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Flag of BrazilSolar PV Analysis of Rio Bananal, Brazil

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

Rio Bananal, Espírito Santo, Brazil presents a highly favorable location for year-round solar photovoltaic energy generation. This tropical location demonstrates consistently strong solar output throughout all seasons, making it an excellent choice for solar installations.

Solar Energy Performance

The location delivers impressive energy production across all meteorological seasons. Summer provides the peak performance at 5.93 kWh per day per kW of installed solar capacity, while spring generates 5.19 kWh/day per kW. Autumn maintains strong output at 5.50 kWh/day per kW, and even winter, the lowest-performing season, still produces a respectable 4.39 kWh/day per kW. For optimal year-round energy capture, solar panels at Rio Bananal should be installed at a fixed tilt angle of 18 degrees facing north. This angle maximizes total annual production by accounting for the sun's varying position throughout the year and the location's specific latitude.

Seasonal Advantages

The summer and autumn months represent the ideal periods for solar generation at this location, with both seasons producing over 5.5 kWh daily per installed kW. The relatively modest drop in winter performance indicates that Rio Bananal maintains reliable solar potential year-round, which is characteristic of its tropical climate where seasonal variations are less extreme than in temperate regions.

Environmental and Weather Considerations

Several local factors could potentially impact solar production at Rio Bananal and require careful consideration during installation planning. The tropical climate brings high humidity levels throughout much of the year, which can reduce solar panel efficiency and accelerate corrosion of electrical components. Salt air from the nearby Atlantic coast may also contribute to corrosion issues over time. Intense tropical rainfall during wet seasons can create challenges, though it also provides natural panel cleaning. However, heavy downpours may temporarily reduce solar output and could potentially damage improperly secured installations.

Preventative Installation Measures

To maximize energy production despite these environmental challenges, several protective measures should be implemented:
  • Use marine-grade aluminum mounting systems and stainless steel hardware to resist corrosion from humidity and salt air
  • Apply anti-corrosive coatings to all metal components and ensure proper grounding systems
  • Install panels with adequate spacing for air circulation to reduce heat buildup and moisture accumulation
  • Design robust mounting systems capable of withstanding heavy rainfall and potential wind loads
  • Implement proper drainage systems to prevent water pooling around installations
Regular maintenance schedules should also include cleaning panels after dust storms and inspecting seals and connections for humidity-related degradation. With proper installation techniques and materials suited to the tropical environment, Rio Bananal's excellent solar resource can be effectively harnessed for reliable renewable energy generation throughout the year.

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 Rio Bananal

Seasonal solar PV output for Latitude: -19.2245, Longitude: -40.3636 (Rio Bananal, 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 5.93kWh/day in Summer.
Autumn
Average 5.50kWh/day in Autumn.
Winter
Average 4.39kWh/day in Winter.
Spring
Average 5.19kWh/day in Spring.

 

Ideally tilt fixed solar panels 18° North in Rio Bananal, Brazil

To maximize your solar PV system's energy output in Rio Bananal, Brazil (Lat/Long -19.2245, -40.3636) throughout the year, you should tilt your panels at an angle of 18° 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: -19.2245, Longitude: -40.3636, the ideal angle to tilt panels is 18° North

Seasonally adjusted solar panel tilt angles for Rio Bananal, 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 Rio Bananal, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 18° North tilt angle throughout the year.

Overall Best Summer Angle Overall Best Autumn Angle Overall Best Winter Angle Overall Best Spring Angle
3° North in Summer 25° North in Autumn 35° North in Winter 13° 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 Rio Bananal, Brazil as follows: In Summer, set the angle of your panels to 3° facing North. In Autumn, tilt panels to 25° facing North for maximum generation. During Winter, adjust your solar panels to a 35° angle towards the North for optimal energy production. Lastly, in Spring, position your panels at a 13° angle facing North to capture the most solar energy in Rio Bananal, 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 Rio Bananal, 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 Rio Bananal, 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 Rio Bananal, Brazil

Topographical Features of Rio Bananal Region

The area surrounding Rio Bananal in Espírito Santo state presents a diverse topographical landscape characteristic of Brazil's southeastern coastal region. This location sits within the broader context of the Atlantic Forest biome remnants and the transition zone between coastal lowlands and the Brazilian Highlands. The terrain features a complex mixture of rolling hills, river valleys, and scattered mountainous formations that create a varied elevation profile across the region. The immediate vicinity of Rio Bananal is dominated by undulating terrain with moderate elevation changes. The landscape consists primarily of gentle to moderate slopes interspersed with flatter valley bottoms where agricultural activities have historically taken place. Several small to medium-sized rivers and streams traverse the area, creating natural drainage patterns that have carved valleys and depressions into the underlying geology over millennia. Moving inland from the general coastal direction, the topography gradually transitions from lower-lying areas to more elevated terrain. The region experiences the influence of the Serra do Caparaó mountain range system to the west, though Rio Bananal itself is positioned at a considerable distance from the highest peaks. This proximity to mountainous regions means that the local topography includes foothills and elevated plateaus that provide varied terrain suitable for different land uses.

Optimal Areas for Large-Scale Solar Development

The most promising locations for extensive solar photovoltaic installations in the Rio Bananal vicinity would be the relatively flat to gently sloping areas found in the broader valley systems and plateau regions. These areas typically offer the necessary space for large-scale solar arrays while minimizing the engineering challenges associated with steep terrain. The flatter agricultural lands that extend across portions of the region would be particularly well-suited for solar development, as they often provide cleared areas with minimal vegetation removal requirements. The elevated plateau areas southwest and northwest of Rio Bananal present excellent opportunities for solar installations. These locations combine favorable topographical conditions with reduced shading from surrounding terrain features. The plateau regions typically experience less atmospheric moisture and fog compared to lower-lying areas, which can improve overall solar panel performance and reduce maintenance requirements related to humidity and condensation. Areas with southern-facing slopes of moderate gradient could also serve as viable locations for solar development. These slopes can be engineered to optimize panel positioning while taking advantage of natural terrain orientation. However, the most cost-effective installations would likely focus on the flatter agricultural zones and plateau areas where construction and maintenance access remains straightforward. The region's river valleys, while offering flat terrain, may present challenges related to seasonal flooding, higher humidity levels, and potential environmental restrictions. Therefore, the elevated flatter areas and gentle slopes away from major waterways would represent the most practical choices for large-scale solar photovoltaic development in the Rio Bananal area.

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 Rio Bananal, Brazil
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Monday 30th of June 2025
Last Updated: Tuesday 5th of August 2025

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Compare this location to others worldwide for solar PV potential

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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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