Itabaianinha, Sergipe, Brazil presents an excellent location for year-round solar photovoltaic energy generation. Located in the tropics at coordinates -11.2716, -37.7884, this region 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 Itabaianinha demonstrates remarkably strong performance across all seasons. During summer months, solar panels can generate 6.74 kWh per day per kW of installed capacity, making this the peak production period. Spring follows closely behind with 6.78 kWh per day per kW, actually representing the highest output of the year. Autumn maintains solid production levels at 6.00 kWh per day per kW, while winter sees the lowest output at 5.11 kWh per day per kW. Even during the weakest production season, the output remains quite substantial compared to many other global locations.

Optimal Installation Configuration

For fixed panel installations at this location, the ideal tilt angle is 10 degrees facing North to maximize total year-round solar production. This relatively shallow angle reflects the location's proximity to the equator and helps optimize energy capture throughout all seasons.

Environmental and Weather Considerations

Several local factors could potentially impact solar energy production in Itabaianinha and should be considered during installation planning:

• Heavy rainfall during wet season - Can reduce solar irradiance and create temporary production dips
• High humidity levels - May accelerate corrosion of electrical components and mounting hardware
• Dust and debris accumulation - Common in tropical climates, can significantly reduce panel efficiency
• Intense UV exposure - Can potentially degrade panel materials and wiring over time

Preventative Measures for Optimal Performance

To ensure maximum energy production despite these environmental challenges, several installation strategies prove highly effective: Regular maintenance scheduling becomes crucial, with panels requiring cleaning every 4-6 weeks during dry periods and more frequent attention during dusty conditions. Installing panels at the recommended 10-degree tilt helps facilitate natural rainwater cleaning while preventing water pooling. Component selection should prioritize marine-grade or tropical-rated electrical equipment specifically designed to withstand high humidity environments. Stainless steel mounting hardware and UV-resistant cabling will significantly extend system lifespan. Drainage considerations must be incorporated into the mounting design to prevent water accumulation around electrical connections during heavy rainfall periods. Proper ventilation behind panels helps reduce moisture buildup and maintains optimal operating temperatures. Despite these considerations, Itabaianinha's consistent high solar output throughout the year makes it an exceptionally favorable location for solar energy investment, with spring and summer months offering peak generation potential.

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 Itabaianinha

Seasonal solar PV output for Latitude: -11.2716, Longitude: -37.7884 (Itabaianinha, 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 10° North in Itabaianinha, Brazil

To maximize your solar PV system's energy output in Itabaianinha, Brazil (Lat/Long -11.2716, -37.7884) throughout the year, you should tilt your panels at an angle of 10° 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 Itabaianinha, 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 Itabaianinha, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 10° North tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
4° South in Summer	17° North in Autumn	27° 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 Itabaianinha, 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 Itabaianinha, 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 Itabaianinha, Brazil

Topographical Features of Itabaianinha

Itabaianinha sits in the southeastern region of Sergipe state, Brazil, within the transition zone between the coastal lowlands and the interior highlands. The terrain around this municipality is characterized by gently rolling hills and undulating plains that gradually rise from east to west. The elevation varies moderately across the region, with the town itself positioned at approximately 200 meters above sea level.

The landscape features a mix of low-lying valleys carved by seasonal streams and broader elevated plateaus that stretch toward the interior. These plateaus are interspersed with shallow depressions and gentle slopes that create a relatively accessible terrain for development. The topography is part of the larger Borborema Plateau system, though at its more subdued eastern margins where the highland features begin to flatten toward the coast.

Drainage and Terrain Characteristics

The region's drainage pattern consists primarily of intermittent watercourses that flow eastward toward the Atlantic Ocean. These seasonal streams have created shallow valleys and gentle ridgelines throughout the area. The terrain is generally well-drained, with sandy and clay soils typical of the transition between the humid coastal zone and the semi-arid interior.

Rock outcrops are scattered throughout the landscape, though they are not dominant features. The underlying geology consists mainly of sedimentary formations with some crystalline basement rocks, creating a stable foundation across most of the region. Vegetation coverage varies from patches of Atlantic Forest remnants in moister areas to caatinga scrubland on drier slopes and plateaus.

Optimal Areas for Large-Scale Solar Development

The elevated plateaus to the west and northwest of Itabaianinha present the most favorable conditions for large-scale solar photovoltaic installations. These areas offer several advantages including relatively flat terrain that minimizes grading requirements, good natural drainage to prevent water accumulation, and stable geological conditions suitable for foundation construction.

The broader valley floors and gentle slopes extending toward the south and southwest also provide excellent opportunities for solar development. These locations typically have minimal tree coverage and offer extensive areas of relatively uniform terrain that can accommodate large arrays with consistent orientation and minimal shading issues.

Areas along the higher ridgelines, particularly those running in north-south directions, would be well-suited for solar installations due to their elevated position and reduced likelihood of fog or moisture retention. The eastern approaches toward the coastal plain, while flatter, may be less optimal due to higher humidity levels and occasional morning fog that can reduce solar irradiance efficiency.

The most practical locations for development would be the gently sloping areas between 150 and 300 meters elevation, where the terrain provides natural drainage while remaining accessible for construction and maintenance activities. These zones typically have sparse vegetation and stable soil conditions that support both the installation process and long-term operational requirements.

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.