Antonina do Norte, Brazil presents excellent conditions for year-round solar photovoltaic energy generation. Located in the tropics at coordinates -6.7362, -39.9788, this region benefits from consistent sunlight throughout the year, with seasonal variations driven more by wet and dry periods than by dramatic changes in solar availability.

Solar Energy Production Performance

The solar energy output data reveals strong performance across all seasons, with notable seasonal variation that favors certain times of year:

• Summer: 5.87 kWh per day per kW of installed capacity
• Autumn: 6.18 kWh per day per kW of installed capacity
• Winter: 6.41 kWh per day per kW of installed capacity
• Spring: 7.22 kWh per day per kW of installed capacity

Spring emerges as the optimal season for solar generation, producing nearly 25% more energy than summer. Winter and autumn also outperform summer months, making this location particularly attractive for consistent year-round solar production. For maximum efficiency, solar panels should be installed at a fixed tilt angle of 7 degrees facing North. This angle has been calculated to optimize total annual energy production by accounting for the sun's path throughout the year and weighting for actual solar irradiance conditions.

Environmental and Weather Challenges

Several factors could potentially impact solar production efficiency at this tropical location. The wet season brings increased cloud cover and frequent rainfall, which can reduce direct sunlight reaching the panels. High humidity levels throughout much of the year may also affect panel performance and create condensation issues. Dust accumulation presents another significant challenge, particularly during drier periods when fine particles can settle on panel surfaces and reduce light transmission. The tropical climate also supports rapid vegetation growth, which could create shading issues if not properly managed during installation planning.

Preventative Installation Measures

To maximize energy production despite these challenges, several installation strategies should be implemented. Proper panel spacing and mounting height help ensure adequate air circulation, reducing humidity-related issues and allowing panels to operate at optimal temperatures. Installing panels with easy access for cleaning is crucial for maintaining peak performance during dusty conditions. Regular maintenance schedules should account for more frequent cleaning during dry seasons when dust accumulation is highest. Careful site selection and vegetation management during installation can prevent future shading problems. This includes considering the mature height of nearby plants and ensuring sufficient clearance from existing trees and structures. Despite these potential challenges, Antonina do Norte's consistently high solar output across all seasons, combined with proper installation techniques, makes it an excellent location for solar PV energy generation throughout the year.

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 Antonina Do Norte

Seasonal solar PV output for Latitude: -6.7362, Longitude: -39.9788 (Antonina Do Norte, 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 7° North in Antonina Do Norte, Brazil

To maximize your solar PV system's energy output in Antonina Do Norte, Brazil (Lat/Long -6.7362, -39.9788) throughout the year, you should tilt your panels at an angle of 7° 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 Antonina Do Norte, 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 Antonina Do Norte, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 7° North tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
9° South in Summer	13° North in Autumn	22° 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 Antonina Do Norte, 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 Antonina Do Norte, 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 Antonina Do Norte, Brazil

Topographical Features of Antonina do Norte

Antonina do Norte sits within the Caatinga region of northeastern Brazil, characterized by a semi-arid landscape that features gently rolling hills and relatively flat terrain. The area lies at a moderate elevation, with the surrounding topography consisting of broad, undulating plains interspersed with low-lying hills and occasional rocky outcrops. The terrain is generally well-drained, with seasonal watercourses that flow during the rainy periods but remain dry for much of the year.

The landscape around Antonina do Norte reflects the typical characteristics of the Brazilian interior, where ancient geological formations have been weathered over millions of years to create a relatively stable and predictable topographical pattern. The region features expansive areas of open land with sparse vegetation, primarily consisting of drought-resistant shrubs and small trees adapted to the semi-arid climate.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for large-scale solar photovoltaic installations around Antonina do Norte would be the extensive flat to gently sloping areas that dominate the local landscape. These areas offer several advantages for solar development, including minimal grading requirements, reduced construction costs, and optimal panel orientation possibilities. The broad plains extending to the north and east of the town present particularly favorable conditions, as they combine relatively level terrain with good accessibility from existing road networks.

The slightly elevated plateaus scattered throughout the region also represent excellent opportunities for solar development. These areas typically feature stable ground conditions and natural drainage, reducing the risk of water accumulation during the rainy season. The elevated positions also provide good exposure to prevailing winds, which can help maintain optimal operating temperatures for solar panels.

Areas with gentle south-facing slopes would be particularly valuable for solar installations, as they can be oriented to maximize solar exposure throughout the day. The region's open landscape means that shading issues from trees or other vegetation are minimal, allowing for flexible site design and panel spacing. The sparse population density in the surrounding areas also means that large tracts of suitable land are potentially available for development without significant conflicts with existing land uses.

The stable geological conditions typical of this part of Brazil provide a solid foundation for solar infrastructure, while the generally dry climate reduces concerns about soil erosion or ground instability that might affect long-term installations. The existing network of rural roads provides reasonable access to many potential sites, though some remote areas might require additional infrastructure development to support large-scale solar 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!

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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.