Taquarana, Alagoas, Brazil presents a highly favorable location for year-round solar PV energy generation. Located in the tropics at coordinates -9.5977, -36.4878, this area benefits from consistent sunlight throughout most of the year, with seasons characterized more by wet and dry periods rather than dramatic temperature variations.
Solar Energy Production Performance
The solar energy output at Taquarana shows excellent potential 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/day. Autumn maintains strong performance at 5.67 kWh/day, while winter, though the lowest producing season, still generates a respectable 4.87 kWh/day per kW installed. The most productive periods for solar generation occur during spring and summer months, when the combination of optimal sun angles and favorable weather conditions maximize energy output. Even during the winter months, production remains substantial, making this location excellent for consistent year-round solar energy generation. For optimal performance, solar panels should be installed at a fixed tilt angle of 8 degrees facing North. This angle has been calculated to maximize total year-round production by accounting for the sun's path throughout the seasons, daily solar elevation angles, and weighting factors based on solar irradiance data.Environmental and Weather Challenges
Several environmental factors could potentially impact solar production at this tropical location, though most can be effectively managed with proper installation practices. Humidity and Moisture represent the primary concern in this tropical climate. High humidity levels can lead to condensation on panels and within electrical components, potentially reducing efficiency and causing long-term damage. The wet season brings additional moisture challenges that require careful attention to system design and maintenance. Heavy Rainfall and Storms during wet seasons can temporarily reduce solar output and pose risks to equipment. Intense tropical storms may bring high winds, hail, or debris that could damage panels or mounting systems. Dust and Organic Debris accumulation on panels can significantly reduce efficiency. In tropical environments, this includes not only dust particles but also organic matter like leaves, bird droppings, and pollen that can create stubborn films on panel surfaces.Preventative Measures for Optimal Performance
Several installation and maintenance strategies can help maximize solar energy production despite these environmental challenges:- Weatherproofing and Ventilation: Install panels with adequate spacing for air circulation and use high-quality weatherproof electrical components rated for tropical conditions
- Robust Mounting Systems: Use corrosion-resistant mounting hardware designed to withstand high winds and secure panels against storm damage
- Regular Cleaning Schedule: Implement frequent panel cleaning, especially during and after wet seasons when organic debris accumulates most rapidly
- Drainage Design: Ensure proper water drainage around installation areas to prevent standing water that could lead to electrical issues or structural problems
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 Taquarana
Seasonal solar PV output for Latitude: -9.5977, Longitude: -36.4878 (Taquarana, 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 Taquarana, Brazil
To maximize your solar PV system's energy output in Taquarana, Brazil (Lat/Long -9.5977, -36.4878) 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 Taquarana, 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 Taquarana, 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 Taquarana, 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 Taquarana, Brazil.
Our calculation method
- Solar Position:
We determine the Sun's position on the Winter solstice using the location's latitude and solar declination. - Shadow Projection:
We calculate the shadow length cast by panels using trigonometry, considering panel tilt and the Sun's elevation angle. - 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 Taquarana, Brazil
Topography Around Taquarana
Taquarana sits in the interior of Alagoas state in northeastern Brazil, positioned within the Agreste region that forms a transitional zone between the coastal lowlands and the semi-arid interior. The topography around this municipality is characterized by gently rolling hills and undulating terrain typical of the Brazilian Northeast's intermediate zone. The landscape features a series of low ridges and shallow valleys, with elevations generally ranging from 200 to 400 meters above sea level.
The terrain around Taquarana is part of the broader Borborema Plateau system, which extends across much of northeastern Brazil. This geological formation creates a landscape of weathered crystalline rocks that have been eroded over millions of years into relatively gentle slopes and rounded hilltops. The area displays the characteristic features of ancient shield geology, with resistant rock outcrops occasionally breaking through the soil surface.
Water courses in the region tend to follow the natural contours of the land, creating meandering patterns through the valleys. The drainage patterns reflect the underlying topography, with streams and seasonal watercourses flowing generally eastward toward the Atlantic coast. During the dry season, many of these waterways become intermittent, leaving behind sandy beds and small pools.
Optimal Areas for Large-Scale Solar Development
The most suitable locations for large-scale solar photovoltaic installations around Taquarana would be the elevated plateau areas and gentle south-facing slopes that characterize much of the surrounding landscape. These elevated positions typically offer several advantages including consistent exposure to solar radiation throughout the day and natural drainage that prevents water accumulation around solar infrastructure.
The broad, relatively flat hilltops scattered throughout the region present ideal conditions for solar farms. These areas require minimal grading and earthwork, reducing installation costs while providing stable foundations for mounting systems. The gentle gradients found on many of these elevated sites allow for optimal panel orientation while maintaining good access for maintenance vehicles.
Areas to the west and southwest of Taquarana appear particularly promising, where the topography opens into broader, less dissected terrain. These zones feature expansive areas of gently sloping land with minimal vegetation obstacles and good accessibility via existing rural roads. The stable geological conditions of the crystalline basement rocks provide solid foundations for large-scale infrastructure development.
The transitional climate zone location offers advantages for solar development, as the area experiences less extreme weather conditions than either the humid coastal regions or the most arid interior zones. The moderate elevation and inland position help reduce the corrosive effects of salt-laden coastal air while maintaining the clear atmospheric conditions favorable for solar energy generation that characterize much of northeastern Brazil.
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
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Monday 21st of July 2025
Last Updated: Thursday 7th of August 2025
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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.




