Montividiu, Goiás, Brazil presents a highly favorable location for year-round solar photovoltaic energy generation. Located in the tropical region of central Brazil, this area benefits from the consistent sunlight patterns typical of tropical climates, where seasonal variations are primarily defined by wet and dry periods rather than significant changes in solar availability.

Solar Energy Production Potential

The solar energy output data for Montividiu demonstrates excellent year-round performance. During summer months, solar panels generate their peak output of 6.45 kWh per day for each kilowatt of installed capacity. Spring follows as the second-best season with 5.98 kWh/day per kW, while autumn and winter maintain strong production levels at 5.76 kWh/day and 5.67 kWh/day respectively. This relatively small seasonal variation of less than 15% between the highest and lowest production periods indicates exceptional consistency for solar energy generation. The summer months clearly represent the ideal time for maximum solar production, though the location maintains robust energy output throughout all seasons. For optimal year-round energy harvest, solar panels installed at Montividiu should be positioned at a fixed tilt angle of 17 degrees facing north. This angle has been calculated to maximize total annual solar production by accounting for the sun's path throughout the year and the location's specific latitude.

Environmental and Weather Challenges

Several environmental factors in Montividiu could potentially impact solar energy production:

• Tropical rainfall and wet season: Heavy seasonal rains can reduce solar irradiance and create cloud cover that temporarily decreases energy output
• High humidity levels: Tropical humidity may contribute to faster degradation of solar equipment and reduced efficiency
• Dust and agricultural particles: Being located in an agricultural region, airborne dust and pollen can accumulate on solar panels
• Intense UV exposure: Strong tropical sunlight, while beneficial for energy production, can accelerate wear on solar panel materials

Preventative Measures for Optimal Performance

To mitigate these challenges and ensure maximum energy production, several installation strategies should be implemented: Regular cleaning systems or schedules become essential to remove dust, pollen, and residue left by heavy rains. Installing panels with adequate spacing and ventilation helps combat the effects of high humidity and heat buildup. Choosing solar panels and mounting systems specifically rated for tropical climates ensures better longevity under intense UV exposure and temperature fluctuations. Proper drainage design around solar installations prevents water accumulation during heavy rains, while selecting corrosion-resistant materials for all mounting hardware helps withstand the humid tropical environment. Additionally, implementing monitoring systems allows for quick identification of performance issues related to weather events or environmental factors. Despite these considerations, Montividiu's consistent high solar output throughout the year makes it an excellent location for solar energy investment, with the environmental challenges being manageable through proper installation practices and maintenance protocols.

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 Montividiu

Seasonal solar PV output for Latitude: -17.2581, Longitude: -51.1574 (Montividiu, 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 17° North in Montividiu, Brazil

To maximize your solar PV system's energy output in Montividiu, Brazil (Lat/Long -17.2581, -51.1574) throughout the year, you should tilt your panels at an angle of 17° 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 Montividiu, 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 Montividiu, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 17° North tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
1° North in Summer	24° North in Autumn	33° North in Winter	11° 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 Montividiu, 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 Montividiu, 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 Montividiu, Brazil

Topography of the Montividiu Region

Montividiu sits in the heart of Goiás state, positioned within Brazil's expansive Central Plateau region known as the Planalto Central. This area forms part of the Brazilian Highlands, characterized by gently rolling terrain that rises to moderate elevations above sea level. The landscape around Montividiu features predominantly flat to undulating topography, with broad plateaus interrupted by shallow valleys and gentle ridges that create an overall impression of vast, open countryside.

The region's terrain is shaped by ancient geological formations, primarily consisting of crystalline rocks and sedimentary deposits that have been weathered over millions of years. This geological foundation has created relatively stable ground conditions with gradual elevation changes rather than dramatic hills or steep slopes. The area experiences typical Cerrado landscape characteristics, with expansive grasslands dotted by scattered trees and gallery forests along watercourses.

Drainage patterns in the vicinity flow generally northward toward the Tocantins River basin, creating a network of seasonal streams and small rivers that carve shallow channels through the landscape. These waterways typically flow through gentle depressions rather than deep gorges, maintaining the region's overall character of moderate topographical variation.

Optimal Areas for Large-Scale Solar Development

The extensive flat and gently sloping terrain surrounding Montividiu presents excellent opportunities for large-scale solar photovoltaic installations. The most suitable areas lie on the broader plateau surfaces where minimal grading would be required for panel installation and maintenance access. These elevated flat areas offer consistent exposure to solar radiation throughout the day while avoiding the shade effects that might occur in valley bottoms.

Areas with south-facing gentle slopes of less than five degrees provide particularly favorable conditions, as they can optimize solar collection angles while maintaining manageable construction and maintenance requirements. The stable geological conditions throughout much of the region mean that foundation requirements for solar mounting systems would be relatively straightforward and cost-effective.

The proximity to existing agricultural areas presents both opportunities and considerations for solar development. Large cleared areas currently used for cattle ranching or crop production could potentially be converted to solar farms with minimal environmental disruption. Additionally, the region's existing infrastructure, including roads connecting to the broader agricultural economy, provides a foundation for the transportation and logistics needs of major solar installations.

Areas to avoid for solar development include the immediate vicinity of watercourses and their associated riparian zones, which may be subject to flooding during heavy rains and are often protected by environmental regulations. Similarly, any remaining patches of native Cerrado vegetation should be preserved, making previously disturbed or actively managed agricultural lands the most appropriate targets for solar development.

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.