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Flag of BrazilSolar PV Analysis of Miracema Do Tocantins, Brazil

Graph of hourly avg kWh electricity output per kW of Solar PV installed in Miracema Do Tocantins, Brazil (by season)

Miracema do Tocantins, Brazil presents an excellent location for year-round solar energy generation. Located in the tropical region of Brazil, this area benefits from consistent sunlight throughout most of the year, with seasonal variations characterized more by wet and dry periods rather than dramatic temperature changes.

Solar Energy Production Potential

The solar energy output data for this location shows strong and consistent performance across all seasons. Winter emerges as the most productive season, generating 6.43 kWh per day for each kilowatt of installed solar capacity. This is followed by spring at 5.83 kWh/day, autumn at 5.70 kWh/day, and summer at 5.22 kWh/day. The higher winter production is typical for locations in the Southern Hemisphere tropics, where the dry season coincides with clearer skies and optimal sun angles. The relatively modest variation between seasons (ranging from 5.22 to 6.43 kWh/day) demonstrates the location's reliability for consistent solar energy generation throughout the year.

Optimal Panel Installation

For fixed panel installations at Miracema do Tocantins, the ideal tilt angle is 11 degrees facing north. This angle maximizes total year-round solar production by accounting for the sun's path throughout the year, the Earth's elliptical orbit, and local solar irradiance patterns.

Environmental and Weather Factors

Several local factors could potentially impact solar energy production at this location:
  • Seasonal rainfall and humidity: The wet season typically brings increased cloud cover, higher humidity, and more frequent storms
  • Dust and particulate matter: Dry season conditions can lead to dust accumulation on solar panels
  • High temperatures: Tropical heat can reduce solar panel efficiency
  • Vegetation growth: Rapid plant growth in humid conditions may create shading issues

Preventative Measures for Optimal Performance

To maximize solar energy production despite these challenges, several installation strategies should be considered:
  • Regular cleaning systems: Install automated cleaning systems or schedule frequent manual cleaning to remove dust, pollen, and debris
  • Proper ventilation: Ensure adequate airflow around panels to reduce heat buildup and improve efficiency
  • Vegetation management: Maintain clear areas around installations and trim back any growing plants that could create shadows
  • Quality mounting systems: Use corrosion-resistant materials suitable for humid tropical conditions
  • Drainage considerations: Design installations with proper water drainage to prevent standing water during heavy rains
Overall, Miracema do Tocantins offers favorable conditions for solar energy generation, with the main considerations being routine maintenance to address tropical climate challenges rather than fundamental limitations to solar production.

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 Miracema Do Tocantins

Seasonal solar PV output for Latitude: -9.7686, Longitude: -48.5835 (Miracema Do Tocantins, 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 5.22kWh/day in Summer.
Autumn
Average 5.70kWh/day in Autumn.
Winter
Average 6.43kWh/day in Winter.
Spring
Average 5.83kWh/day in Spring.

 

Ideally tilt fixed solar panels 11° North in Miracema Do Tocantins, Brazil

To maximize your solar PV system's energy output in Miracema Do Tocantins, Brazil (Lat/Long -9.7686, -48.5835) throughout the year, you should tilt your panels at an angle of 11° 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: -9.7686, Longitude: -48.5835, the ideal angle to tilt panels is 11° North

Seasonally adjusted solar panel tilt angles for Miracema Do Tocantins, 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 Miracema Do Tocantins, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 11° North tilt angle throughout the year.

Overall Best Summer Angle Overall Best Autumn Angle Overall Best Winter Angle Overall Best Spring Angle
6° South in Summer 16° North in Autumn 25° 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 Miracema Do Tocantins, Brazil as follows: In Summer, set the angle of your panels to 6° facing South. In Autumn, tilt panels to 16° facing North for maximum generation. During Winter, adjust your solar panels to a 25° 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 Miracema Do Tocantins, 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 Miracema Do Tocantins, 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 Miracema Do Tocantins, 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 Miracema Do Tocantins, Brazil

Topographical Features of Miracema do Tocantins

Miracema do Tocantins sits in a region characterized by relatively flat to gently rolling terrain typical of the Brazilian Central Plateau. The landscape around this area consists primarily of cerrado savanna, with elevations generally ranging from 200 to 400 meters above sea level. The topography is dominated by broad, open plains interspersed with low hills and shallow valleys that create a moderately undulating surface across the region. The Tocantins River flows through the broader area, creating some localized variations in elevation near its banks and tributaries. However, the majority of the surrounding landscape maintains fairly consistent gradients without dramatic elevation changes or steep slopes. This gentle terrain is punctuated by occasional mesa-like formations and low ridges that rise modestly above the surrounding plains.

Vegetation and Land Use Patterns

The natural vegetation consists predominantly of cerrado grasslands and scattered woodland areas. Much of the original cerrado has been converted to agricultural use, particularly cattle ranching and crop production. This land use pattern has created large expanses of relatively open terrain with minimal tree cover in many areas. The agricultural conversion has resulted in cleared fields and pastures that extend across considerable distances with few significant obstructions.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for large-scale solar photovoltaic installations would be the extensive flat to gently sloping agricultural areas that surround Miracema do Tocantins. These cleared lands offer several advantages including minimal shading from vegetation, relatively easy access for construction and maintenance, and existing infrastructure connections to nearby communities and transportation networks. The broad plains to the north and east of the city present particularly favorable conditions due to their consistent gentle slopes and minimal topographical obstacles. These areas typically feature gradients of less than five percent, which is ideal for solar panel installation and reduces the need for extensive site preparation or grading work. Areas that were previously used for cattle grazing or crop production would be especially well-suited, as the land has already been cleared and leveled to some degree. The existing agricultural infrastructure, including access roads and proximity to electrical transmission lines, would facilitate the development of solar facilities.

Areas to Avoid for Solar Development

Less suitable locations would include the steeper slopes found along river valleys and drainage areas, where the terrain becomes more irregular and potentially subject to flooding during seasonal rains. The remaining patches of native cerrado woodland should also be avoided to preserve the natural ecosystem and because tree removal would add unnecessary costs and environmental impacts to any solar development project. Rocky outcrops and areas with significant elevation changes would require more extensive site preparation and could present challenges for the installation of tracking systems or large solar arrays. Additionally, areas too close to the Tocantins River and its tributaries might face seasonal flooding risks that could impact solar infrastructure.

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 Miracema Do Tocantins, Brazil
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Tuesday 1st of July 2025
Last Updated: Wednesday 6th of August 2025

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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.

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