Alta Floresta, Brazil presents excellent conditions for year-round solar energy generation, making it a highly suitable location for solar PV installations. Located in the tropical region of Mato Grosso state, this area benefits from consistent sunlight throughout the year with seasonal variations driven more by wet and dry periods than traditional temperature-based seasons.

Solar Energy Production Potential

The solar energy output data for Alta Floresta demonstrates strong and consistent performance across all seasons. Winter emerges as the most productive season, generating 6.23 kWh per day per kW of installed solar capacity. Spring follows closely with 5.96 kWh/day, while autumn produces 5.52 kWh/day and summer generates 5.10 kWh/day per kW installed. This seasonal pattern is typical for tropical locations, where the dry season (typically winter and spring months) offers clearer skies and more direct sunlight, while the wet season can bring increased cloud cover that slightly reduces solar output. Even during the lowest production period in summer, the location still delivers over 5 kWh per day per kW, indicating reliable solar generation year-round. For optimal energy capture, solar panels should be installed at a fixed tilt angle of 11 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 weighting for the varying solar irradiance levels across different seasons.

Environmental and Weather Challenges

Several factors specific to Alta Floresta's tropical location could potentially impact solar energy production:

• Heavy rainfall during wet season: The region experiences significant precipitation during certain months, which can reduce solar irradiance and create challenges for panel maintenance
• High humidity levels: Tropical humidity can lead to moisture-related issues with electrical components and may affect panel efficiency over time
• Dust and vegetation growth: The combination of dry periods followed by wet seasons can create dust accumulation, while rapid vegetation growth may cause shading issues
• Potential for severe weather: Tropical storms and high winds during the rainy season could pose risks to solar installations

Preventative Measures for Optimal Performance

To ensure maximum solar energy production despite these challenges, several preventative measures should be implemented during installation and ongoing maintenance: Regular cleaning schedules become crucial, particularly before and after the wet season, to remove dust, debris, and any organic matter that may accumulate on panel surfaces. Installing panels with adequate spacing and proper drainage helps prevent water pooling and allows for natural cleaning during rainfall. Choosing high-quality mounting systems designed to withstand tropical weather conditions, including strong winds and heavy rain, ensures long-term system stability. Electrical components should be rated for high humidity environments and properly sealed to prevent moisture ingress. Vegetation management around the solar installation site helps prevent shading issues as plants grow rapidly in tropical climates. This includes both initial site clearing and ongoing maintenance to keep trees and bushes from casting shadows on the panels. Installing monitoring systems allows for early detection of performance issues that might arise from weather-related factors, enabling prompt maintenance responses to maintain optimal energy production 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 Alta Floresta

Seasonal solar PV output for Latitude: -10.0193, Longitude: -56.3052 (Alta Floresta, 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 11° North in Alta Floresta, Brazil

To maximize your solar PV system's energy output in Alta Floresta, Brazil (Lat/Long -10.0193, -56.3052) 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.

Seasonally adjusted solar panel tilt angles for Alta Floresta, 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 Alta Floresta, 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	17° North in Autumn	26° North in Winter	4° 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 Alta Floresta, 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 Alta Floresta, 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 Alta Floresta, Brazil

Topographical Features of Alta Floresta

Alta Floresta sits within the expansive Amazon Basin in the northern region of Mato Grosso state, Brazil. The city is positioned on relatively flat terrain that characterizes much of this part of the Amazon rainforest region. The landscape consists primarily of gentle undulations and low-lying plains, with elevations typically ranging between 200 and 400 meters above sea level. This area represents part of the Brazilian Shield's northern extension, where ancient geological formations have been weathered over millions of years to create the current subdued topography.

The region features numerous waterways including the Teles Pires River system, which creates natural drainage patterns throughout the landscape. These river valleys and associated floodplains contribute to the area's generally flat character, though they also create some localized variations in elevation. The terrain is interspersed with small hills and ridges that rise modestly above the surrounding plains, but significant mountainous features are absent from this part of the Amazon Basin.

Dense tropical rainforest originally covered virtually all of this region, though extensive areas have been cleared for agriculture and cattle ranching over recent decades. The remaining forested areas maintain the natural canopy structure typical of Amazon rainforest, while cleared zones now feature open grasslands, crop fields, and scattered patches of secondary forest growth.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for large-scale solar photovoltaic installations around Alta Floresta would be the extensive cleared agricultural areas that surround the city. These zones offer several advantages for solar development, including flat to gently rolling terrain that requires minimal grading and site preparation. The cleared pasturelands and crop fields provide large contiguous areas of open space without the need for additional forest clearing, which would be both environmentally problematic and economically costly.

Areas to the south and southeast of Alta Floresta contain particularly promising sites where cattle ranching has created expansive open grasslands. These locations benefit from the naturally flat topography while offering good accessibility via existing rural road networks that connect to the regional transportation infrastructure. The gentle slopes in these areas provide adequate drainage without creating significant challenges for solar panel installation and maintenance.

The cleared zones along major transportation corridors would be especially attractive for solar development due to their proximity to existing electrical transmission infrastructure and road access. These areas combine the topographical advantages of flat terrain with the practical benefits of established utility connections and maintenance access routes.

Conversely, the remaining forested areas would be unsuitable for solar development due to environmental protection concerns and the practical challenges of working under dense canopy cover. Similarly, the immediate floodplains of major rivers should be avoided due to seasonal flooding risks and potential environmental sensitivities, despite their flat topography.

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.