Ibimirim, Pernambuco, Brazil represents an excellent location for year-round solar energy generation, benefiting from its tropical position where consistent sunlight availability makes it highly suitable for solar photovoltaic installations.
Solar Energy Production Throughout the Year
The solar energy output at this location shows strong performance across all seasons, with some notable seasonal variations. Spring emerges as the peak production period, delivering an impressive 7.40 kWh per day for each kilowatt of installed solar capacity. Summer follows closely with 6.61 kWh/day per kW, while autumn provides 5.90 kWh/day per kW. Winter represents the lowest production period at 5.27 kWh/day per kW, though this still constitutes a respectable output level. The ideal times for solar generation at Ibimirim are spring and summer, when the combination of sun angle and weather conditions creates optimal energy production conditions. Even during the winter months, the tropical location ensures that solar output remains viable for consistent energy generation.Optimal Panel Installation
For maximum year-round energy production at this location, solar panels should be installed at a fixed tilt angle of 7 degrees facing north. This angle has been calculated to optimize total annual solar output by accounting for the sun's changing position throughout the year and the Earth's elliptical orbit pattern.Environmental and Weather Challenges
Several environmental factors at Ibimirim could potentially impact solar energy production and require consideration during installation planning. Dust and Sand Accumulation: The semi-arid climate characteristic of this region of Brazil can lead to significant dust and sand buildup on solar panels. This accumulation reduces light transmission and can decrease energy output by 10-25% if left unaddressed. Intense Heat: While abundant sunshine benefits solar production, extreme heat can actually reduce panel efficiency. Solar panels typically lose efficiency as temperatures rise above their optimal operating range. Seasonal Rainfall Patterns: The tropical wet and dry season cycle means extended dry periods followed by intense rainfall. During dry seasons, dust accumulation accelerates, while heavy rains can cause temporary shading from storm clouds.Preventative Measures for Optimal Performance
Several installation strategies can help maximize solar energy production despite these environmental challenges:- Install automated cleaning systems or schedule regular manual cleaning to remove dust and sand buildup, particularly important during dry seasons
- Ensure adequate ventilation around panels to promote air circulation and cooling, reducing heat-related efficiency losses
- Use high-quality mounting systems that allow for proper drainage during heavy rainfall periods
- Select solar panels with anti-reflective coatings and self-cleaning surfaces where possible
- Position panels to take advantage of prevailing winds that can help naturally remove loose dust and debris
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 Ibimirim
Seasonal solar PV output for Latitude: -8.5647, Longitude: -37.597 (Ibimirim, 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 Ibimirim, Brazil
To maximize your solar PV system's energy output in Ibimirim, Brazil (Lat/Long -8.5647, -37.597) 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 Ibimirim, 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 Ibimirim, 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 |
|---|---|---|---|
| 7° 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 Ibimirim, 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 Ibimirim, 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 Ibimirim, Brazil
Topographical Features of the Ibimirim Region
The landscape around Ibimirim in Brazil's Pernambuco state is characterized by gently rolling hills and elevated plains that form part of the broader Caatinga region. This semi-arid territory sits at approximately 400 to 500 meters above sea level, creating a moderately elevated plateau that extends across much of the interior. The terrain consists primarily of weathered crystalline rock formations that have been shaped over millennia into smooth, undulating surfaces with gradual slopes and wide valleys. The region features scattered low mountain ranges and isolated hills called "inselbergs" that rise above the surrounding plains. These rocky outcrops, while visually striking, occupy relatively small portions of the overall landscape. Between these elevated features lie extensive flat to gently sloping areas that stretch for kilometers with minimal interruption. Vegetation in this semi-arid zone remains sparse, consisting mainly of drought-resistant shrubs, cacti, and small thorny trees typical of the Caatinga biome. During dry periods, much of the natural vegetation becomes dormant, leaving large expanses of open ground with excellent visibility and minimal shading.Optimal Areas for Large-Scale Solar Development
The most suitable locations for extensive solar photovoltaic installations would be the broad, gently sloping plains that dominate the landscape south and southwest of Ibimirim. These areas offer several key advantages including relatively flat terrain that minimizes grading and construction costs, while still providing sufficient slope for natural drainage and optimal panel positioning. The elevated plateau regions extending toward the southeast present another excellent opportunity for solar development. These areas combine favorable topography with consistent elevation that reduces the risk of flooding while maintaining accessibility for construction and maintenance equipment. The stable geological foundation of crystalline bedrock provides excellent support for large-scale installations. Areas immediately surrounding the scattered inselbergs and rocky outcrops should generally be avoided due to irregular terrain and potential shading issues. Similarly, the steeper slopes of hills and the narrow valley bottoms between elevated areas would present construction challenges and suboptimal solar exposure. The western approaches to Ibimirim feature particularly promising terrain, with extensive flat areas that experience minimal obstruction from natural features. These locations benefit from stable soil conditions and gentle gradients that facilitate both construction access and long-term maintenance operations. The sparse vegetation in these areas also means minimal environmental clearing would be required for development projects.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 13th of July 2025
Last Updated: Wednesday 6th 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.




