Nossa Senhora das Dores, Brazil presents excellent conditions for year-round solar energy generation. Located in the tropical zone at coordinates -10.4536, -37.2468, this region benefits from consistent sunlight throughout the year, with seasonal variations driven more by wet and dry periods than by dramatic changes in sun angle.

Solar Energy Production Performance

The solar energy output data reveals strong performance across all seasons. Spring emerges as the peak production period, generating 6.68 kWh per day per kW of installed solar capacity. Summer follows closely with 6.25 kWh/day per kW, making these the optimal months for solar energy generation. Autumn maintains good productivity at 5.50 kWh/day per kW, while winter shows the lowest output at 4.81 kWh/day per kW. However, even the winter performance remains quite respectable for solar energy systems, demonstrating the location's year-round viability. For maximum energy production, solar panels should be installed at a fixed tilt angle of 9 degrees facing north. This optimal angle maximizes total annual solar output by accounting for the sun's path throughout the year and the location's specific latitude.

Environmental Factors Affecting Solar Production

Several environmental factors could potentially impact solar energy production at this tropical Brazilian location:

• Heavy rainfall during wet season: Extended periods of cloud cover and rain can significantly reduce solar irradiance
• High humidity levels: Tropical humidity can create moisture buildup on panels and reduce efficiency
• Dust and debris accumulation: Dry season conditions may lead to dust coating panels, blocking sunlight
• Intense heat: High temperatures can reduce panel efficiency despite abundant sunlight

Preventative Measures for Optimal Performance

To maximize solar energy production despite these challenges, several installation strategies prove effective: Regular cleaning schedules become essential, particularly during transitions between wet and dry seasons. Installing panels with adequate spacing allows for proper air circulation, helping to manage heat buildup and reduce efficiency losses from high temperatures. Choosing high-quality panels with good heat tolerance ratings ensures better performance during intense tropical conditions. Proper drainage systems prevent water accumulation that could lead to long-term damage or reduced output. Tilt mounting systems not only optimize sun exposure but also help panels self-clean during rainfall, reducing maintenance requirements. Anti-reflective coatings can further improve performance by maximizing light absorption even under challenging atmospheric conditions. Despite these environmental considerations, Nossa Senhora das Dores represents a highly favorable location for solar energy generation, with consistent production capabilities that make it well-suited for both residential and commercial solar installations.

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 Nossa Senhora Das Dores

Seasonal solar PV output for Latitude: -10.4536, Longitude: -37.2468 (Nossa Senhora Das Dores, 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 9° North in Nossa Senhora Das Dores, Brazil

To maximize your solar PV system's energy output in Nossa Senhora Das Dores, Brazil (Lat/Long -10.4536, -37.2468) throughout the year, you should tilt your panels at an angle of 9° 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 Nossa Senhora Das Dores, 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 Nossa Senhora Das Dores, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 9° North tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
5° South in Summer	16° North in Autumn	26° North in Winter	4° North 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 Nossa Senhora Das Dores, 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 Nossa Senhora Das Dores, 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 Nossa Senhora Das Dores, Brazil

Topographical Overview

Nossa Senhora das Dores is situated in the northeastern state of Sergipe, Brazil, within a region characterized by gently rolling terrain and relatively modest elevation changes. The landscape around this municipality features predominantly flat to slightly undulating topography, with elevations typically ranging from 100 to 300 meters above sea level. This area forms part of the broader coastal plain and interior plateau transition zone that defines much of Sergipe's geography. The terrain consists largely of sedimentary formations with occasional low hills and gentle slopes. The region experiences a semi-arid to sub-humid climate, resulting in vegetation that transitions from caatinga scrubland to patches of Atlantic Forest remnants in more favorable locations. The soil composition includes sandy and clay-based sediments, with some areas featuring exposed rock outcroppings that are characteristic of the Brazilian Northeast's geological structure.

Drainage and Water Features

The area is drained by several small seasonal streams and tributaries that flow toward larger river systems. During the wet season, these waterways become more prominent, while many smaller channels may run dry during extended dry periods. The relatively flat topography means that water tends to collect in natural depressions, creating temporary wetlands and small reservoirs that local communities often utilize for water storage. The drainage patterns generally follow the gentle slope of the land toward the Atlantic coast, though the gradient is quite gradual. This results in a landscape where water management becomes important for both agricultural activities and potential industrial developments like solar installations.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for large-scale solar photovoltaic installations around Nossa Senhora das Dores would be the expansive flat areas and gentle slopes that dominate the regional landscape. These areas offer several advantages for solar development, including minimal grading requirements, reduced construction costs, and optimal panel positioning possibilities. The slightly elevated plateau areas to the west and southwest of the municipality present particularly attractive opportunities. These locations combine relatively flat terrain with good drainage characteristics, reducing concerns about water accumulation during heavy rainfall periods. The stable geological foundation in these areas also provides excellent support for large solar arrays and associated infrastructure. Areas with gentle southward-facing slopes would be especially well-suited for solar installations, as they can maximize solar exposure while maintaining manageable construction conditions. The open landscape with sparse vegetation cover means that land clearing requirements would be minimal, further reducing development costs and environmental impact.

Infrastructure Considerations

The region's proximity to existing road networks and electrical transmission infrastructure makes it particularly attractive for solar development. The relatively flat terrain facilitates the construction of access roads and the installation of electrical equipment necessary for grid connection. Areas closer to the main transportation corridors, particularly those with good access to state highways, would offer logistical advantages for both construction and ongoing maintenance operations. The stable geological conditions throughout most of the region mean that foundation requirements for solar installations would be straightforward, without the complications that might arise in areas with significant bedrock variations or unstable soils. This geological stability, combined with the gentle topography, creates ideal conditions for the precise alignment and secure mounting of large solar arrays.

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.