Solar Energy Potential in Lagoa do Itaenga, Brazil
Lagoa do Itaenga, Brazil offers generally favorable conditions for solar energy production throughout the year. Located in the tropics where sunlight remains relatively consistent across seasons, this location demonstrates good potential for photovoltaic (PV) installations. The seasonal energy output shows some variation throughout the year. Spring is the most productive season with an impressive 6.76 kWh per day for each kilowatt of installed solar capacity. Summer follows closely with 6.23 kWh/day, while autumn generates 5.54 kWh/day. Winter represents the least productive period but still maintains a respectable 5.09 kWh/day output. This seasonal pattern indicates that while Lagoa do Itaenga experiences some fluctuation in solar production, the difference between the highest and lowest producing seasons is relatively modest compared to locations at higher latitudes. The consistent year-round production makes this location particularly suitable for solar energy systems that need to provide reliable power throughout the year.Optimal Panel Installation
For fixed solar panel installations in Lagoa do Itaenga, the ideal tilt angle to maximize year-round energy production is 7 degrees facing North. This relatively shallow tilt angle reflects the location's proximity to the equator, where the sun passes more directly overhead throughout much of the year.Environmental and Weather Considerations
Several factors could potentially impact solar production in this location:- Heavy rainfall during wet seasons may reduce solar output due to cloud cover and could necessitate more frequent panel cleaning to remove accumulated dirt and debris.
- High humidity levels typical of tropical regions might accelerate wear on electrical components if not properly protected.
- Potential for tropical storms or extreme weather events could pose physical risks to installations.
Preventative Measures
To maximize solar production despite these challenges, several preventative measures are recommended:- Install high-quality, weather-resistant equipment designed specifically for tropical climates.
- Implement regular cleaning schedules, particularly during dry seasons when dust accumulation may be higher.
- Use corrosion-resistant mounting hardware and sealed junction boxes to protect against humidity-related degradation.
- Consider slightly elevated ground mounts or roof installations with appropriate anchoring to withstand potential strong winds.
- Install lightning protection systems due to the higher frequency of thunderstorms in tropical regions.
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 Lagoa Do Itaenga
Seasonal solar PV output for Latitude: -7.9055, Longitude: -35.2992 (Lagoa Do Itaenga, 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 7° North in Lagoa Do Itaenga, Brazil
To maximize your solar PV system's energy output in Lagoa Do Itaenga, Brazil (Lat/Long -7.9055, -35.2992) throughout the year, you should tilt your panels at an angle of 7° 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 Lagoa Do Itaenga, 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 Lagoa Do Itaenga, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 7° North tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 8° South in Summer | 14° North in Autumn | 24° North in Winter | 2° 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 Lagoa Do Itaenga, 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 Lagoa Do Itaenga, 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 Lagoa Do Itaenga, Brazil
The topography around Lagoa do Itaenga, Brazil presents a diverse landscape characteristic of the eastern portion of Pernambuco state. Located in the Zona da Mata region, this area features gently rolling hills interspersed with flat plains and shallow valleys. The terrain generally maintains a modest elevation, typically ranging between 100 to 200 meters above sea level, with gradual slopes rather than steep inclines dominating the landscape. The municipality sits within a transitional zone between the more humid coastal areas to the east and the drier agreste region to the west. This geographical positioning has shaped the local terrain, which shows evidence of long-term erosion processes that have smoothed many of the natural features. Small water bodies, including the lagoon for which the municipality is named, dot the landscape, with seasonal streams creating shallow drainage patterns across the region.
Surrounding Topographical Features
The immediate surroundings of Lagoa do Itaenga consist primarily of undulating terrain with modest elevation changes. Moving outward, the landscape becomes slightly more varied, with some areas rising to form low hills while others flatten into broader plains. The northeastern direction leads toward the more densely populated coastal regions, where the terrain gradually descends toward sea level. To the west and southwest, the landscape begins to show subtle transitions toward the agreste region, with slightly higher elevations and more pronounced hills. The natural vegetation has been significantly altered by centuries of agricultural activity, primarily sugarcane cultivation, which has reshaped much of the original topography.Optimal Areas for Solar PV Development
Several nearby areas present favorable conditions for large-scale solar photovoltaic installations based on topographical considerations. The most suitable locations would be the gently sloping plains to the west and southwest of Lagoa do Itaenga, where the terrain offers several advantages for solar development. These areas feature relatively flat expanses with slight southern or western inclinations that can maximize solar exposure throughout the day. The modest elevation of these zones also benefits from minimal shadowing effects from surrounding terrain, allowing for consistent solar radiation capture. Additionally, these locations typically have fewer water bodies and drainage concerns compared to the lower-lying areas closer to the municipality center. The northwestern sector, extending toward the municipalities of Limoeiro and Glória do Goitá, contains several plateaus with favorable topography for solar installations. These higher elevation areas experience less morning fog compared to the lower areas closer to water bodies, potentially increasing overall solar efficiency. Areas to avoid would include the more densely vegetated valleys, particularly those with permanent water features, as these present both construction challenges and potential environmental concerns. Similarly, the steeper hillsides found in scattered locations throughout the region would require significant grading, increasing installation costs and environmental impact. The eastern reaches toward Carpina and Paudalho have more variable terrain and higher population density, making them generally less suitable for large-scale solar development despite having similar solar radiation profiles to the western areas.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: Sunday 29th of June 2025
Last Updated: Monday 28th of July 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.
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