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Flag of BrazilSolar PV Analysis of Iturama, Brazil

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

Iturama, Minas Gerais, Brazil presents a very favorable location for year-round solar photovoltaic energy generation. Located in the tropical region, 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 at Iturama demonstrates strong performance across all seasons. Summer delivers the highest production at 6.99kWh per day for each kilowatt of installed solar capacity. Spring follows closely with 6.39kWh/day, while autumn generates 5.84kWh/day. Even during the lowest-producing season of winter, the location still yields a respectable 5.31kWh/day per kilowatt installed. This seasonal pattern shows that Iturama experiences only moderate variation in solar production throughout the year, with summer and spring being the optimal periods for solar energy generation. The difference between the best and worst performing seasons is approximately 32%, which is relatively modest compared to locations at higher latitudes. For maximum year-round energy production, solar panels should be installed at a fixed tilt angle of 18 degrees facing north. This optimal angle is calculated by analyzing daily solar elevation angles, determining optimal panel positioning, and weighting these factors using solar irradiance data while accounting for Earth's elliptical orbit pattern.

Environmental and Weather Considerations

Several local factors could potentially impact solar energy production in Iturama and require careful consideration during installation planning. The tropical wet season presents the most significant challenge for solar installations in this region. Heavy rainfall and increased cloud cover during wet periods can reduce solar irradiance and temporarily decrease energy output. Additionally, the high humidity levels typical of tropical climates can affect equipment performance and longevity if not properly managed. Dust accumulation represents another concern, particularly during drier periods when airborne particles can settle on panel surfaces and reduce their efficiency. The agricultural nature of the surrounding region may contribute additional dust and organic debris that can obstruct sunlight from reaching the photovoltaic cells.

Preventative Measures for Optimal Performance

Several installation strategies can help maximize solar energy production despite these environmental challenges:
  • Install panels with adequate drainage systems and slight tilting to promote water runoff during heavy rains
  • Use high-quality mounting systems with proper ventilation to prevent moisture buildup and ensure air circulation around panels
  • Implement regular cleaning schedules, particularly during dry seasons when dust accumulation is highest
  • Select solar panels and inverters specifically rated for high humidity and temperature variations typical of tropical climates
  • Install surge protection systems to guard against electrical damage from tropical storms
Proper system design should also include adequate spacing between panel rows to minimize shading effects and allow for maintenance access. Using corrosion-resistant materials for mounting hardware is essential given the humid tropical environment. Overall, Iturama offers excellent conditions for solar energy generation throughout the year, and with appropriate installation techniques and maintenance practices, solar installations can achieve reliable, high-performance energy production despite the tropical climate challenges.

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 Iturama

Seasonal solar PV output for Latitude: -19.6949, Longitude: -50.3788 (Iturama, 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 6.99kWh/day in Summer.
Autumn
Average 5.84kWh/day in Autumn.
Winter
Average 5.31kWh/day in Winter.
Spring
Average 6.39kWh/day in Spring.

 

Ideally tilt fixed solar panels 18° North in Iturama, Brazil

To maximize your solar PV system's energy output in Iturama, Brazil (Lat/Long -19.6949, -50.3788) throughout the year, you should tilt your panels at an angle of 18° 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: -19.6949, Longitude: -50.3788, the ideal angle to tilt panels is 18° North

Seasonally adjusted solar panel tilt angles for Iturama, 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 Iturama, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 18° North tilt angle throughout the year.

Overall Best Summer Angle Overall Best Autumn Angle Overall Best Winter Angle Overall Best Spring Angle
4° North in Summer 26° North in Autumn 35° North in Winter 13° 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 Iturama, Brazil as follows: In Summer, set the angle of your panels to 4° facing North. In Autumn, tilt panels to 26° facing North for maximum generation. During Winter, adjust your solar panels to a 35° angle towards the North for optimal energy production. Lastly, in Spring, position your panels at a 13° angle facing North to capture the most solar energy in Iturama, 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 Iturama, 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 Iturama, 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 Iturama, Brazil

Topographical Features Around Iturama

The landscape surrounding Iturama in western Minas Gerais presents a predominantly flat to gently rolling terrain characteristic of the Brazilian Cerrado region. This area sits within the Triângulo Mineiro, a triangular plateau formation that extends across much of western Minas Gerais. The elevation around Iturama typically ranges between 400 and 600 meters above sea level, creating a relatively stable topographical foundation with minimal dramatic elevation changes.

The region features expansive plateaus interspersed with shallow valleys carved by seasonal waterways and tributaries feeding into the ParanaĆ­ba River system. These gentle undulations create natural drainage patterns without presenting significant obstacles to large-scale development. The terrain consists primarily of weathered sedimentary formations overlaid with deep, well-drained soils typical of the Cerrado biome.

Agricultural activities dominate the current land use, with vast stretches of cultivated fields extending across the horizon. The natural vegetation, where it remains, consists of tropical savanna grasslands dotted with scattered trees and gallery forests along watercourses. This open landscape provides excellent visibility across considerable distances, with few natural barriers or dense forest coverage that might complicate site planning or access.

Optimal Areas for Solar Development

The most suitable locations for large-scale solar photovoltaic installations around Iturama would be the extensive flat plateau areas located to the north and northeast of the municipality. These zones offer several kilometers of continuous, relatively level terrain with minimal slope variations that would require expensive grading or terracing work. The consistent elevation and gentle topography in these areas would allow for efficient panel placement and maintenance access.

Areas situated on the higher plateau sections, particularly those elevated between 500 and 600 meters, present ideal conditions due to their excellent drainage characteristics and reduced risk of seasonal flooding. These elevated zones benefit from natural air circulation patterns that help maintain optimal operating temperatures for photovoltaic equipment while avoiding the moisture accumulation common in lower-lying areas.

The southeastern quadrant around Iturama also shows promise, featuring broad, open agricultural lands with minimal tree coverage and excellent road access via existing farm infrastructure. The terrain in this direction maintains consistent gradients suitable for large solar arrays while remaining close enough to existing electrical transmission infrastructure to minimize connection costs.

Locations along the watershed divides offer particular advantages, as these ridgeline areas typically feature the most stable soils and the least risk of erosion or water accumulation issues. The natural drainage patterns flow away from these elevated zones, ensuring that solar installations would remain dry during the region's distinct wet and dry seasonal cycles.

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 Iturama, Brazil
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Friday 4th 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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