Breu Branco, Pará, Brazil offers excellent conditions for year-round solar energy generation. Located in the tropical region at coordinates -3.7685, -49.2262, this area benefits from consistent sunlight throughout the year, with seasonal variations defined more by wet and dry periods rather than dramatic temperature changes.

Solar Energy Output Performance

The solar energy production data for Breu Branco shows remarkably consistent performance across all seasons. Summer delivers 5.17 kWh per day per kW of installed solar capacity, while autumn increases to 5.72 kWh/day. Winter provides the highest output at 5.92 kWh/day, followed closely by spring at 5.87 kWh/day. This location demonstrates exceptional stability for solar generation, with winter and spring being the optimal seasons for maximum energy production. The relatively small variation between seasons (only about 0.75 kWh difference between the lowest and highest performing seasons) makes this an ideal location for predictable, year-round solar energy generation.

Optimal Panel Installation

For fixed panel installations at Breu Branco, Pará, the ideal tilt angle to maximize total year-round solar production is 4 degrees North. This calculation takes into account the daily solar elevation angles at this latitude, optimal panel positioning, and weights these factors using solar irradiance data while accounting for Earth's elliptical orbit around the sun.

Environmental and Weather Challenges

Several local factors could potentially impact solar energy production in this tropical location:

• Heavy rainfall during wet season: Extended periods of rain and cloud cover can significantly reduce solar irradiance
• High humidity levels: Persistent moisture in the air can create haze and reduce solar panel efficiency
• Dust and debris accumulation: Tropical environments often have high levels of pollen, leaves, and organic matter that can coat panels
• Potential for severe weather: Tropical storms or high winds could damage installations

Preventative Measures for Optimal Performance

To ensure maximum energy production despite these challenges, several installation strategies should be considered:

• Regular cleaning systems: Install automated cleaning systems or establish frequent manual cleaning schedules to remove debris and maintain panel efficiency
• Proper drainage design: Ensure installations have adequate drainage to prevent water pooling and allow quick drying after rainfall
• Robust mounting systems: Use heavy-duty mounting hardware designed to withstand tropical weather conditions and high winds
• Ventilation considerations: Allow adequate airflow around panels to prevent overheating and moisture buildup
• Quality panel selection: Choose solar panels specifically rated for high humidity and temperature variations typical of tropical climates

Despite these potential challenges, Breu Branco's consistent high solar output throughout the year makes it an excellent location for solar energy investment, provided proper installation and maintenance practices are followed.

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 Breu Branco

Seasonal solar PV output for Latitude: -3.7685, Longitude: -49.2262 (Breu Branco, 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 4° North in Breu Branco, Brazil

To maximize your solar PV system's energy output in Breu Branco, Brazil (Lat/Long -3.7685, -49.2262) throughout the year, you should tilt your panels at an angle of 4° 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 Breu Branco, 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 Breu Branco, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 4° North tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
12° South in Summer	10° North in Autumn	19° North in Winter	2° 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 Breu Branco, 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 Breu Branco, 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 Breu Branco, Brazil

Topographical Features of the Breu Branco Region

The area around Breu Branco in the state of Pará sits within the Amazon Basin, characterized by relatively gentle terrain that forms part of the expansive lowland plains typical of this region. The landscape consists predominantly of flat to gently rolling topography, with elevations generally ranging from approximately 50 to 200 meters above sea level. This creates an environment where significant elevation changes are uncommon, making the terrain naturally conducive to large-scale development projects. The region features extensive areas of cleared land interspersed with remaining forest patches, reflecting the ongoing agricultural and pastoral activities that have shaped the local landscape. Much of the surrounding terrain has been modified from its original forest cover, creating open spaces that could potentially accommodate solar installations without the need for extensive clearing of primary forest.

Drainage Patterns and Water Features

The Tocantins River system dominates the hydrological landscape of this area, with the main river channel flowing northward toward its eventual confluence with the Amazon River. Numerous smaller tributaries and seasonal waterways create a dendritic drainage pattern across the region, though these water features generally flow through shallow valleys that do not create dramatic topographical barriers. During the wet season, some lower-lying areas experience temporary flooding, while the dry season reveals extensive flat areas that remain well-drained throughout much of the year. The presence of the Tucuruí Dam upstream has also influenced local water patterns, creating more predictable water levels in some areas while potentially affecting seasonal flood plains.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for extensive solar photovoltaic installations would be the elevated plateaus and gently sloping areas that remain above the seasonal flood zones. These areas typically sit at elevations between 100 and 180 meters above sea level, providing natural drainage while avoiding the potential complications of seasonal inundation. Areas to the east and southeast of Breu Branco present particularly favorable conditions, where the terrain consists of broad, relatively flat expanses with minimal tree cover and good accessibility via existing road networks. These locations offer the dual advantages of stable ground conditions and proximity to existing electrical infrastructure, including transmission lines associated with the regional power grid. The western portions of the region also contain suitable terrain, particularly in areas where pastoral activities have created large open spaces on stable, well-drained soils. These locations benefit from gentle south-facing slopes that could optimize solar panel positioning while maintaining the relatively flat conditions necessary for efficient installation and maintenance.

Infrastructure and Accessibility Considerations

The existing road network in the region provides reasonable access to many potential solar development sites, with the main highways connecting to smaller rural roads that serve the agricultural areas. This existing infrastructure reduces the complexity and cost of accessing suitable development sites, particularly important for large-scale projects requiring heavy equipment transport and ongoing maintenance access. The proximity to existing electrical transmission infrastructure represents another significant advantage for solar development in this region. The presence of major transmission lines serving the Tucuruí hydroelectric complex and connecting to the national grid provides potential connection points for large solar installations, reducing the need for extensive new transmission infrastructure. Areas with established land tenure and clear ownership patterns would be most practical for development, typically found in regions already converted to agricultural or pastoral use rather than areas with complex forest tenure arrangements or environmental restrictions.

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.