Monte Alegre de Sergipe, Brazil presents an excellent location for year-round solar photovoltaic energy generation. Located in the tropics at coordinates -10.0752, -37.6076, this area benefits from consistent sunlight throughout most of the year, with seasons characterized more by wet and dry periods rather than the temperature variations seen in temperate climates.
Solar Energy Production Potential
The solar energy output data for Monte Alegre de Sergipe demonstrates strong year-round performance. Spring emerges as the peak season with 6.68 kWh per day per kW of installed solar capacity, followed closely by summer at 6.25 kWh per day. Autumn maintains solid production at 5.50 kWh per day, while winter shows the lowest but still respectable output at 4.81 kWh per day. For optimal energy capture, solar panels should be installed at a fixed tilt angle of 9 degrees facing north. This angle maximizes total year-round production by accounting for the sun's path throughout the seasons and the location's proximity to the equator.Peak Solar Generation Periods
The data reveals that spring and summer represent the ideal times for solar energy generation at this location. The spring peak of 6.68 kWh per day makes it the most productive season, likely coinciding with optimal sun angles and favorable weather conditions. Summer's strong performance of 6.25 kWh per day maintains high productivity levels.Environmental and Weather Challenges
Several local factors could potentially impact solar production in Monte Alegre de Sergipe:- High humidity and moisture levels typical of tropical climates can reduce panel efficiency and promote corrosion
- Heavy rainfall during wet seasons may temporarily reduce solar output and cause soiling when combined with dust
- Salt air from coastal proximity can accelerate corrosion of metal components
- Intense UV radiation, while beneficial for energy production, can degrade panel materials more quickly
- Potential for tropical storms or severe weather events
Preventative Installation Measures
To maximize energy production and system longevity in this tropical environment, several preventative measures should be implemented. Selecting panels and mounting hardware with enhanced corrosion resistance, including marine-grade aluminum or stainless steel components, helps combat the humid, potentially salt-laden atmosphere. Proper drainage design becomes crucial to prevent water accumulation during heavy rains. Installing panels with adequate spacing allows for natural cleaning during rainfall while ensuring proper ventilation to reduce heat buildup and moisture retention. Regular maintenance schedules should account for more frequent cleaning due to the combination of dust and humidity, which can create stubborn soiling. Anti-corrosion treatments and protective coatings on all metal components extend system life in this challenging environment. Robust grounding systems and surge protection devices are essential given the potential for electrical storms in tropical regions. Additionally, selecting inverters and electrical components rated for high humidity and temperature conditions ensures reliable long-term performance in Monte Alegre de Sergipe's tropical climate.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 Monte Alegre De Sergipe
Seasonal solar PV output for Latitude: -10.0752, Longitude: -37.6076 (Monte Alegre De Sergipe, 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 Monte Alegre De Sergipe, Brazil
To maximize your solar PV system's energy output in Monte Alegre De Sergipe, Brazil (Lat/Long -10.0752, -37.6076) 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 Monte Alegre De Sergipe, 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 Monte Alegre De Sergipe, 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 |
|---|---|---|---|
| 6° South in Summer | 15° North in Autumn | 26° North in Winter | 4° 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 Monte Alegre De Sergipe, 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 Monte Alegre De Sergipe, 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 Monte Alegre De Sergipe, Brazil
Regional Topography and Landscape
Monte Alegre de Sergipe sits within the northeastern Brazilian state of Sergipe, positioned in a region characterized by gently rolling hills and relatively modest elevation changes. The surrounding landscape features a mix of low-lying coastal plains to the east and gradually rising terrain as one moves inland toward the west. The topography is generally favorable for development, with most areas experiencing gentle slopes rather than steep inclines or dramatic elevation changes. The region falls within the transition zone between Brazil's Atlantic coastal lowlands and the beginning of the interior plateau. This positioning creates a landscape of undulating terrain with numerous small valleys and ridges, though none are particularly pronounced. The elevation changes are gradual enough that they rarely present significant obstacles to large-scale infrastructure development.Terrain Characteristics
The soil composition in the area consists primarily of sedimentary deposits with some areas of weathered crystalline rocks. Much of the surrounding land has been shaped by centuries of agricultural use, particularly cattle ranching and crop cultivation, which has resulted in relatively open terrain with scattered vegetation. The natural vegetation includes elements of both Atlantic Forest remnants and Caatinga scrubland, though much has been modified by human activity. Water features in the region include several small rivers and seasonal streams that flow generally eastward toward the Atlantic Ocean. These waterways have carved shallow valleys through the landscape, creating natural drainage patterns that influence the local topography. During the dry season, many of these smaller watercourses become intermittent or dry completely.Optimal Areas for Solar Development
The most suitable locations for large-scale solar photovoltaic installations would be the relatively flat to gently sloping areas that extend primarily to the north and northwest of Monte Alegre de Sergipe. These areas offer several advantages including minimal grading requirements, good drainage characteristics, and sufficient space for extensive solar arrays without significant terrain modifications. The elevated plateaus and broad ridgetops in the region present particularly attractive opportunities for solar development. These locations benefit from excellent exposure to solar radiation throughout the day while avoiding the potential shading issues that might occur in valley locations. The stable, well-drained soils in these areas also provide good foundation conditions for solar mounting systems. Areas with gentle south-facing slopes would be especially well-suited for solar installations, as they can be oriented to maximize solar exposure while taking advantage of natural terrain features. The relatively low relief of the surrounding landscape means that horizon shading is minimal, allowing solar panels to capture sunlight effectively throughout the daylight period.Infrastructure Considerations
The region benefits from reasonable access to existing road networks, which would facilitate the transportation of equipment and materials needed for large-scale solar projects. The proximity to established agricultural areas means that much of the land is already cleared or requires minimal vegetation removal, reducing development costs and environmental impact. The gentle topography also supports efficient installation of electrical infrastructure needed to connect solar facilities to the regional power grid. The relatively stable geological conditions and moderate elevation changes would allow for straightforward routing of transmission lines and access roads without requiring extensive earthwork or specialized engineering solutions.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: Thursday 31st of July 2025
Last Updated: Friday 8th 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.




