Volta Redonda, Rio de Janeiro, Brazil, situated at latitude -22.5218 and longitude -44.1012, offers a promising location for solar PV energy generation. This tropical city experiences consistent sunlight throughout most of the year, with seasons characterized more by wet and dry periods than significant temperature fluctuations.

Seasonal Solar Performance

The solar energy potential in Volta Redonda varies across the meteorological seasons. Summer stands out as the most productive period, with an impressive 6.14 kWh per day for each kilowatt of installed solar capacity. Spring and autumn follow closely, generating 5.32 kWh/day and 5.23 kWh/day, respectively. Even during winter, the output remains substantial at 4.52 kWh/day.

This relatively consistent year-round performance is a significant advantage for solar energy production in Volta Redonda. The difference between the highest and lowest seasonal outputs is only about 1.62 kWh/day, indicating a stable energy supply throughout the year.

Optimal Panel Positioning

To maximize year-round solar energy production in Volta Redonda, Rio de Janeiro, fixed solar panels should be tilted at an angle of 21 degrees facing North. This orientation takes into account the city's latitude and the sun's position throughout the year, ensuring optimal exposure to sunlight across all seasons.

Environmental Considerations

While Volta Redonda's climate is generally favorable for solar energy production, there are a few environmental factors to consider. The region experiences a wet season, typically from October to March, which could potentially impact solar panel efficiency due to increased cloud cover and rainfall.

To mitigate these effects, installing high-quality, water-resistant solar panels is crucial. Additionally, implementing a robust cleaning and maintenance schedule during the wet season can help maintain optimal performance by preventing the accumulation of dirt and debris on the panels.

Another factor to consider is the potential for occasional dust storms during the dry season. To address this, installing panels with anti-soiling coatings and implementing automated cleaning systems can help maintain efficiency and reduce the need for manual cleaning.

Overall, Volta Redonda presents an ideal location for solar PV energy generation, with its consistent sunlight and relatively stable seasonal output. By addressing the few environmental challenges through proper installation and maintenance practices, solar energy systems in this area can achieve high levels of efficiency and reliability 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 Volta Redonda

Seasonal solar PV output for Latitude: -22.5218, Longitude: -44.1012 (Volta Redonda, 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 21° North in Volta Redonda, Brazil

To maximize your solar PV system's energy output in Volta Redonda, Brazil (Lat/Long -22.5218, -44.1012) throughout the year, you should tilt your panels at an angle of 21° 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 Volta Redonda, 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 Volta Redonda, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 21° North tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
7° North in Summer	28° North in Autumn	38° North in Winter	16° 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 Volta Redonda, 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 Volta Redonda, 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 Volta Redonda, Brazil

The topography around Volta Redonda, Brazil, is characterized by a diverse landscape of rolling hills, valleys, and mountains. The city itself is situated in a valley along the Paraíba do Sul River, surrounded by the Serra do Mar mountain range. This region, known as the Paraíba Valley, features a mix of undulating terrain and more rugged, elevated areas. To the north and west of Volta Redonda, the land gradually rises into the foothills of the Serra da Mantiqueira, a prominent mountain range that forms part of the larger Serra do Mar system. These areas are marked by steep slopes, deep valleys, and forested hillsides. The elevation increases significantly as you move away from the city center, with some nearby peaks reaching heights of over 1,000 meters above sea level. To the south and east, the terrain is generally less mountainous but still features a series of hills and smaller valleys. This area is part of the Atlantic Forest biome, which once covered much of Brazil's coastal regions. Although much of the original forest has been cleared for agriculture and urban development, patches of native vegetation still exist, particularly on steeper slopes and in protected areas.

Potential Areas for Large-Scale Solar PV

When considering suitable locations for large-scale solar photovoltaic (PV) installations near Volta Redonda, several factors must be taken into account, including topography, land availability, and solar radiation levels. Based on these considerations, the following areas show promise: The flatter areas to the south and east of Volta Redonda offer the most potential for large-scale solar PV development. These regions have gentler slopes and more open spaces, which are ideal for the installation of solar panels. The lower elevation and reduced shadowing from mountains also contribute to higher solar radiation levels throughout the day. Some of the elevated plateaus and broader hilltops in the surrounding area could also be suitable for solar farms. While these locations may require more extensive site preparation, they often benefit from reduced vegetation and unobstructed exposure to sunlight. It's important to note that any large-scale solar PV project would need to carefully balance environmental concerns with energy production goals. The region's biodiversity and remaining forest areas should be preserved where possible, focusing development on already cleared or degraded lands. Additionally, proximity to existing electrical infrastructure and the power grid would play a crucial role in determining the most economically viable locations for solar PV installations. Areas closer to Volta Redonda's industrial zone and major transmission lines would likely be favored for easier integration into the existing energy system.

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.