Guaraciaba do Norte, Brazil represents an excellent location for year-round solar energy generation. Located in the tropical region at coordinates -4.2184, -40.8451, this area benefits from consistent sunlight throughout the year, with seasons characterized more by wet and dry periods rather than significant variations in solar availability.
Solar Energy Production Performance
The solar energy output at this location shows impressive consistency across all seasons. Summer produces 5.71 kWh per day per kW of installed solar capacity, while autumn slightly improves to 5.85 kWh/day. Winter performance increases further to 6.09 kWh/day, and spring delivers the highest output at 6.83 kWh/day per kW installed. This seasonal pattern indicates that spring represents the optimal time for solar generation at Guaraciaba do Norte, followed by winter. The relatively high performance during these months makes this location particularly attractive for solar installations, as even the lowest-producing season (summer) still delivers substantial energy output.Optimal Panel Configuration
For fixed panel installations at this location, the ideal tilt angle to maximize total year-round solar production is 4 degrees North. This relatively shallow angle reflects the location's proximity to the equator and helps capture optimal solar irradiance throughout the year.Environmental and Weather Considerations
Several local factors could potentially impact solar production efficiency at Guaraciaba do Norte:- Heavy rainfall during wet seasons can reduce solar output and create debris accumulation on panels
- High humidity levels may affect electrical components and connections
- Dust and particulate matter during dry periods can coat panel surfaces
- Intense tropical heat may reduce panel efficiency despite abundant sunlight
Preventative Measures for Optimal Performance
To maximize energy production and system longevity, several installation strategies should be considered:- Install panels with adequate ventilation spacing to prevent overheating and maintain efficiency
- Use corrosion-resistant mounting systems and electrical components rated for high-humidity environments
- Implement regular cleaning schedules, particularly during dry seasons when dust accumulation is highest
- Ensure proper drainage around installations to prevent water pooling during heavy rains
- Select inverters and electrical components with appropriate temperature ratings for tropical conditions
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 Guaraciaba Do Norte
Seasonal solar PV output for Latitude: -4.2184, Longitude: -40.8451 (Guaraciaba Do Norte, 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 4° North in Guaraciaba Do Norte, Brazil
To maximize your solar PV system's energy output in Guaraciaba Do Norte, Brazil (Lat/Long -4.2184, -40.8451) throughout the year, you should tilt your panels at an angle of 4° 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 Guaraciaba Do Norte, 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 Guaraciaba Do Norte, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 4° North tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 12° South in Summer | 11° North in Autumn | 20° North in Winter | 1° South 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 Guaraciaba Do Norte, 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 Guaraciaba Do Norte, 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 Guaraciaba Do Norte, Brazil
Topographical Features of Guaraciaba do Norte
Guaraciaba do Norte sits in the state of CearĂ¡ in northeastern Brazil, positioned within a landscape characterized by rolling hills and elevated terrain typical of the Serra da Ibiapaba mountain range. This region forms part of the broader Brazilian Highlands, where the topography transitions from the coastal lowlands to more elevated interior plateaus. The municipality occupies terrain that generally ranges from moderate elevations to higher ridgelines, creating a varied landscape of slopes, valleys, and elevated flat areas.
The immediate surroundings feature a mix of undulating terrain with some steeper gradients along ridge lines and valley edges. Much of the area displays the characteristic features of the Caatinga biome transitioning into Atlantic Forest remnants at higher elevations, where the increased altitude creates slightly different climatic conditions. The terrain includes both natural vegetation areas and cleared agricultural lands, with coffee cultivation being particularly prominent on the hillsides due to the favorable elevation and climate conditions.
Water Features and Drainage Patterns
The region's drainage patterns follow the natural topographical contours, with several streams and seasonal watercourses flowing through valleys between the hills. These waterways generally flow in a northwesterly direction toward larger river systems that eventually reach the Atlantic Ocean. The presence of these water features creates additional topographical variation, with creek beds and small valleys cutting through the landscape and creating natural boundaries between elevated areas.
During the wet season, these drainage patterns become more pronounced, though the region's position within the semi-arid climate zone means that many smaller watercourses remain seasonal. The interaction between the elevated terrain and precipitation patterns creates distinct wet and dry zones across the landscape, influencing both natural vegetation patterns and agricultural land use.
Optimal Areas for Large-Scale Solar Development
The most suitable locations for large-scale solar photovoltaic installations around Guaraciaba do Norte would be the elevated plateau areas and gently sloping hillsides that face generally southward. These areas combine several favorable characteristics including relatively stable terrain, good accessibility for construction and maintenance, and optimal solar exposure throughout the day. The higher elevation areas also benefit from clearer atmospheric conditions and reduced humidity compared to lower-lying regions.
Particular attention should be given to the flatter elevated areas that have already been cleared for agricultural use, as these locations would require minimal additional site preparation while offering excellent solar access. The rolling hills provide natural windbreaks that can help protect solar installations, while the elevation ensures good drainage during the wet season. Areas with gentle slopes of less than ten degrees would be ideal, as they allow for efficient panel installation while still providing some natural drainage.
The northeastern and eastern facing slopes should generally be avoided for large installations, as these orientations would reduce overall energy production efficiency. Similarly, areas within the immediate vicinity of watercourses or in natural drainage channels would present challenges for both construction and long-term operation. The most promising locations appear to be the cleared agricultural areas on the higher elevations and south-facing slopes, where the combination of topography, accessibility, and solar exposure creates optimal conditions for large-scale photovoltaic 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: Monday 14th 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.
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Calculate Your Optimal Solar Panel Tilt Angle: A Comprehensive Guide
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