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Flag of BrazilSolar PV Analysis of Igreja Nova, Brazil

Graph of hourly avg kWh electricity output per kW of Solar PV installed in Igreja Nova, Brazil (by season)

Igreja Nova, Alagoas, Brazil represents a highly favorable location for year-round solar photovoltaic energy generation. This tropical location in northeastern Brazil benefits from the consistent sunlight characteristic of equatorial regions, where seasonal variations are defined more by precipitation patterns than dramatic changes in solar availability.

Seasonal Solar Performance

The solar energy output at Igreja Nova demonstrates strong performance across all seasons, with some notable variations. Spring emerges as the peak production period, delivering 7.23 kWh per day per kW of installed capacity. Summer follows closely with 7.06 kWh per day, making these two seasons the optimal periods for solar generation. Autumn shows a moderate decrease to 6.07 kWh per day, while winter represents the lowest production period at 5.37 kWh per day. Despite this seasonal variation, even the winter output remains quite substantial, indicating reliable year-round solar potential.

Optimal Panel Configuration

For maximum energy production at Igreja Nova, Alagoas, solar panels should be installed at a fixed tilt angle of 9 degrees facing north. This relatively shallow angle reflects the location's proximity to the equator, where the sun maintains a high position in the sky throughout the year.

Environmental and Weather Challenges

Several local factors could potentially impact solar production at this location and require consideration during installation:
  • Seasonal rainfall and humidity: The tropical wet season can bring heavy rains and high humidity levels that may reduce solar irradiance and create challenging installation conditions
  • Salt air exposure: Igreja Nova's proximity to the Atlantic coast means solar installations face potential corrosion from salt-laden air
  • Dust and particulate accumulation: The semi-arid climate of the region can lead to dust buildup on panel surfaces, reducing efficiency
  • High temperatures: Intense tropical heat can reduce panel efficiency and stress electrical components

Preventative Installation Measures

To maximize energy production despite these challenges, several installation strategies prove beneficial:
  • Enhanced drainage systems: Install panels with adequate spacing and drainage to prevent water accumulation during heavy rains
  • Corrosion-resistant materials: Use marine-grade aluminum frames and stainless steel mounting hardware to withstand salt air exposure
  • Easy cleaning access: Design installations with accessibility for regular panel cleaning to remove dust and debris
  • Improved ventilation: Allow sufficient airflow beneath panels to reduce operating temperatures and maintain efficiency
  • Quality inverters and electrical components: Select equipment rated for high-temperature operation and humid conditions
Despite these environmental considerations, Igreja Nova's tropical location offers excellent conditions for solar energy generation, with consistent high output throughout the year making it an ideal candidate for solar photovoltaic 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 Igreja Nova

Seasonal solar PV output for Latitude: -10.1666, Longitude: -36.6172 (Igreja Nova, 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:

Summer
Average 7.06kWh/day in Summer.
Autumn
Average 6.07kWh/day in Autumn.
Winter
Average 5.37kWh/day in Winter.
Spring
Average 7.23kWh/day in Spring.

 

Ideally tilt fixed solar panels 9° North in Igreja Nova, Brazil

To maximize your solar PV system's energy output in Igreja Nova, Brazil (Lat/Long -10.1666, -36.6172) 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.

The sun
At Latitude: -10.1666, Longitude: -36.6172, the ideal angle to tilt panels is 9° North

Seasonally adjusted solar panel tilt angles for Igreja Nova, 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 Igreja Nova, 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

Assuming you can modify the tilt angle of your solar PV panels throughout the year, you can optimize your solar generation in Igreja Nova, Brazil as follows: In Summer, set the angle of your panels to 5° facing South. In Autumn, tilt panels to 16° facing North for maximum generation. During Winter, adjust your solar panels to a 26° angle towards the North for optimal energy production. Lastly, in Spring, position your panels at a 4° angle facing North to capture the most solar energy in Igreja Nova, Brazil.

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 Igreja Nova, 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 Igreja Nova, 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.






