Barra dos Coqueiros, Brazil presents an excellent location for year-round solar energy generation. Situated in the tropics at coordinates -10.8277, -36.9609, this coastal city in Sergipe state benefits from consistent sunlight throughout most of the year, with seasons characterized more by wet and dry periods rather than dramatic temperature variations.

Solar Energy Production Potential

The solar energy output at Barra dos Coqueiros demonstrates strong year-round performance. Spring delivers the highest production at 7.23 kWh per day per kW of installed solar capacity, closely followed by summer at 7.06 kWh per day. These peak seasons coincide with the region's dry period when cloud cover is minimal and atmospheric conditions are most favorable for solar generation. Autumn production drops to 6.07 kWh per day per kW, while winter shows the lowest output at 5.37 kWh per day per kW. However, even during the lowest production period, the output remains substantial, making this location highly suitable for consistent solar energy generation throughout the year. For optimal performance, solar panels should be installed at a fixed tilt angle of 9 degrees North. This angle maximizes total year-round production by accounting for the sun's path throughout the seasons and the location's proximity to the equator.

Environmental and Weather Challenges

Several local factors could potentially impact solar production efficiency at this coastal location:

• Salt air corrosion: The proximity to the Atlantic Ocean means solar installations face constant exposure to salt-laden air, which can corrode metal components and degrade electrical connections over time
• High humidity levels: Tropical coastal conditions create persistent moisture that can affect electrical components and reduce panel efficiency
• Seasonal rainfall: During wet season periods, increased cloud cover and frequent precipitation can temporarily reduce solar output
• Sand and dust accumulation: Coastal winds can deposit sand and salt residue on panel surfaces, reducing light transmission and energy production

Preventative Installation Measures

To maximize energy production despite these challenges, several preventative measures should be implemented during installation. Using marine-grade aluminum mounting systems and stainless steel hardware provides superior corrosion resistance compared to standard materials. All electrical connections should be sealed with marine-grade enclosures and corrosion-resistant coatings. Installing panels with anti-reflective, easy-clean glass surfaces helps minimize the impact of dust and salt buildup. Regular maintenance schedules should include frequent cleaning, particularly during dry seasons when dust accumulation is highest. Proper drainage design ensures rainwater flows away from mounting systems and electrical components. Selecting solar panels and inverters specifically rated for high-humidity tropical environments ensures longer equipment life and maintained efficiency. Additionally, installing monitoring systems allows for quick identification of performance issues related to environmental factors. Despite these considerations, Barra dos Coqueiros remains an excellent location for solar energy generation, with the preventative measures being standard practices for coastal installations that effectively mitigate potential production losses.

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 Barra Dos Coqueiros

Seasonal solar PV output for Latitude: -10.8277, Longitude: -36.9609 (Barra Dos Coqueiros, 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 Barra Dos Coqueiros, Brazil

To maximize your solar PV system's energy output in Barra Dos Coqueiros, Brazil (Lat/Long -10.8277, -36.9609) 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 Barra Dos Coqueiros, 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 Barra Dos Coqueiros, 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	5° 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 Barra Dos Coqueiros, 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 Barra Dos Coqueiros, 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 Barra Dos Coqueiros, Brazil

Topographical Features of Barra dos Coqueiros

Barra dos Coqueiros sits in the northeastern state of Sergipe, Brazil, positioned along the Atlantic coastline where the Sergipe River meets the ocean. The municipality occupies a relatively flat coastal plain characterized by gentle undulations and low-lying terrain that rarely exceeds 50 meters above sea level. This coastal location places it within the broader Atlantic Forest biome transition zone, though much of the original vegetation has been modified by human activity over centuries.

The landscape around Barra dos Coqueiros features a mix of sandy coastal plains, river valleys, and low rolling hills typical of Brazil's northeastern coastal region. The Sergipe River forms a significant geographical boundary, creating fertile alluvial deposits along its banks while the Atlantic Ocean influences the eastern portions with coastal dunes, beaches, and maritime vegetation. Inland areas transition into gently undulating terrain with scattered palm groves, agricultural fields, and patches of secondary forest growth.

The region experiences a tropical climate with distinct wet and dry seasons, supporting vegetation that ranges from coastal mangroves and restinga formations near the ocean to more diverse Atlantic Forest remnants in inland areas. Soil composition varies from sandy coastal soils to more fertile clay-rich deposits in river valleys and slightly elevated areas. The relatively stable geological foundation consists primarily of sedimentary formations typical of Brazil's coastal plains.

Optimal Areas for Large-Scale Solar Development

The inland areas southwest and west of Barra dos Coqueiros present the most favorable conditions for large-scale solar photovoltaic installations. These zones offer several key advantages including relatively flat to gently rolling terrain that minimizes grading requirements and construction costs. The slightly elevated areas, typically 20-40 meters above sea level, provide good drainage while remaining easily accessible for equipment transport and maintenance operations.

Areas located approximately 5-15 kilometers inland from the coast would be particularly well-suited for solar development. These locations benefit from reduced salt air exposure compared to immediate coastal zones, which can cause accelerated corrosion of solar equipment. The inland positioning also typically offers more stable ground conditions and reduced risk from coastal storms while maintaining excellent solar exposure due to the open, relatively flat landscape.

The agricultural lands and former pasture areas in the municipalities surrounding Barra dos Coqueiros, particularly those with minimal tree cover and gentle slopes facing south or southeast, would provide ideal conditions for solar arrays. These areas often feature existing road infrastructure that could support construction and maintenance activities. The proximity to existing electrical transmission infrastructure connecting the region to Brazil's national grid system would also facilitate grid connection for large-scale solar projects.

Developers should focus on areas with minimal environmental sensitivity, avoiding wetlands, remaining forest fragments, and steep slopes near waterways. The best sites would be those with consistent gentle gradients, good soil stability, and existing cleared land use patterns such as degraded pasture or low-intensity agriculture that would not compete with high-value land uses.

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.