Natividade, Tocantins, Brazil represents an excellent location for year-round solar energy generation, benefiting from its tropical position where consistent sunlight is available throughout most of the year and seasons are characterized more by wet and dry periods rather than traditional temperature variations.

Solar Energy Production Performance

The solar energy output data for Natividade shows remarkably consistent performance across all seasons, with winter actually producing the highest energy yields. During winter months, solar panels generate 6.43 kWh per day for each kilowatt of installed capacity, making this the most productive season for solar energy generation. Spring follows closely with 6.17 kWh/day per kW, while autumn produces 5.97 kWh/day per kW. Summer shows the lowest output at 5.38 kWh/day per kW, though this figure still represents strong solar production potential. The relatively minor variation between seasons - with only about a 1 kWh difference between the highest and lowest producing seasons - demonstrates the location's reliability for consistent solar energy generation throughout the year.

Optimal Panel Installation

For maximum year-round energy production in Natividade, Tocantins, solar panels should be installed at a fixed tilt angle of 13 degrees facing north. This angle has been calculated to optimize total annual solar output by accounting for the sun's varying position throughout the year and Earth's elliptical orbit around the sun.

Environmental and Weather Challenges

Several local factors could potentially impact solar energy production in Natividade and require consideration during installation planning. The tropical climate brings distinct wet and dry seasons, with the wet season potentially creating challenges for solar panel performance. Heavy rainfall and increased cloud cover during wet periods can temporarily reduce solar energy output, though the seasonal data suggests this impact is manageable given the consistent production figures. High humidity levels typical of tropical regions can lead to moisture-related issues with electrical components and connections. Additionally, the warm, humid environment may accelerate the accumulation of dust, pollen, and organic matter on panel surfaces, which can reduce efficiency over time.

Preventative Measures for Optimal Performance

Several installation strategies can help maximize solar energy production despite these environmental challenges:

• Install panels with adequate spacing and ventilation to prevent moisture buildup and allow proper air circulation around electrical components
• Use high-quality, weather-resistant mounting systems and electrical enclosures designed for tropical climates
• Implement regular cleaning schedules to remove accumulated dust, debris, and organic matter from panel surfaces
• Consider installing panels at a slight angle steeper than the optimal 13 degrees if heavy seasonal rainfall occurs, as this can help with natural cleaning through rain runoff
• Use corrosion-resistant materials for all mounting hardware and electrical connections to withstand high humidity

Despite these considerations, Natividade's consistent solar production throughout the year, with particularly strong performance during winter months, makes it a highly suitable location for solar energy generation. The relatively small seasonal variation in output provides excellent reliability 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 Natividade

Seasonal solar PV output for Latitude: -11.7589, Longitude: -47.6449 (Natividade, 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 13° North in Natividade, Brazil

To maximize your solar PV system's energy output in Natividade, Brazil (Lat/Long -11.7589, -47.6449) throughout the year, you should tilt your panels at an angle of 13° 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 Natividade, 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 Natividade, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 13° 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	18° North in Autumn	27° North in Winter	6° 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 Natividade, 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 Natividade, 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 Natividade, Brazil

Topography Around Natividade, Brazil

Natividade sits in the eastern portion of Tocantins state, positioned within the Brazilian Highlands region where the landscape exhibits a distinctive mix of elevated plateaus and gently rolling terrain. The area forms part of the greater Central Brazilian Plateau system, characterized by relatively stable geological formations that have been shaped over millions of years by erosion and weathering processes.

The immediate vicinity around Natividade features undulating topography with elevations typically ranging from 400 to 800 meters above sea level. The terrain consists primarily of broad, rounded hills interspersed with shallow valleys and occasional flat-topped mesas. These elevated areas are remnants of ancient sedimentary rock formations that have resisted erosion better than the surrounding softer materials.

Drainage patterns in the region flow generally northward toward the Tocantins River system, creating a series of gentle slopes and broad interfluves between watercourses. The landscape lacks dramatic elevation changes or steep mountainous terrain, instead presenting a more subdued relief pattern typical of the Brazilian Shield's eastern margins.

The natural vegetation consists predominantly of cerrado savanna, which has been extensively modified for agricultural use. This ecosystem naturally occurs on well-drained soils across the gently sloping terrain, indicating good drainage characteristics and relatively stable ground conditions throughout much of the area.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for large-scale solar photovoltaic installations around Natividade would be the broad, gently sloping plateau areas and mesa tops that dominate the local landscape. These elevated flat or nearly flat surfaces provide ideal conditions for solar panel installation, offering stable foundations with minimal grading requirements and excellent drainage characteristics.

The interfluves between major drainage channels present particularly attractive opportunities, as these areas typically feature gentle south-facing slopes that would optimize solar exposure throughout the day. The stable geological conditions of these plateau remnants reduce foundation concerns and construction complexities that might arise in areas with less consolidated soils.

Areas to the west and southwest of Natividade appear especially promising, where the terrain opens into broader, more continuous flat areas with fewer drainage interruptions. These locations would allow for larger, more economically efficient solar installations while maintaining good access to existing transportation infrastructure.

The region's moderate elevation provides advantages for solar installations, including slightly cooler operating temperatures compared to lower-lying areas, while the well-drained soils and stable terrain minimize concerns about flooding or ground instability. The conversion of existing agricultural land, particularly cattle pasture on the flatter areas, would present fewer environmental obstacles than development in more sensitive ecological zones.

Transportation access via existing rural roads connecting to the main highway network would facilitate construction and maintenance activities. The relatively open landscape with scattered tree cover rather than dense forest would also reduce land clearing requirements and associated costs for large-scale solar development 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.