Alto Horizonte, Goiás, 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, with seasons typically characterized by wet and dry periods rather than significant temperature variations.

Solar Energy Production Performance

The solar energy output at this location shows remarkably consistent and strong performance across all seasons. Winter and spring emerge as the peak production periods, generating 6.16 kWh per day per kW of installed solar capacity in winter and 6.24 kWh per day per kW in spring. Summer produces 5.68 kWh per day per kW, while autumn generates 5.88 kWh per day per kW of installed capacity. This seasonal pattern is typical for locations in the southern hemisphere tropics, where the sun's angle during winter and spring months provides optimal conditions for solar energy capture. The relatively small variation between seasons - only about 10% difference between the lowest and highest production periods - demonstrates the location's reliability for consistent solar energy generation throughout the year. For maximum year-round energy production at Alto Horizonte, Goiás, solar panels should be installed at a fixed tilt angle of 15 degrees facing north. This optimal angle accounts for the location's latitude and maximizes total annual solar output by balancing the sun's varying positions throughout the year.

Environmental and Weather Factors

Several environmental factors could potentially impact solar energy production at Alto Horizonte and require consideration during installation planning. The tropical climate brings distinct wet and dry seasons, with the wet season potentially creating challenges through increased cloud cover and heavy rainfall. During periods of intense rainfall, water accumulation on solar panels can reduce efficiency, while prolonged cloudy conditions naturally decrease solar irradiance reaching the panels. High humidity levels common in tropical regions can accelerate corrosion of metal components and electrical connections if proper materials and sealing are not used. The combination of heat and moisture creates an environment where standard materials may degrade more quickly than in drier climates. Dust accumulation during dry periods can significantly reduce panel efficiency, particularly when combined with occasional rainfall that creates muddy residue on panel surfaces. This is especially relevant in areas with agricultural activity or unpaved roads nearby.

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 prevent water pooling and encourage self-cleaning during rainfall
• Use marine-grade or tropical-rated electrical components, wiring, and mounting hardware specifically designed to resist corrosion in high-humidity environments
• Implement proper ventilation behind panels to reduce heat buildup and moisture accumulation
• Establish regular cleaning schedules, particularly during dry seasons, to remove dust and debris buildup
• Apply protective coatings to mounting structures and ensure all electrical connections are properly sealed against moisture ingress

Despite these considerations, Alto Horizonte's consistently high solar energy output throughout the year makes it an highly suitable location for solar PV installations. The environmental challenges are manageable with proper planning and installation techniques, while the location's tropical position provides the fundamental advantage of reliable, year-round solar resource availability.

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 Alto Horizonte

Seasonal solar PV output for Latitude: -14.2024, Longitude: -49.435 (Alto Horizonte, 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 15° North in Alto Horizonte, Brazil

To maximize your solar PV system's energy output in Alto Horizonte, Brazil (Lat/Long -14.2024, -49.435) throughout the year, you should tilt your panels at an angle of 15° 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 Alto Horizonte, 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 Alto Horizonte, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 15° North tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
2° South in Summer	21° North in Autumn	30° North in Winter	9° 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 Alto Horizonte, 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 Alto Horizonte, 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 Alto Horizonte, Brazil

Topographical Features of Alto Horizonte Region

Alto Horizonte sits within the Central Brazilian Plateau, a vast elevated region that characterizes much of central Brazil. The landscape around this area consists primarily of gently rolling hills and broad plateaus with elevations typically ranging between 800 and 1,200 meters above sea level. This elevated terrain creates a relatively stable topographical foundation with moderate undulations rather than dramatic elevation changes. The region falls within the Cerrado biome, Brazil's tropical savanna ecoregion, which features extensive flat to gently sloping terrain interspersed with shallow valleys and low ridges. The topography is generally characterized by wide, open spaces with gradual transitions between elevated areas and lower-lying zones. Seasonal watercourses and small streams create subtle depressions in the landscape, but these features rarely present significant topographical obstacles. The geological foundation consists primarily of ancient crystalline rocks and sedimentary formations that have been weathered over millions of years, creating the characteristic smooth, rounded hills of the Central Plateau. This weathering process has resulted in relatively stable soils and gentle gradients across much of the region.

Optimal Areas for Large-Scale Solar Development

The broad plateau areas extending to the north and east of Alto Horizonte present the most favorable conditions for large-scale solar photovoltaic installations. These elevated plains offer extensive flat to gently sloping terrain with minimal shading from topographical features. The consistent elevation and open character of these areas provide excellent access for construction equipment and maintenance vehicles while minimizing the need for extensive site preparation or grading. Areas with south-facing slopes of less than 5 degrees would be particularly advantageous, as they can optimize solar panel orientation while maintaining manageable construction conditions. The plateau regions also tend to have fewer seasonal water accumulation issues compared to lower-lying areas, reducing potential complications during construction and operation. The western portions of the region, while still suitable, may present slightly more challenging conditions due to increased topographical variation and the presence of more pronounced drainage channels. However, these areas could still accommodate solar installations with appropriate site selection and minimal earthwork. Agricultural areas on the flatter portions of the plateau represent prime candidates for solar development, as the existing cleared land reduces environmental impact concerns while the established access infrastructure can facilitate project development. The combination of stable geology, gentle topography, and existing land use patterns makes these plateau regions ideal for utility-scale solar photovoltaic 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.