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Flag of BrazilSolar PV Analysis of Boa Vista Do Gurupi, Brazil

Graph of hourly avg kWh electricity output per kW of Solar PV installed in Boa Vista Do Gurupi, Brazil (by season)

Boa Vista do Gurupi, Brazil presents an excellent location for year-round solar energy generation. Located in the tropical region at coordinates -1.7308, -46.1963, this area benefits from consistent sunlight throughout the year, with seasons characterized more by wet and dry periods rather than significant temperature variations.

Solar Energy Production Potential

The solar energy output at this location shows remarkably strong performance across all seasons. During summer months, solar panels can generate 5.13 kWh per day for each kW of installed capacity. Autumn sees a slight decrease to 5.09 kWh per day per kW, making it the lowest production period of the year. Winter brings improved conditions with 5.84 kWh per day per kW, while spring delivers the peak performance at 6.03 kWh per day per kW of installed solar capacity. This seasonal variation demonstrates that the location maintains excellent solar generation potential year-round, with spring and winter being the optimal periods for energy production. For maximum efficiency, fixed solar panels should be installed at a tilt angle of 2 degrees North. This specific angle has been calculated to optimize total year-round solar production by accounting for the sun's position throughout the seasons and the Earth's elliptical orbit patterns.

Environmental and Weather Challenges

Several significant factors could impact solar energy production in this tropical location. The wet season brings heavy rainfall and increased cloud cover, which can substantially reduce solar irradiance reaching the panels. High humidity levels throughout much of the year can also affect panel efficiency and create condensation issues. Tropical storms and intense weather events are common in this region and pose risks to solar installations. The combination of high temperatures and humidity creates ideal conditions for accelerated corrosion of metal components and degradation of electrical connections.

Preventative Measures for Optimal Performance

To maximize solar energy production despite these challenges, several installation strategies should be implemented:
  • Use marine-grade or specially coated mounting hardware designed to resist corrosion in high-humidity environments
  • Install panels with adequate spacing to promote air circulation and cooling, reducing heat-related efficiency losses
  • Implement robust drainage systems to prevent water accumulation around installations
  • Choose solar panels with anti-reflective coatings and self-cleaning properties to minimize maintenance needs during wet seasons
  • Design mounting systems to withstand high wind loads and potential storm conditions
Regular maintenance becomes particularly important in this climate. Cleaning schedules should account for increased dust and debris accumulation during dry periods, while electrical connections require more frequent inspection due to humidity-related degradation risks. Despite these environmental challenges, Boa Vista do Gurupi remains a highly favorable location for solar energy generation, with the potential issues being manageable through proper installation techniques and maintenance practices.

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 Boa Vista Do Gurupi

Seasonal solar PV output for Latitude: -1.7308, Longitude: -46.1963 (Boa Vista Do Gurupi, 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 5.13kWh/day in Summer.
Autumn
Average 5.09kWh/day in Autumn.
Winter
Average 5.84kWh/day in Winter.
Spring
Average 6.03kWh/day in Spring.

 

Ideally tilt fixed solar panels 2° North in Boa Vista Do Gurupi, Brazil

To maximize your solar PV system's energy output in Boa Vista Do Gurupi, Brazil (Lat/Long -1.7308, -46.1963) throughout the year, you should tilt your panels at an angle of 2° 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: -1.7308, Longitude: -46.1963, the ideal angle to tilt panels is 2° North

Seasonally adjusted solar panel tilt angles for Boa Vista Do Gurupi, 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 Boa Vista Do Gurupi, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 2° North tilt angle throughout the year.

Overall Best Summer Angle Overall Best Autumn Angle Overall Best Winter Angle Overall Best Spring Angle
14° South in Summer 9° North in Autumn 17° North in Winter 4° South in Spring

Assuming you can modify the tilt angle of your solar PV panels throughout the year, you can optimize your solar generation in Boa Vista Do Gurupi, Brazil as follows: In Summer, set the angle of your panels to 14° facing South. In Autumn, tilt panels to 9° facing North for maximum generation. During Winter, adjust your solar panels to a 17° angle towards the North for optimal energy production. Lastly, in Spring, position your panels at a 4° angle facing South to capture the most solar energy in Boa Vista Do Gurupi, 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 Boa Vista Do Gurupi, 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 Boa Vista Do Gurupi, 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 Boa Vista Do Gurupi, Brazil

Topographical Features Around Boa Vista do Gurupi

Boa Vista do Gurupi sits in the northeastern region of Maranhão state, Brazil, within a landscape characterized by gently rolling terrain typical of the Brazilian coastal lowlands. The area features relatively flat topography with subtle elevation changes, creating an environment that transitions between coastal plains and the beginning of the interior plateau regions. The terrain consists primarily of low-lying areas with occasional modest hills and ridges that rarely exceed significant heights above sea level. The region experiences a mix of savanna and forest vegetation, with patches of cerrado grasslands interspersed among areas of secondary forest growth. Small streams and seasonal watercourses meander through the landscape, creating shallow valleys and slight depressions in the otherwise uniform terrain. These waterways generally flow in a northeasterly direction toward the Atlantic coast, following the natural gradient of the land. The soil composition varies from sandy loams in higher areas to clay-rich deposits in the lower-lying sections near water sources. Much of the surrounding landscape has been modified for agricultural purposes, particularly cattle ranching and small-scale farming operations, which has resulted in cleared areas with minimal tree coverage across significant portions of the territory.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for large-scale solar photovoltaic installations around Boa Vista do Gurupi would be the elevated plateau areas located to the south and southwest of the town center. These areas offer several advantages including relatively flat terrain that requires minimal grading and earthwork, reducing installation costs and environmental impact. The slight elevation provides natural drainage, preventing water accumulation that could affect equipment performance or access roads. Areas that have already been cleared for agricultural purposes present excellent opportunities for solar development, as they require minimal additional vegetation removal and often have existing access infrastructure. The former pastureland and agricultural fields south of the municipality offer particularly attractive sites, with their open exposure and established road networks facilitating both construction and ongoing maintenance operations. The northwestern sections of the region also show promise, particularly in areas where the terrain remains relatively flat but sits slightly above the immediate flood plains of local waterways. These locations benefit from good drainage characteristics while maintaining the level topography essential for efficient solar panel installation and optimal sun exposure throughout the day. Areas to avoid for large-scale solar development include the lower-lying sections near streams and seasonal wetlands, where flooding risks and higher humidity levels could impact equipment longevity. Similarly, the remaining forested areas would require extensive clearing and present environmental challenges that make them less suitable for solar installations compared to already-modified landscapes.

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 Boa Vista Do Gurupi, Brazil
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Friday 18th of July 2025
Last Updated: Thursday 7th of August 2025

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Compare this location to others worldwide for solar PV potential

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