The location of Caratinga, Minas Gerais, Brazil, situated at latitude -19.6886 and longitude -42.1238, offers generally favorable conditions for solar PV energy generation throughout the year. This tropical location benefits from consistent sunlight, with seasons characterized more by wet and dry periods rather than significant temperature variations.

Seasonal Solar Performance

Solar energy production in Caratinga demonstrates a relatively stable output across seasons, with some fluctuations:

• Summer: 5.96 kWh/day
• Autumn: 5.51 kWh/day
• Winter: 4.47 kWh/day
• Spring: 5.17 kWh/day

These figures indicate that summer is the most productive season, while winter experiences a noticeable dip in energy generation. However, the difference between the highest and lowest outputs is not extreme, suggesting a relatively consistent year-round performance.

Optimal Panel Positioning

For fixed solar panel installations in Caratinga, Minas Gerais, the ideal tilt angle to maximize year-round production is 19 degrees facing North. This angle takes into account the location's latitude and the sun's position throughout the year, ensuring optimal exposure to sunlight across seasons.

Environmental Considerations

While Caratinga's tropical climate is generally conducive to solar energy production, there are some factors that could potentially impact efficiency:

1. Rainfall: The region experiences a wet season, typically from October to March. Heavy rain and cloud cover during this period may temporarily reduce solar output. To mitigate this, ensure panels are installed at the optimal angle to allow water runoff and consider using high-efficiency panels that perform well in diffuse light conditions.

2. Dust and Pollen: The area's vegetation and dry periods can lead to dust and pollen accumulation on panels. Regular cleaning and maintenance of the solar array can help maintain optimal performance. Additionally, consider installing panels with anti-soiling coatings to reduce the impact of dust buildup.

3. Temperature: High temperatures in the tropics can slightly reduce solar panel efficiency. Choosing panels with good temperature coefficients and ensuring adequate ventilation behind the panels can help mitigate this effect.

Overall, Caratinga presents a favorable location for solar PV installations, with consistent year-round production and manageable environmental challenges that can be addressed through proper system design and maintenance.

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 Caratinga

Seasonal solar PV output for Latitude: -19.6886, Longitude: -42.1238 (Caratinga, 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 Caratinga, Brazil

To maximize your solar PV system's energy output in Caratinga, Brazil (Lat/Long -19.6886, -42.1238) 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 Caratinga, 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 Caratinga, 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	25° 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 Caratinga, 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 Caratinga, 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 Caratinga, Brazil

The topography around Caratinga, Brazil, located at latitude -19.6886 and longitude -42.1238, is characterized by a diverse and undulating landscape. This region, situated in the eastern part of Minas Gerais state, features a mix of rolling hills, steep slopes, and narrow valleys. The area is part of the Atlantic Forest biome, which once covered much of Brazil's eastern coast but has been significantly reduced due to human activity. Caratinga itself is nestled in a valley surrounded by hills, with elevations ranging from approximately 500 to 1,000 meters above sea level. The terrain is generally rugged, with numerous small streams and rivers cutting through the landscape, creating a network of waterways that drain into larger river systems. The combination of hills and valleys creates a varied topography that has influenced local settlement patterns and land use.

Potential for Large-Scale Solar PV

When considering areas nearby that would be most suited to large-scale solar photovoltaic (PV) installations, several factors come into play. Ideal locations for solar farms typically require relatively flat or gently sloping terrain, good sun exposure, and minimal shading from surrounding topography or vegetation. In the vicinity of Caratinga, the most suitable areas for large-scale solar PV would likely be found on the tops and upper slopes of the broader, more open hills. These elevated areas tend to receive more consistent sunlight throughout the day and are less prone to shading from nearby terrain features. Additionally, some of the wider valley floors, particularly those that have been cleared for agriculture, could potentially accommodate solar installations. However, it's important to note that the region's hilly nature and forested areas may limit the availability of large, contiguous plots of land ideal for extensive solar farms. Developers would need to carefully survey potential sites to ensure they meet the necessary criteria for efficient solar energy production. Furthermore, any large-scale solar PV project in this area would need to consider environmental impacts, particularly given the region's importance as part of the Atlantic Forest ecosystem. Balancing renewable energy development with conservation efforts would be crucial in selecting appropriate sites for solar installations near Caratinga.

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.