Coromandel, Minas Gerais, Brazil presents an excellent location for year-round solar photovoltaic energy generation. Located in the tropical region at coordinates -18.4046, -47.1516, 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 Output Performance

The solar energy production data for Coromandel shows strong and consistent performance across all seasons. Summer delivers the highest output at 6.52 kWh per day per kW of installed solar capacity, followed closely by spring at 6.38 kWh per day per kW. Even during the lowest production period in winter, the location still generates a respectable 5.56 kWh per day per kW, with autumn producing 5.99 kWh per day per kW. This relatively small variation between seasons - only about 17% difference between the highest and lowest production periods - demonstrates the location's reliability for solar energy generation. The consistently high output levels make Coromandel an ideal location for both residential and commercial solar installations.

Optimal Panel Installation

For maximum year-round energy production at this location, solar panels should be installed at a fixed tilt angle of 18 degrees facing North. This optimal angle has been calculated by analyzing daily solar elevation angles at this latitude, determining daily optimal panel positioning, and weighting these angles according to solar irradiance data while accounting for Earth's elliptical orbit around the sun.

Environmental and Weather Challenges

Several local factors could potentially impact solar energy production in Coromandel and require consideration during installation:

• Seasonal rainfall patterns: The tropical wet season can bring heavy rains and increased cloud cover, reducing solar irradiance during certain months
• High humidity levels: Tropical humidity can lead to moisture buildup on panels and potential corrosion of electrical components
• Dust and debris accumulation: Dry seasons may result in dust buildup on panel surfaces, reducing efficiency
• Intense UV exposure: Strong tropical sunlight can accelerate degradation of panel materials and mounting systems

Preventative Measures for Enhanced Performance

To maximize solar energy production despite these challenges, several installation strategies should be implemented:

• Proper drainage design: Install panels with adequate spacing and drainage channels to prevent water pooling during heavy rains
• Corrosion-resistant materials: Use marine-grade aluminum frames and stainless steel mounting hardware to withstand humidity
• Regular cleaning schedule: Implement routine panel cleaning, especially during dry seasons when dust accumulation is highest
• Quality component selection: Choose panels and inverters rated for tropical conditions with enhanced UV resistance and temperature tolerance
• Adequate ventilation: Ensure proper airflow around panels to prevent overheating and maintain efficiency

Despite these considerations, the consistent high solar output throughout the year makes Coromandel an exceptionally favorable location for solar PV installations. With proper planning and quality components, the environmental challenges can be effectively managed to ensure optimal long-term performance.

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 Coromandel

Seasonal solar PV output for Latitude: -18.4046, Longitude: -47.1516 (Coromandel, 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 18° North in Coromandel, Brazil

To maximize your solar PV system's energy output in Coromandel, Brazil (Lat/Long -18.4046, -47.1516) 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.

Seasonally adjusted solar panel tilt angles for Coromandel, 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 Coromandel, 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
2° North in Summer	24° North in Autumn	34° North in Winter	13° 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 Coromandel, 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 Coromandel, 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 Coromandel, Brazil

Topographical Features of the Coromandel Region

The area surrounding Coromandel in Minas Gerais, Brazil, is characterized by gently rolling hills and elevated plateaus typical of the Brazilian Highlands. This region sits at a moderate elevation of approximately 1,000 meters above sea level, placing it within the Cerrado biome's transition zone. The landscape features undulating terrain with gradual slopes that create natural drainage patterns flowing toward nearby river systems. The topography consists primarily of weathered crystalline rock formations that have been shaped by millions of years of erosion, resulting in rounded hilltops and broad valleys. These geological formations create a relatively stable foundation with good drainage characteristics. The terrain includes scattered mesa-like formations and gentle ridgelines that provide elevated positions with excellent exposure to solar radiation throughout the day. Local elevation changes are generally moderate, with most variations occurring over distances of several kilometers rather than steep, dramatic changes. This creates extensive areas of relatively flat to gently sloping land that would be suitable for large-scale development projects. The region's geology consists mainly of granite and gneiss bedrock covered by lateritic soils, which provide good stability for construction purposes.

Climate and Environmental Considerations

The Coromandel region experiences a tropical savanna climate with distinct wet and dry seasons. The dry season typically extends from May through September, providing extended periods of clear skies and minimal cloud cover. During this period, the atmospheric conditions are particularly favorable for solar energy generation, with low humidity and excellent atmospheric clarity. The area receives abundant solar radiation throughout the year due to its location in the Southern Hemisphere's tropical zone and its elevated position. The combination of latitude and altitude creates optimal conditions for photovoltaic systems, with the higher elevation reducing atmospheric interference and providing cooler operating temperatures for solar panels. Vegetation in the region consists primarily of Cerrado grasslands with scattered trees and shrubs. This sparse vegetation cover means that large areas could potentially be developed without requiring extensive clearing of dense forests, making environmental impact assessments more favorable for solar installations.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for large-scale solar photovoltaic installations would be found on the broader plateau areas and gentle south-facing slopes surrounding Coromandel. These areas offer several advantages including relatively flat terrain that minimizes grading requirements, good accessibility for construction and maintenance vehicles, and optimal solar exposure throughout the day. The elevated plateaus to the northeast and southwest of the town center present particularly attractive opportunities. These areas feature expansive flat to gently rolling terrain with minimal obstructions from vegetation or existing development. The stable geological conditions and good drainage characteristics of these plateaus make them ideal for supporting large solar arrays and associated infrastructure. Valley floors and lower-lying areas, while potentially offering easier access, may experience more frequent fog formation during certain seasons and could have drainage challenges during the wet season. The higher elevation sites would be preferable as they remain above typical fog levels and provide better atmospheric conditions for solar generation. Areas with southern exposures on gentle slopes of 5-15 degrees would be particularly well-suited for fixed-tilt solar installations, as they would maximize solar collection during peak radiation periods. The combination of favorable topography, stable geology, and excellent solar resource makes the Coromandel region highly attractive for utility-scale solar development 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.