Please enter information above to calculate panel spacing.

Topography for solar PV around Igreja Nova, Brazil

Topographical Features Around Igreja Nova

Igreja Nova sits in the state of Alagoas along Brazil's northeastern coast, positioned within the São Francisco River valley region. The terrain surrounding this municipality is characterized by relatively gentle topography, with the landscape dominated by low-lying plains and subtle undulating hills that rarely exceed modest elevations. The area forms part of the broader coastal lowlands that extend inland from the Atlantic Ocean, creating a transition zone between the immediate coastal plain and the slightly more elevated interior plateaus. The São Francisco River, one of Brazil's most significant waterways, flows through this region and has played a crucial role in shaping the local topography over millennia. The river's influence has created fertile floodplains and terraces that define much of the surrounding landscape. These alluvial deposits have resulted in generally flat to gently rolling terrain that extends for considerable distances in multiple directions from Igreja Nova. The elevation changes in the immediate vicinity are gradual rather than dramatic, with the landscape characterized by broad, sweeping contours rather than steep slopes or sharp ridges. This gentle topography is typical of much of the São Francisco River basin in this portion of Alagoas, where the terrain has been smoothed by centuries of river action and sediment deposition.

Soil and Surface Conditions

The substrate beneath Igreja Nova and its surroundings consists primarily of sedimentary formations that have been shaped by both fluvial processes and coastal influences. The soils in many areas are derived from alluvial deposits left by the São Francisco River system, creating relatively stable ground conditions across much of the region. These sedimentary soils tend to provide good foundation characteristics for construction projects, as they are generally well-consolidated and less prone to significant settling or instability issues. The surface conditions vary from areas of natural vegetation to agricultural lands and developed zones. Much of the surrounding countryside has been modified for farming activities, particularly cattle ranching and crop cultivation, which has resulted in cleared, relatively flat expanses that could potentially accommodate large infrastructure projects. The agricultural use of the land has also meant that access routes and basic infrastructure already exist in many areas.

Climate and Environmental Considerations

The region experiences a semi-arid climate typical of much of northeastern Brazil, with distinct wet and dry seasons that influence both the landscape and its suitability for various uses. During the dry season, the terrain becomes quite stable and accessible, while the wet season can create temporary challenges for ground-based activities in some lower-lying areas near water courses. The relatively stable weather patterns and predominantly clear skies during much of the year create favorable conditions for solar energy applications. The landscape receives abundant direct solar radiation throughout most months, with minimal obstruction from topographical features due to the generally flat terrain.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for extensive solar photovoltaic installations would be found on the elevated plains and gentle slopes that extend inland from Igreja Nova toward the west and southwest. These areas offer several advantages including stable, well-drained soils that can support heavy infrastructure, minimal shading from topographical features, and relatively easy access for construction and maintenance activities. The terraced areas adjacent to but safely above the São Francisco River floodplain present particularly attractive opportunities. These locations combine the benefits of stable, elevated ground with proximity to existing infrastructure and potential grid connection points. The gentle slopes in these areas, typically facing south or southeast, would be ideal for optimizing solar panel orientation while maintaining good drainage characteristics. Areas of former or current agricultural land on the broader plains surrounding Igreja Nova also represent excellent candidates for solar development. These locations typically feature cleared, relatively level terrain with established access routes and minimal environmental constraints. The agricultural history of these areas demonstrates their stability and suitability for large-scale development projects. The elevated areas to the north and northeast of Igreja Nova, where the terrain begins to rise slightly toward the interior plateau regions, offer additional opportunities. These locations benefit from excellent exposure to solar radiation throughout the day while remaining accessible for construction and maintenance activities. The slightly higher elevation also provides natural drainage advantages and reduces any potential concerns about seasonal flooding or waterlogging.

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!

Citation Guide

Article Details for Citation

Article: Solar PV Analysis of Igreja Nova, Brazil
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Sunday 6th of July 2025
Last Updated: Wednesday 6th of August 2025

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