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Flag of BrazilSolar PV Analysis of Remanso, Brazil

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

Solar Energy Potential in Remanso, Bahia, Brazil

Remanso, Bahia, Brazil, located in the tropical region at latitude -9.6276 and longitude -42.0779, offers excellent conditions for solar energy production throughout the year. This location benefits from the consistent sunlight typical of tropical regions, where seasonal variations are primarily defined by wet and dry periods rather than significant changes in daylight duration. The solar electricity generation potential at Remanso shows remarkable consistency across all seasons. During summer, each kilowatt of installed solar capacity produces approximately 6.20 kWh per day. Autumn sees a slight increase to 6.30 kWh per day, while winter performance improves further to 6.55 kWh per day. The most productive season is spring, with an impressive 7.10 kWh per day for each kilowatt installed.

Optimal Panel Installation

For maximum year-round energy production in Remanso, Bahia, fixed solar panels should be tilted at 10 degrees facing North. This specific angle has been calculated to optimize solar capture throughout the year, accounting for the location's proximity to the equator and the sun's seasonal path across the sky.

Seasonal Considerations

Spring stands out as the most productive season for solar generation in Remanso, Bahia, with winter following closely behind. This pattern differs from what many might expect, as winter in tropical regions doesn't necessarily mean reduced sunlight. In fact, the slightly clearer skies during the dry season (typically winter) can contribute to enhanced solar performance.

Environmental and Weather Factors

Several environmental factors could potentially impact solar production in Remanso:
  • Dust accumulation can be significant in this semi-arid region, potentially reducing panel efficiency by creating a layer that blocks sunlight from reaching the photovoltaic cells.
  • Seasonal heavy rainfall during the wet season may temporarily reduce solar output due to cloud cover.
  • High temperatures typical of tropical regions can slightly decrease panel efficiency, as most photovoltaic systems perform better in cool, sunny conditions than in extreme heat.

Preventative Measures

To maximize solar energy production in Remanso, Bahia, several preventative measures are recommended:
  • Install panels with regular cleaning systems or implement a maintenance schedule to remove dust buildup, especially during dry seasons.
  • Consider slightly elevated mounting systems with good airflow beneath the panels to mitigate efficiency losses from high temperatures.
  • Use high-quality inverters designed to perform well in tropical conditions.
  • Implement weather-resistant components that can withstand the region's seasonal heavy rains.
  • Consider a small oversizing of the solar array to compensate for reduced output during the rainy season.
With proper installation and maintenance, Remanso's consistent solar resources can be harnessed effectively year-round, making it an ideal location for solar PV systems.

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 Remanso

Seasonal solar PV output for Latitude: -9.6276, Longitude: -42.0779 (Remanso, 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 6.20kWh/day in Summer.
Autumn
Average 6.30kWh/day in Autumn.
Winter
Average 6.55kWh/day in Winter.
Spring
Average 7.10kWh/day in Spring.

 

Ideally tilt fixed solar panels 10° North in Remanso, Brazil

To maximize your solar PV system's energy output in Remanso, Brazil (Lat/Long -9.6276, -42.0779) throughout the year, you should tilt your panels at an angle of 10° 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: -9.6276, Longitude: -42.0779, the ideal angle to tilt panels is 10° North

Seasonally adjusted solar panel tilt angles for Remanso, 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 Remanso, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 10° North tilt angle throughout the year.

Overall Best Summer Angle Overall Best Autumn Angle Overall Best Winter Angle Overall Best Spring Angle
6° South in Summer 16° North in Autumn 25° North in Winter 4° 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 Remanso, Brazil as follows: In Summer, set the angle of your panels to 6° facing South. In Autumn, tilt panels to 16° facing North for maximum generation. During Winter, adjust your solar panels to a 25° angle towards the North for optimal energy production. Lastly, in Spring, position your panels at a 4° angle facing North to capture the most solar energy in Remanso, 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 Remanso, 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 Remanso, 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 Remanso, Brazil

The topography surrounding Remanso, Brazil is characterized by a semi-arid landscape typical of the northeastern Brazilian interior. Located in the state of Bahia, this region sits within the São Francisco River basin, featuring undulating terrain with modest elevation changes. The area presents a mix of gently rolling hills and flatter plateaus, with elevations generally ranging between 400 and 500 meters above sea level. The São Francisco River, one of Brazil's most important waterways, flows near Remanso, creating a significant geographical feature in this otherwise dry landscape. The construction of the Sobradinho Dam in the 1970s created the Sobradinho Reservoir, which has significantly altered the local topography, submerging what was once the old town of Remanso and forcing its relocation. This large body of water now forms a distinctive element in the regional landscape.

Vegetation and Soil Conditions

The natural vegetation around Remanso consists primarily of caatinga, a type of desert vegetation unique to Brazil's northeast region. This ecosystem features drought-resistant shrubs, cacti, and sparse tree cover adapted to the region's limited rainfall. The soil tends to be thin and rocky in many places, with areas of exposed bedrock interspersed with more fertile patches. During the brief rainy season, the landscape can transform temporarily with bursts of greenery, but the predominant appearance is of a sun-baked, semi-arid terrain. This combination of sparse vegetation and open terrain creates minimal natural shading across large portions of the area.

Optimal Areas for Solar PV Development

For large-scale solar photovoltaic development, the most suitable areas near Remanso would be the elevated plateaus and gently sloping hillsides that feature minimal vegetation and good drainage. These areas benefit from several advantageous characteristics: The flat or gently sloping plateaus to the west and southwest of Remanso offer ideal conditions for solar installations, with natural terrain that would require minimal grading and preparation. These elevated areas typically have less dust accumulation than lower-lying regions, which helps maintain panel efficiency. Areas with southerly aspects (north-facing in the Southern Hemisphere) would provide optimal sun exposure throughout the year. The relatively sparse vegetation means minimal clearing would be required, reducing both environmental impact and development costs. Locations that maintain a reasonable distance from the Sobradinho Reservoir but are close enough to access water for panel cleaning operations represent a good compromise. The extremely arid zones further from water sources might present maintenance challenges despite their excellent solar exposure. It's worth noting that the rocky soil conditions in some areas might increase installation costs but could provide stable foundations for mounting systems. Areas with thinner soil layers overlying solid bedrock would minimize concerns about soil erosion under panel arrays. The regions approximately 10-15 kilometers west of the town center, where the terrain rises slightly and features more consistent exposure to sunlight, appear particularly promising for large-scale solar development. These areas combine the necessary topographical features with practical considerations like potential access to existing transportation 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 Remanso, Brazil
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Wednesday 28th of May 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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