Belo Jardim, Pernambuco, Brazil represents an excellent location for year-round solar photovoltaic energy generation. Located in the tropics at coordinates -8.2767, -36.4253, this area benefits from consistent sunlight throughout most of the year, with seasons characterized more by wet and dry periods rather than dramatic temperature variations.
Solar Energy Production Potential
The solar energy output data for Belo Jardim shows strong performance across all seasons. Spring emerges as the most productive season, generating 7.22 kWh per day per kW of installed solar capacity. Summer follows closely with 6.56 kWh/day per kW, while autumn produces 5.81 kWh/day per kW. Even during the least productive season of winter, the location still generates a respectable 5.01 kWh/day per kW. This seasonal variation of approximately 44% between the highest and lowest production periods is relatively modest compared to many other global locations, making Belo Jardim highly suitable for consistent solar energy generation throughout the year.Optimal Installation Configuration
For fixed panel installations at this location, the ideal tilt angle to maximize total year-round solar production is 7 degrees facing North. This relatively shallow angle reflects the location's proximity to the equator, where the sun maintains a high position in the sky throughout the year.Environmental and Weather Challenges
Several local factors could potentially impact solar production efficiency in Belo Jardim:Seasonal Rainfall and Humidity
The tropical climate brings distinct wet and dry seasons, with the wet season potentially causing several issues. High humidity levels can reduce solar panel efficiency, while frequent rainfall during certain months may temporarily decrease energy output due to cloud cover and reduced solar irradiance.Dust and Particulate Accumulation
During dry seasons, dust accumulation on solar panels can significantly reduce their efficiency. The semi-arid characteristics of the region, combined with agricultural activities common in rural Brazilian areas, can lead to substantial dust buildup on panel surfaces.High Temperatures
Tropical temperatures, while providing abundant sunshine, can actually reduce solar panel efficiency. Most photovoltaic panels lose efficiency as temperatures rise above their optimal operating range, typically around 25°C (77°F).Preventative Measures for Optimal Performance
Several strategies can help maximize solar energy production despite these environmental challenges:- Regular cleaning schedules: Implement systematic panel cleaning, particularly during dry seasons when dust accumulation is highest
- Proper ventilation design: Install panels with adequate air circulation underneath to reduce operating temperatures
- Quality mounting systems: Use corrosion-resistant materials suitable for humid tropical conditions
- Automated monitoring systems: Deploy performance monitoring to quickly identify efficiency drops due to environmental factors
Additional Installation Considerations
Installing panels with anti-reflective coatings can help maintain efficiency during humid conditions. Choosing panels with better temperature coefficients will minimize efficiency losses during hot periods. Additionally, incorporating slight tilting beyond the optimal 7 degrees may help with natural rain-washing of panels during wet seasons, though this should be balanced against the potential reduction in optimal sun exposure. The consistent solar resource availability throughout the year, combined with proper installation techniques and maintenance practices, makes Belo Jardim a highly favorable location for solar photovoltaic energy generation despite the tropical environmental challenges.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 Belo Jardim
Seasonal solar PV output for Latitude: -8.2767, Longitude: -36.4253 (Belo Jardim, 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 Belo Jardim, Brazil
To maximize your solar PV system's energy output in Belo Jardim, Brazil (Lat/Long -8.2767, -36.4253) 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 Belo Jardim, 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 Belo Jardim, 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 Belo Jardim, 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 Belo Jardim, 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 Belo Jardim, Brazil
Topographical Features Around Belo Jardim
Belo Jardim sits within the Agreste region of Pernambuco state in northeastern Brazil, characterized by a transitional landscape between the humid coastal zone and the semi-arid interior. The terrain around this municipality features a mix of rolling hills, gentle slopes, and relatively flat areas that create an undulating topography typical of the Brazilian highlands. The elevation in the region varies considerably, with the town itself positioned at a moderate altitude that provides natural drainage and varied microclimates. The landscape is dominated by the Borborema Plateau, an ancient geological formation that extends across much of the region. This plateau creates a series of elevated areas interspersed with valleys and depressions, resulting in a mosaic of different elevations and slope orientations. The terrain generally slopes from higher elevations in the interior toward lower areas, creating natural water flow patterns that have shaped the local geography over millennia. Rocky outcrops and exposed granite formations are common throughout the area, reflecting the underlying geological structure of the Brazilian Shield. These formations create distinctive landmarks and influence local drainage patterns, while also affecting soil depth and agricultural potential in different areas. The presence of these rock formations means that some areas have shallow soils, while others feature deeper, more fertile deposits in valley bottoms and gentler slopes.Optimal Areas for Large-Scale Solar Development
The most suitable locations for large-scale solar photovoltaic installations around Belo Jardim would be the relatively flat to gently sloping areas that characterize much of the surrounding countryside. These areas offer the best combination of accessibility, minimal grading requirements, and efficient land use for solar panel arrays. The gentle slopes that face south or southeast would be particularly advantageous, as they naturally optimize panel orientation for maximum solar exposure throughout the day. Areas with minimal vegetation and lower agricultural value present the most practical opportunities for solar development. The region's semi-arid characteristics mean that much of the surrounding land consists of caatinga vegetation, which is less dense than tropical forests and easier to clear if necessary. However, areas that are already cleared or have sparse vegetation would require minimal environmental disruption for solar installations. The elevated areas of the Borborema Plateau, while offering excellent solar exposure due to their height, may present challenges in terms of access and construction costs. Conversely, the gentler terrain found in the transitional zones between hills and valleys often provides the ideal compromise between accessibility and solar potential. These areas typically have adequate elevation to avoid potential flooding issues while maintaining reasonable access for construction and maintenance vehicles. Areas with good proximity to existing electrical infrastructure would be particularly valuable for large-scale solar development. The relatively open terrain around Belo Jardim allows for easier transmission line construction compared to more mountainous regions, making it feasible to connect solar installations to the regional power grid. The combination of suitable topography, good solar exposure potential, and reasonable infrastructure access makes the region around Belo Jardim well-positioned for significant solar energy 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 30th of June 2025
Last Updated: Tuesday 5th 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.




