Ibiara, Paraíba, Brazil represents an excellent location for year-round solar photovoltaic energy generation. Located in the tropical region at coordinates -7.4825, -38.3805, this area benefits from consistent sunlight throughout most of the year, with seasonal variations characterized more by wet and dry periods rather than dramatic changes in solar availability.
Solar Energy Production Potential
The solar energy output data for Ibiara demonstrates strong and consistent performance across all seasons. Winter produces the lowest output at 6.03 kWh per day per installed kW, while summer and autumn maintain robust production levels at 6.28 kWh and 6.13 kWh respectively. Spring emerges as the optimal season, delivering an impressive 7.43 kWh per day per installed kW. This seasonal pattern makes Ibiara particularly attractive for solar installations, as even the lowest-producing season still generates substantial energy. The relatively small variation between seasons (approximately 23% difference between winter and spring) ensures reliable year-round power generation.Optimal Installation Configuration
For fixed solar panel installations in Ibiara, Paraíba, the ideal tilt angle is 7 degrees facing North. This angle has been calculated to maximize total annual solar production by accounting for the sun's path throughout the year, Earth's elliptical orbit, and weighted daily solar potential using NASA irradiance data.Environmental and Weather Considerations
Several local factors could potentially impact solar production efficiency in this tropical location:- Heavy rainfall during wet seasons - Can reduce solar irradiance and create temporary shading
- High humidity levels - May cause moisture-related equipment issues and reduce panel efficiency
- Dust and debris accumulation - Particularly during dry seasons when wind carries more particulate matter
- Tropical storms - Potential for severe weather events that could damage installations
Preventative Measures for Optimal Performance
To maximize energy production and system longevity in Ibiara's tropical environment, several installation strategies should be implemented:- Enhanced drainage systems - Install proper water management around panel arrays to prevent pooling and flooding
- Corrosion-resistant materials - Use marine-grade aluminum frames and stainless steel mounting hardware to withstand high humidity
- Regular cleaning schedules - Implement frequent panel washing, especially during dust-heavy dry periods
- Robust mounting systems - Design installations to withstand tropical storm conditions with reinforced anchoring
- Adequate ventilation - Ensure proper airflow beneath panels to reduce heat buildup and moisture retention
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 Ibiara
Seasonal solar PV output for Latitude: -7.4825, Longitude: -38.3805 (Ibiara, 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 Ibiara, Brazil
To maximize your solar PV system's energy output in Ibiara, Brazil (Lat/Long -7.4825, -38.3805) 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 Ibiara, 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 Ibiara, 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 | 13° North in Autumn | 23° North in Winter | 1° 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 Ibiara, 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 Ibiara, 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 Ibiara, Brazil
Topographical Features of the Ibiara Region
The area surrounding Ibiara in Paraíba state, Brazil, is characterized by the distinctive landscape of the Caatinga region within the Brazilian Northeast. This semi-arid territory features a gently undulating terrain with elevations typically ranging from 400 to 800 meters above sea level. The topography consists primarily of low hills, shallow valleys, and expansive plateaus that create a relatively accessible landscape for development projects. The region sits within the Borborema Plateau, an ancient geological formation that provides stable ground conditions. Rolling hills dominate the immediate vicinity, interspersed with flatter areas that offer excellent potential for large-scale installations. The terrain generally slopes gradually, avoiding the steep gradients that would complicate construction and maintenance activities. Seasonal water courses, known locally as intermittent streams, cut through the landscape creating shallow depressions and small valleys. These features typically remain dry for much of the year, reflecting the semi-arid climate conditions. The soil composition includes weathered crystalline rocks and sedimentary deposits, providing firm foundations suitable for supporting substantial infrastructure.Optimal Areas for Large-Scale Solar Development
The most promising locations for extensive solar photovoltaic installations lie on the elevated plateaus and gentle slopes found throughout the region. These areas offer several advantages including stable geological conditions, minimal vegetation density, and excellent accessibility for construction equipment and ongoing maintenance operations. The flatter elevated areas, particularly those situated on the broader hilltops and plateau surfaces, present ideal conditions for solar arrays. These locations provide consistent ground conditions while avoiding the complications associated with steep terrain or flood-prone valleys. The firm bedrock underlying much of the region ensures stable foundations for mounting systems and supporting infrastructure. Areas with southern and southeastern exposures on gentle slopes can be particularly advantageous, as they allow for optimal panel orientation while maintaining reasonable construction costs. The relatively sparse vegetation typical of the Caatinga ecosystem means that land preparation requirements are generally minimal compared to more densely forested regions. Transportation infrastructure accessibility represents another crucial factor in site selection. Areas within reasonable proximity to existing roads and electrical transmission infrastructure offer significant advantages for project development. The region's network of rural roads provides access to many suitable locations, though some sites may require infrastructure improvements to support large-scale development activities.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 6th 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.




