Aroeiras, Paraíba, Brazil presents an excellent location for year-round solar photovoltaic energy generation. Located in the tropical region at coordinates -7.5235, -35.7014, this area benefits from consistent sunlight throughout most of the year, with seasonal variations primarily driven by wet and dry periods rather than dramatic changes in daylight hours.

Solar Energy Production Potential

The solar energy output data for Aroeiras demonstrates strong and reliable generation capacity across all seasons. Spring emerges as the peak production period, delivering 6.76 kWh per day for each kilowatt of installed solar capacity. Summer follows closely with 6.23 kWh/day per kW, making these two seasons the most productive times of year for solar energy generation. Autumn and winter show somewhat reduced but still substantial output, producing 5.54 kWh/day and 5.09 kWh/day per kW respectively. Even during the lowest production season (winter), the location maintains over 75% of its peak seasonal output, indicating excellent year-round reliability for solar installations.

Optimal Panel Configuration

For maximum energy production at this location, solar panels should be installed at a fixed tilt angle of 6 degrees facing North. This relatively shallow angle reflects the location's proximity to the equator and has been calculated to optimize total annual solar collection by accounting for the sun's path throughout the year and variations in solar irradiance.

Environmental and Weather Considerations

Several local factors could potentially impact solar energy production in Aroeiras and require consideration during installation planning:

• Seasonal rainfall patterns: The tropical wet season can bring heavy rains and increased cloud cover, which may reduce solar irradiance during certain months
• High humidity levels: Tropical climates typically maintain elevated humidity, which can affect panel efficiency and create maintenance challenges
• Dust and debris accumulation: Dry seasons may lead to dust buildup on panel surfaces, reducing light transmission and energy output
• Intense UV exposure: Strong tropical sunlight can accelerate degradation of solar panel materials over time

Preventative Measures for Optimal Performance

To maximize solar energy production and system longevity in Aroeiras, Paraíba, several installation and maintenance strategies should be implemented:

• Regular cleaning schedules: Establish routine panel washing to remove dust, pollen, and debris, particularly important during dry seasons
• Quality mounting systems: Use corrosion-resistant materials designed for high-humidity environments to ensure long-term structural integrity
• Adequate ventilation: Install panels with proper air circulation underneath to prevent overheating and maintain optimal operating temperatures
• UV-resistant components: Select solar panels and electrical components specifically rated for high UV exposure typical of tropical locations
• Drainage considerations: Design installations with proper water runoff to prevent standing water during heavy rainfall periods

Despite these considerations, Aroeiras represents a highly favorable location for solar energy generation, with strong and consistent output throughout the year making it an ideal candidate 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 Aroeiras

Seasonal solar PV output for Latitude: -7.5235, Longitude: -35.7014 (Aroeiras, 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 6° North in Aroeiras, Brazil

To maximize your solar PV system's energy output in Aroeiras, Brazil (Lat/Long -7.5235, -35.7014) throughout the year, you should tilt your panels at an angle of 6° 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 Aroeiras, 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 Aroeiras, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 6° North tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
8° South in Summer	13° North in Autumn	23° North in Winter	1° 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 Aroeiras, 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 Aroeiras, 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 Aroeiras, Brazil

Topographical Features Around Aroeiras

The landscape surrounding Aroeiras in Paraíba state presents a predominantly flat to gently rolling terrain characteristic of Brazil's northeastern interior. This region sits within the Borborema Plateau, where elevations remain relatively modest and consistent across the area. The topography consists mainly of low hills and broad valleys that create a undulating pattern across the countryside, with gradual slopes rather than dramatic elevation changes.

The geological foundation beneath Aroeiras comprises ancient crystalline rocks that have been weathered over millions of years, resulting in a stable bedrock structure. This weathering process has created soils that vary from sandy to clay-rich compositions, with areas of exposed rock formations occasionally breaking through the surface. The terrain shows evidence of seasonal water flow patterns, with dried creek beds and small valleys indicating where water moves during the rainy periods.

Vegetation in the region reflects the semi-arid climate conditions, with caatinga scrubland dominating much of the natural landscape. This native vegetation consists of drought-resistant trees, shrubs, and cacti that have adapted to the challenging environmental conditions. Agricultural areas have been cleared for farming and livestock grazing, creating open spaces interspersed with patches of natural vegetation.

Optimal Areas for Large-Scale Solar Development

The relatively flat terrain extending southwest and northeast of Aroeiras presents the most promising opportunities for large-scale solar photovoltaic installations. These areas offer expansive open spaces with minimal topographical obstacles that would complicate construction or create shading issues for solar panels. The gentle slopes in these directions provide natural drainage while maintaining optimal angles for solar panel placement.

Agricultural lands that have been previously cleared offer particularly attractive sites for solar development, as the ground preparation work has already been completed and the soil compaction from farming activities can provide stable foundations. These cleared areas typically span several hectares continuously, allowing for efficient layout of solar arrays without the need for extensive vegetation removal.

The elevated plateaus to the north and east of the town center also present viable options for solar installations. These higher elevation areas benefit from consistent exposure to sunlight throughout the day and experience fewer issues with ground-level moisture that can affect equipment performance. The stable geological conditions of the crystalline bedrock provide excellent support for mounting systems and infrastructure.

Areas with existing road access prove most practical for large-scale solar development, as they reduce the infrastructure investment required for construction and ongoing maintenance. The flatter terrain near established transportation routes also simplifies the logistics of bringing in heavy equipment and materials needed for solar farm construction. Additionally, proximity to existing electrical transmission infrastructure makes grid connection more feasible and cost-effective for utility-scale projects.

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

Tell Us About Your Work

We love seeing how our research helps others! If you've cited this article in your work, we'd be delighted to hear about it. Drop us a line via our Contact Us page or on X, to share where you've used our information - we may feature a link to your work on our site. This helps create a network of valuable resources for others in the solar energy community and helps us understand how our research is contributing to the field. Plus, we occasionally highlight exceptional works that reference our research on our social media channels.

Feeling generous?

Share this with your friends!

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.