energy development priorities. The moderate relief of the region generally provides good drainage, which helps prevent water accumulation that could damage solar equipment. However, site-specific hydrological assessments would be necessary during the planning phase of any major solar project.

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 Frederico Westphalen, Brazil
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Sunday 8th of June 2025
Last Updated: Monday 21st of July 2025

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