Solar Energy Potential in Ipubi, Pernambuco, Brazil
Ipubi, Pernambuco, Brazil, located at latitude -7.3929, longitude -40.243, presents a promising location for solar energy production throughout the year. Situated in the tropics, this northeastern Brazilian municipality benefits from consistent sunlight patterns that make it particularly suitable for photovoltaic (PV) solar installations. The seasonal energy production data reveals impressive generation potential across all seasons. Spring stands out as the most productive period, with an expected output of 7.15 kWh per day for each kilowatt of installed solar capacity. Winter follows with 6.32 kWh/day, then autumn with 5.87 kWh/day, and summer with 5.50 kWh/day per kilowatt installed. This seasonal pattern is somewhat contrary to what many might expect, with winter and spring outperforming summer in solar generation. This pattern likely reflects the local tropical climate dynamics, where the "winter" months may feature clearer skies and less cloud cover than the summer months, which might coincide with the regional rainy season.Optimal Panel Positioning
For fixed solar panel installations in Ipubi, Pernambuco, the ideal tilt angle to maximize year-round energy production is 8 degrees facing North. This relatively shallow angle reflects Ipubi's proximity to the equator, where the sun passes nearly overhead throughout much of the year. This optimal angle ensures panels capture maximum sunlight across seasons while accounting for the Earth's elliptical orbit and the site's specific latitude.Potential Challenges and Mitigation Strategies
Several environmental factors could potentially impact solar production in Ipubi:- Dust accumulation: The semi-arid climate of Brazil's northeastern region can lead to significant dust buildup on panels, reducing efficiency. Regular cleaning schedules and possibly automated cleaning systems would be beneficial.
- Seasonal rainfall: During the wet season, increased cloud cover may temporarily reduce solar output. System sizing should account for these seasonal variations to ensure consistent energy supply.
- High temperatures: Excessive heat can reduce PV panel efficiency. Ensuring adequate airflow beneath panels and using temperature-resistant components can help mitigate this effect.
- Potential for drought: Extended dry periods may increase dust and reduce cleaning water availability. Rainwater harvesting systems and water-efficient cleaning methods could be considered.
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 Ipubi
Seasonal solar PV output for Latitude: -7.3929, Longitude: -40.243 (Ipubi, 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 Ipubi, Brazil
To maximize your solar PV system's energy output in Ipubi, Brazil (Lat/Long -7.3929, -40.243) 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 Ipubi, 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 Ipubi, 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 |
|---|---|---|---|
| 9° South in Summer | 14° North in Autumn | 23° 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 Ipubi, 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 Ipubi, 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 Ipubi, Brazil
The topography around Ipubi, Brazil presents a distinct landscape characteristic of Brazil's northeastern interior. Located in the state of Pernambuco, Ipubi sits within the broader Araripe Plateau region, which is characterized by relatively flat-topped elevations interspersed with gently rolling terrain. The area generally has moderate elevation, with the town itself positioned at approximately 450-500 meters above sea level. The surrounding landscape features a mix of undulating plains and occasional plateaus, with some areas displaying more pronounced relief. The Chapada do Araripe, a prominent geological formation in the region, extends to the north and west of Ipubi, creating a distinctive tabletop mountain landscape that rises above the surrounding areas. This plateau formation influences both the local climate and drainage patterns.
Terrain Characteristics
The terrain around Ipubi is predominantly semi-arid, typical of Brazil's Caatinga biome. The landscape exhibits moderate slopes in many areas, with some sections featuring more pronounced gradients where the plateau edges meet lower-lying areas. Seasonal watercourses cut through the terrain, creating shallow valleys that become more pronounced during rainy periods. The soil composition varies across the region, with areas of rocky outcrops interspersed with sections of sandy and clay-rich soils. Vegetation is typically sparse and adapted to drought conditions, consisting primarily of thorny shrubs, cacti, and drought-resistant trees that form a relatively open canopy across much of the landscape.Solar PV Suitability
For large-scale solar photovoltaic (PV) installations, several areas near Ipubi present favorable conditions. The most suitable locations would be found on the flatter portions of the terrain, particularly on the gently sloping plains that extend to the south and east of the town. These areas benefit from minimal shading, good drainage, and relatively easy access for construction and maintenance. The elevated portions of the Araripe Plateau also offer potential for solar development, particularly along its southern edges where the terrain levels out. These higher elevation sites may benefit from slightly cooler temperatures compared to lower-lying areas, which can improve PV panel efficiency. Areas to potentially avoid include the more rugged sections with pronounced slopes, particularly along the northern escarpments of the Chapada do Araripe, as these would require significant terrain modification. Similarly, locations with seasonal flooding or poor drainage characteristics would present challenges for infrastructure development and maintenance.Accessibility Considerations
Access to potential solar sites is facilitated by a network of roads connecting Ipubi to neighboring communities and regional centers. The PE-585 highway provides a primary transportation corridor through the area, with secondary and tertiary roads branching outward. The relatively developed transportation infrastructure in the region would support the logistics required for large-scale solar development. The terrain's moderate relief in many areas means that road construction or improvement for solar facility access would generally not face major topographical obstacles, particularly in the flatter regions to the south and east of Ipubi. This accessibility factor further enhances the suitability of these areas for large-scale solar PV development.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: Friday 1st 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.




