Santo Amaro das Brotas, Brazil presents an excellent location for year-round solar energy generation. Positioned in the tropics at coordinates -10.7762, -36.9574, this area benefits from consistent sunlight throughout the year, with seasons characterized more by wet and dry periods rather than the dramatic temperature variations found in temperate regions.

Solar Energy Output Performance

The solar energy production data reveals strong performance across all seasons. Spring delivers the highest output at 7.23 kWh per day per kW of installed solar capacity, closely followed by summer at 7.06 kWh per day. Even during the lowest production period in winter, the location still generates a respectable 5.37 kWh per day per kW, while autumn produces 6.07 kWh per day per kW. For fixed panel installations at this location, the ideal tilt angle to maximize total year-round solar production is 9 degrees North. This relatively shallow angle reflects the location's proximity to the equator, where the sun maintains a high position in the sky throughout the year.

Optimal Solar Generation Periods

The spring and summer months represent the peak solar generation periods for Santo Amaro das Brotas. During these seasons, the combination of favorable sun angles and weather patterns produces the highest energy yields. However, the relatively modest variation between seasons means that solar installations can maintain productive output year-round, making this location particularly attractive for consistent renewable energy generation.

Environmental and Weather Challenges

Several environmental factors could potentially impact solar production efficiency in this tropical location:

• High humidity levels typical of tropical climates can reduce solar panel efficiency
• Seasonal rainfall during wet periods may temporarily reduce solar irradiance
• Salt air exposure due to proximity to coastal areas can cause corrosion
• Dust and debris accumulation during dry seasons
• Potential for tropical storms or severe weather events

Preventative Measures for Optimal Performance

To maximize solar energy production and system longevity in Santo Amaro das Brotas, several preventative measures should be implemented:

• Install panels with anti-corrosive coatings and marine-grade mounting systems to resist salt air damage
• Implement regular cleaning schedules to remove dust, debris, and organic matter that accumulate on panel surfaces
• Ensure proper drainage around installations to prevent water pooling during heavy rainfall
• Use high-quality inverters with cooling systems designed for tropical climates
• Design mounting systems to withstand potential high winds from tropical weather systems
• Consider automated cleaning systems for larger installations to maintain efficiency

Despite these challenges, the consistently strong solar output throughout the year makes Santo Amaro das Brotas a highly favorable location for solar energy projects. With proper installation techniques and maintenance protocols, solar installations can achieve excellent performance while minimizing the impact of local environmental factors.

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 Santo Amaro Das Brotas

Seasonal solar PV output for Latitude: -10.7762, Longitude: -36.9574 (Santo Amaro Das Brotas, 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 9° North in Santo Amaro Das Brotas, Brazil

To maximize your solar PV system's energy output in Santo Amaro Das Brotas, Brazil (Lat/Long -10.7762, -36.9574) throughout the year, you should tilt your panels at an angle of 9° 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 Santo Amaro Das Brotas, 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 Santo Amaro Das Brotas, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 9° North tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
5° South in Summer	16° North in Autumn	26° North in Winter	5° 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 Santo Amaro Das Brotas, 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 Santo Amaro Das Brotas, 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 Santo Amaro Das Brotas, Brazil

Topographical Features of Santo Amaro das Brotas

Santo Amaro das Brotas sits in the coastal region of Sergipe state in northeastern Brazil, positioned within the Atlantic Forest biome transitional zone. The terrain around this municipality is characterized by gently rolling hills and relatively low-lying coastal plains that extend inland from the Atlantic Ocean. The elevation varies modestly across the region, with most areas ranging from near sea level to approximately 200 meters above sea level. The landscape features a mix of small river valleys and modest ridgelines that create a undulating topography rather than dramatic elevation changes. Several small waterways traverse the area, including tributaries that eventually drain toward the Atlantic coast. These water features have carved shallow valleys through the terrain over time, creating natural drainage patterns that influence the local topography. The soil composition in this region consists primarily of sandy and clay-based materials, with some areas showing evidence of ancient marine deposits from when sea levels were higher. The vegetation coverage varies from dense Atlantic Forest remnants in some areas to cleared agricultural lands and pasturelands that have been developed over recent decades.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for large-scale solar photovoltaic installations around Santo Amaro das Brotas would be the elevated plateau areas and gently sloping hillsides that offer consistent southern exposure. These elevated positions typically receive less interference from morning and evening shadows cast by surrounding terrain features. The cleared agricultural areas and former pasturelands present excellent opportunities for solar development, as they require minimal vegetation removal and often have existing access roads for construction and maintenance activities. These open areas also tend to have relatively flat or gently sloping terrain that simplifies the installation process and reduces grading requirements. Areas positioned on the northern and western sides of the small ridgelines would be particularly advantageous, as they avoid the shadow effects that can occur in valley bottoms during certain times of day. The slightly elevated positions also provide better air circulation, which can help maintain optimal operating temperatures for solar panels. The region's proximity to existing electrical infrastructure along major roads and near the town center makes certain areas more economically viable for large-scale solar development. Areas within reasonable distance of electrical substations or transmission lines would reduce the costs associated with connecting solar installations to the power grid. Locations with good drainage characteristics should be prioritized to avoid potential flooding issues during heavy rainfall periods. The naturally elevated areas and gentle slopes provide adequate water runoff while maintaining stable ground conditions for solar panel foundations and access roads.

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.