Bom Jesus das Selvas, Brazil represents a highly favorable location for year-round solar energy generation. Located in the tropical region at coordinates -4.5133, -46.6069, this area benefits from consistent sunlight throughout the year, with seasonal variations characterized more by wet and dry periods rather than dramatic changes in solar availability.

Solar Energy Production Performance

The solar energy output at Bom Jesus das Selvas demonstrates excellent consistency across all seasons. Winter emerges as the peak production period, generating 5.85 kWh per day per kW of installed solar capacity. Autumn follows closely with 5.73 kWh/day, while spring produces 5.63 kWh/day. Even during summer, which shows the lowest output, the location still generates a robust 5.23 kWh/day per kW. This relatively stable production pattern makes Bom Jesus das Selvas particularly attractive for solar installations, as energy output remains predictably high throughout the year. The variation between seasons is minimal, spanning only 0.62 kWh/day between the highest and lowest performing seasons.

Optimal Installation Configuration

For maximum year-round solar production at this location, fixed solar panels should be tilted at 5 degrees toward the north. This optimal angle is calculated by analyzing daily solar elevation angles at the specific latitude, determining daily optimal panel positioning, and weighting these angles according to solar irradiance data while accounting for Earth's elliptical orbit around the sun.

Environmental and Weather Challenges

Several significant environmental factors in this tropical location can impact solar energy production and require careful consideration during installation planning. The region's tropical climate brings intense humidity and frequent heavy rainfall, particularly during wet seasons. High humidity can promote corrosion of metal components and electrical connections, while heavy rains can cause water infiltration issues if systems aren't properly sealed. Additionally, the combination of high temperatures and humidity creates ideal conditions for algae and moss growth on panel surfaces, which can significantly reduce energy output. Strong tropical storms and high winds pose another considerable challenge, potentially damaging panels or mounting systems that aren't adequately secured. The intense tropical sun, while beneficial for energy production, can also accelerate degradation of panel materials and electrical components over time.

Preventative Measures for Optimal Performance

Several installation strategies can help mitigate these environmental challenges and ensure maximum energy production:

• Install panels with enhanced waterproofing and use marine-grade electrical connections and junction boxes specifically designed for high-humidity environments
• Implement robust mounting systems engineered to withstand high wind loads and tropical storm conditions
• Design installations with adequate ventilation behind panels to reduce heat buildup and improve efficiency
• Schedule regular cleaning and maintenance to remove organic growth, dust, and debris from panel surfaces
• Select solar panels and inverters with higher temperature tolerance ratings suitable for tropical climates

Regular maintenance becomes particularly crucial in this environment. Monthly cleaning schedules during wet seasons can prevent organic buildup, while quarterly inspections of electrical connections help identify potential corrosion issues before they impact system performance. Proper drainage around ground-mounted systems also prevents water accumulation that could damage equipment or create safety hazards. Despite these environmental challenges, Bom Jesus das Selvas remains an excellent location for solar energy generation. With appropriate installation techniques and regular maintenance, solar systems can achieve outstanding performance year-round while maintaining long-term reliability in this tropical environment.

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 Bom Jesus Das Selvas

Seasonal solar PV output for Latitude: -4.5133, Longitude: -46.6069 (Bom Jesus Das Selvas, 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:

 

Ideally tilt fixed solar panels 5° North in Bom Jesus Das Selvas, Brazil

To maximize your solar PV system's energy output in Bom Jesus Das Selvas, Brazil (Lat/Long -4.5133, -46.6069) throughout the year, you should tilt your panels at an angle of 5° 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.

Seasonally adjusted solar panel tilt angles for Bom Jesus Das Selvas, 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 Bom Jesus Das Selvas, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 5° North tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
11° South in Summer	11° North in Autumn	20° North in Winter	1° South in Spring

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 Bom Jesus Das Selvas, 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 Bom Jesus Das Selvas, 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.

Topography for solar PV around Bom Jesus Das Selvas, Brazil

Topographical Features of the Bom Jesus das Selvas Region

Bom Jesus das Selvas sits within the Maranhão state of northeastern Brazil, positioned in a transitional zone where the Amazon Basin meets the Brazilian Highlands. The terrain around this municipality is characterized by gently rolling hills and undulating plains that rise gradually from the lowland areas. The elevation varies moderately across the region, with most areas sitting between 200 and 400 meters above sea level.

The landscape features a mix of flat to gently sloping terrain interspersed with low ridges and shallow valleys. These topographical variations create natural drainage patterns that flow toward the larger river systems in the area. The soil composition consists primarily of lateritic soils typical of tropical regions, with areas of exposed bedrock on higher elevations and alluvial deposits in the valley bottoms.

Dense tropical vegetation covers much of the natural landscape, though agricultural development has cleared significant portions for cattle ranching and crop cultivation. The region experiences distinct wet and dry seasons, which influence both the vegetation patterns and the accessibility of different areas throughout the year.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for extensive solar photovoltaic installations would be the elevated plateau areas and gentle slopes that extend to the south and southeast of Bom Jesus das Selvas. These higher elevation zones offer several advantages, including better drainage during the rainy season and reduced risk of flooding that can affect lower-lying areas.

The relatively flat agricultural lands that have already been cleared present excellent opportunities for solar development without requiring additional deforestation. These areas typically have good road access for construction and maintenance activities, and the existing infrastructure can often be adapted to support solar installations.

Areas with southern-facing slopes would be particularly advantageous, as they can maximize solar exposure throughout the day. The moderate elevation changes in the region mean that most potential sites would not require extensive grading or earthwork, keeping development costs reasonable while maintaining good solar access.

The eastern portions of the municipality, where the terrain becomes more consistently flat and open, would also be well-suited for large solar arrays. These areas benefit from existing transportation networks and are generally located away from the more densely forested zones, reducing environmental impact concerns while providing ample space for utility-scale installations.

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!

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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.

Helping you assess viability of solar PV for your site

Calculate Your Optimal Solar Panel Tilt Angle: A Comprehensive Guide

Enhance your solar panel's performance with our in-depth guide. Determine the best tilt angle using hard data, debunk common misunderstandings, and gain insight into how your specific location affects solar energy production.