Paulo Jacinto, Alagoas, Brazil presents an excellent location for year-round solar energy generation. Located in the tropical region at coordinates -9.3697, -36.3929, 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 Production Potential

The solar energy output data for Paulo Jacinto shows strong performance across all seasons. Spring delivers the highest production at 7.02 kWh per day per kW of installed solar capacity, closely followed by summer at 6.86 kWh per day per kW. Even during the lowest production period in winter, the location still generates a respectable 4.87 kWh per day per kW, while autumn produces 5.67 kWh per day per kW. For optimal year-round performance, solar panels should be installed at a fixed tilt angle of 8 degrees facing north. This angle maximizes total annual solar production by accounting for the sun's path throughout the year and the location's proximity to the equator.

Environmental and Weather Factors

Several environmental factors could potentially impact solar energy production in Paulo Jacinto, Alagoas, though most can be effectively managed with proper installation techniques. The tropical climate brings significant rainfall during wet seasons, which can reduce solar output when heavy cloud cover persists. However, rain also provides a natural cleaning benefit by washing dust and debris from panel surfaces. The high humidity typical of tropical regions can accelerate corrosion of metal components if not properly protected. Dust accumulation during dry periods represents another challenge, as airborne particles can coat panel surfaces and reduce efficiency. The coastal proximity of this northeastern Brazilian location may also introduce salt-laden air, which can be corrosive to equipment over time.

Preventative Installation Measures

To maximize energy production despite these environmental challenges, several installation strategies prove effective:

• Use marine-grade aluminum frames and stainless steel mounting hardware to resist corrosion from humidity and salt air
• Apply anti-corrosive coatings to all metal components and ensure proper grounding systems
• Install panels with adequate spacing for air circulation to prevent moisture buildup
• Design mounting systems to allow easy access for regular cleaning and maintenance
• Consider automated cleaning systems or establish regular manual cleaning schedules during dry periods

Proper drainage around the installation site prevents water pooling that could damage electrical components. Investing in high-quality inverters with appropriate IP ratings ensures electronics can withstand the humid conditions typical of this tropical location. Despite these considerations, Paulo Jacinto's consistent solar resource and strong year-round production numbers make it an attractive location for solar energy projects when proper installation practices are followed.

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 Paulo Jacinto

Seasonal solar PV output for Latitude: -9.3697, Longitude: -36.3929 (Paulo Jacinto, 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 8° North in Paulo Jacinto, Brazil

To maximize your solar PV system's energy output in Paulo Jacinto, Brazil (Lat/Long -9.3697, -36.3929) throughout the year, you should tilt your panels at an angle of 8° 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 Paulo Jacinto, 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 Paulo Jacinto, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 8° North tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
6° South in Summer	15° North in Autumn	25° North in Winter	3° 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 Paulo Jacinto, 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 Paulo Jacinto, 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 Paulo Jacinto, Brazil

Topographical Features of Paulo Jacinto Region

Paulo Jacinto sits within the northeastern Brazilian state of Alagoas, positioned in a landscape characterized by gently rolling hills and relatively low elevation terrain. The area forms part of the broader Northeastern Plateau region, where the topography transitions between the coastal plains to the east and the more elevated interior tablelands. The immediate surroundings feature undulating terrain with modest elevation changes, creating a series of low ridges and shallow valleys that extend across the countryside. The region's elevation ranges from approximately 200 to 400 meters above sea level, with the terrain gradually rising as one moves inland from the Atlantic coast. The landscape is punctuated by rounded hilltops and gentle slopes, typical of the weathered crystalline basement rocks that underlie much of this part of Brazil. Small seasonal streams and dry creek beds cut through the terrain, creating narrow valleys that provide natural drainage patterns during the rainy season.

Geological Foundation and Terrain Stability

The underlying geology consists primarily of Precambrian crystalline rocks, including granites and gneisses that have been extensively weathered over geological time. This creates a relatively stable foundation with well-developed soil profiles that vary from shallow rocky soils on hilltops to deeper, more fertile soils in valley bottoms. The weathering process has produced a landscape with smooth, rounded contours rather than sharp ridges or steep escarpments. Rock outcrops are scattered throughout the region, appearing as isolated boulders or low rocky exposures on hillsides and ridge crests. These formations, known locally as "inselbergs," provide natural landmarks in the otherwise gently undulating terrain. The combination of stable geology and moderate relief creates favorable conditions for construction activities and infrastructure development.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for extensive solar installations would be the broad, gently sloping hilltops and ridge areas that dominate the landscape around Paulo Jacinto. These elevated areas typically offer several advantages including consistent exposure to sunlight throughout the day, natural drainage to prevent water accumulation, and relatively stable ground conditions for mounting systems. The south-facing slopes of the higher ridges would be particularly well-suited for solar panel orientation in this southern hemisphere location. The wider valley floors and plateau areas also present excellent opportunities for large solar farms, especially where the terrain is relatively flat and free from significant vegetation or agricultural use. These areas often provide the extensive open spaces necessary for utility-scale installations while maintaining reasonable access for construction and maintenance activities. The gentle gradients found in these locations minimize the need for extensive grading or terracing work. Areas with existing cleared land or sparse vegetation cover would require minimal environmental preparation, reducing development costs and environmental impact. The region's mix of agricultural land and natural grassland areas provides multiple options for solar development, particularly in locations where farming activities are less intensive or economically marginal.

Infrastructure and Access Considerations

The rolling terrain around Paulo Jacinto generally supports good road access, with existing rural roads following ridge lines and connecting valley settlements. This existing transportation network would facilitate the movement of equipment and materials needed for solar installation projects. The moderate topography means that most potential solar sites could be accessed without requiring extensive new road construction through difficult terrain. The area's proximity to existing electrical infrastructure, including transmission lines that serve the regional population centers, provides additional advantages for connecting large-scale solar installations to the electrical grid. The stable terrain and moderate slopes also support the construction of access roads and maintenance facilities needed for ongoing operations of solar installations.

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.