Solar Energy Potential in Raul Soares, Minas Gerais, Brazil

Raul Soares, Minas Gerais, Brazil offers a promising location for solar PV installations, situated in the tropics where sunlight remains fairly consistent throughout the year. This southeastern Brazilian municipality demonstrates good potential for solar energy generation across all seasons, though with some natural variation. The seasonal solar production shows a clear pattern at this location. During summer months, solar panels can generate approximately 6.17kWh per day for each kilowatt of installed capacity, representing the peak production period. Autumn follows with a respectable 5.53kWh/day, while spring delivers 5.30kWh/day per installed kilowatt. Winter shows the lowest generation at 4.67kWh/day, though this figure remains substantial compared to many non-tropical locations. For fixed solar panel installations in Raul Soares, Minas Gerais, the ideal tilt angle to maximize year-round energy production is 19 degrees facing North. This specific angle has been calculated to optimize annual solar capture based on the site's latitude and seasonal sun positions, accounting for the Earth's elliptical orbit.

Seasonal Considerations

The relatively small variation between seasons reflects the tropical location's advantage of consistent sunlight throughout the year. The difference between the highest producing season (summer) and lowest (winter) is only about 1.5kWh/day per installed kilowatt, representing a much more balanced annual production profile than locations at higher latitudes. While the region does experience wet and dry seasons rather than dramatic temperature shifts, the solar production figures suggest that even during the traditionally rainier periods, substantial energy generation remains possible. The summer months clearly offer optimal production conditions, making this an excellent time for energy-intensive activities or for storing excess production if battery systems are installed.

Potential Challenges and Mitigation

Several environmental factors could potentially impact solar production in Raul Soares. The tropical location means higher humidity and rainfall, particularly during wet seasons, which may cause temporary reductions in output. Installing panels with anti-reflective coatings and ensuring proper drainage around mounting structures can help mitigate these effects. Dust and pollen accumulation represents another consideration in tropical environments. Implementing regular cleaning schedules or installing automated cleaning systems can maintain optimal panel efficiency. Additionally, choosing panels with good heat tolerance is important, as tropical temperatures can reduce panel efficiency if not properly managed through adequate airflow behind the mounting system. The region may also experience occasional severe weather events including heavy thunderstorms. Using robust mounting systems designed to withstand high winds and heavy rain loads is advisable, along with proper lightning protection systems to safeguard the installation. Despite these considerations, the consistent solar production figures across seasons indicate that Raul Soares presents a highly favorable location for year-round solar energy generation, with relatively minor seasonal fluctuations compared to non-tropical regions.

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 Raul Soares

Seasonal solar PV output for Latitude: -20.0138, Longitude: -42.4096 (Raul Soares, 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 19° North in Raul Soares, Brazil

To maximize your solar PV system's energy output in Raul Soares, Brazil (Lat/Long -20.0138, -42.4096) throughout the year, you should tilt your panels at an angle of 19° 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 Raul Soares, 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 Raul Soares, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 19° 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	14° 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 Raul Soares, 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 Raul Soares, 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 Raul Soares, Brazil

The region around Raul Soares in the state of Minas Gerais, Brazil presents a diverse topographical landscape characterized by rolling hills, valleys, and moderate mountains typical of the Brazilian Highlands. This municipality sits within the Atlantic Forest biome, with terrain that varies significantly in elevation throughout the area.

Topographical Features

Raul Soares is situated in a predominantly hilly region with elevations ranging from approximately 300 to 800 meters above sea level. The landscape consists of undulating terrain with numerous valleys formed by rivers and streams that are part of the Doce River basin. The municipality itself is nestled among these hills, with the urban center positioned in a relatively flat area surrounded by more pronounced elevations. The surrounding countryside features a mixture of steep slopes and gentler inclines, creating a patchwork of terrain types. Many of these hillsides have been cleared for agricultural use and pastureland, while some steeper areas retain native vegetation. The natural contours of the land have historically influenced settlement patterns and land use in the region.

Hydrography

The area's topography is significantly influenced by its hydrography, with the Doce River and its tributaries carving valleys through the landscape. These waterways have shaped the terrain over millennia, creating natural corridors between hills and mountains. During rainy seasons, these rivers can swell considerably, affecting the lower-lying areas.

Potential for Solar PV Development

When considering large-scale solar photovoltaic installations, several areas around Raul Soares show promise based on their topographical characteristics: The gently sloping hillsides facing north (in the southern hemisphere, north-facing slopes receive more direct sunlight) represent prime locations for solar farms. These areas benefit from reduced shadowing effects and optimal sun exposure throughout the day. Particularly, the moderately elevated plateaus to the south and southeast of the municipality offer large, relatively flat expanses that would minimize the earthwork required for installation. Areas with cleared pastureland on gradual inclines provide ready-made spaces that would require minimal preparation for solar array placement. These locations are abundant in the region, especially in the western portions of the municipality where the terrain becomes somewhat less rugged. The higher elevation areas approximately 10-15 kilometers to the northeast of the town center feature broader, flatter hilltops that could accommodate substantial solar installations while benefiting from reduced atmospheric interference due to their elevation.

Topographical Challenges

Despite these opportunities, the region's topography does present certain challenges for large-scale solar development. The more mountainous areas to the east feature steep slopes that would make installation difficult and costly. Additionally, areas near the river valleys can experience morning fog, which might temporarily reduce solar efficiency. Some portions of the landscape retain significant forest cover, which would need to be considered in environmental impact assessments. The valleys between hills, while accessible, often receive reduced sunlight due to shadowing from adjacent elevations, particularly in early morning and late afternoon. The region's soil composition varies considerably with the changing topography, with some areas featuring more stable substrates for construction than others. The hillsides with lateritic soils provide better foundation conditions compared to the more alluvial soils found in the lower valleys. In conclusion, while the varied topography around Raul Soares presents both opportunities and challenges for solar PV development, the abundance of north-facing, moderate slopes and elevated plateaus makes this region potentially suitable for such projects, particularly in the cleared agricultural lands to the west and south of the municipality.

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

Tell Us About Your Work

We love seeing how our research helps others! If you've cited this article in your work, we'd be delighted to hear about it. Drop us a line via our Contact Us page or on X, to share where you've used our information - we may feature a link to your work on our site. This helps create a network of valuable resources for others in the solar energy community and helps us understand how our research is contributing to the field. Plus, we occasionally highlight exceptional works that reference our research on our social media channels.

Feeling generous?

Share this with your friends!

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.