Quixeramobim, Ceará, Brazil represents an excellent location for year-round solar photovoltaic energy generation. Located in the tropical region at coordinates -5.1357, -39.3457, this area benefits from consistent sunlight throughout most of the year, with seasons characterized more by wet and dry periods rather than significant temperature variations.

Solar Energy Production Performance

The solar energy output data for Quixeramobim shows strong and consistent performance across all seasons. Summer produces 5.80 kWh per day per kW of installed solar capacity, while autumn increases slightly to 6.05 kWh/day. Winter performance improves further to 6.20 kWh/day, and spring delivers the highest output at 7.00 kWh/day per kW of installed capacity. Spring emerges as the optimal season for solar generation at this location, producing approximately 21% more energy than the lowest-performing summer season. The relatively small variation between seasons (only 1.2 kWh difference between highest and lowest) demonstrates the location's reliability for consistent solar energy production throughout the year. For fixed panel installations at Quixeramobim, Ceará, the ideal tilt angle to maximize total year-round solar production is 5 degrees North. This shallow angle reflects the location's proximity to the equator and helps optimize solar collection across all seasons.

Environmental and Weather Factors

Several environmental factors in Quixeramobim could potentially impact solar energy production and require consideration during installation planning. The tropical climate brings distinct wet and dry seasons, with the wet season potentially reducing solar output due to increased cloud cover and frequent rainfall. During these periods, accumulated dust and debris on solar panels can be washed away naturally, but excessive moisture and humidity may affect electrical components if not properly protected. Dust accumulation presents a significant concern during the dry season, as the semi-arid characteristics of the region can lead to substantial dust buildup on panel surfaces. This accumulation can reduce light transmission and decrease energy output considerably if left unaddressed. High temperatures, while beneficial for solar irradiance, can actually reduce photovoltaic efficiency. Solar panels typically lose efficiency as temperatures rise above their optimal operating range, which could impact performance during the hottest periods.

Preventative Measures and Installation Recommendations

To maximize solar energy production in Quixeramobim's climate, several preventative measures should be implemented:

• Install panels with adequate ventilation spacing to promote air circulation and reduce operating temperatures
• Implement regular cleaning schedules, particularly during dry seasons, to remove dust accumulation
• Use weather-resistant mounting systems and electrical components rated for high humidity and temperature variations
• Consider automated cleaning systems or easy-access designs for maintenance in larger installations
• Install proper drainage systems to prevent water accumulation around panel mounting areas

The electrical components should be housed in weatherproof enclosures with appropriate IP ratings to protect against moisture ingress during the wet season. Additionally, using panels and inverters specifically rated for tropical climates will ensure better long-term performance and reliability. Despite these environmental considerations, Quixeramobim remains highly suitable for solar energy generation. The consistent high solar output throughout the year, combined with proper installation techniques and maintenance practices, makes this location very attractive for both residential and commercial solar projects.

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 Quixeramobim

Seasonal solar PV output for Latitude: -5.1357, Longitude: -39.3457 (Quixeramobim, 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 5° North in Quixeramobim, Brazil

To maximize your solar PV system's energy output in Quixeramobim, Brazil (Lat/Long -5.1357, -39.3457) throughout the year, you should tilt your panels at an angle of 5° 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 Quixeramobim, 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 Quixeramobim, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 5° North tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
11° South in Summer	11° North in Autumn	21° 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 Quixeramobim, 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 Quixeramobim, Brazil.

Our calculation method

1. Solar Position:
   We determine the Sun's position on the Winter solstice using the location's latitude and solar declination.
2. Shadow Projection:
   We calculate the shadow length cast by panels using trigonometry, considering panel tilt and the Sun's elevation angle.
3. 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 Quixeramobim, Brazil

Topographical Features of Quixeramobim

Quixeramobim sits within the semi-arid interior of Ceará state in northeastern Brazil, positioned on the crystalline plateau known as the Borborema Plateau. The surrounding landscape is characterized by gently rolling hills and broad, relatively flat valleys that are typical of the Brazilian caatinga region. Elevations in the immediate area range from approximately 200 to 400 meters above sea level, with the terrain featuring gradual slopes rather than steep inclines.

The region displays classic semi-arid topography, with scattered inselbergs - isolated rocky hills that rise abruptly from the surrounding plains. These granite and gneiss formations create a distinctive landscape of rounded domes and weathered rock outcrops interspersed with flatter sedimentary areas. The terrain between these rocky formations consists of shallow valleys and gentle undulations covered by thin soils over crystalline bedrock.

Drainage patterns in the area are defined by seasonal streams that flow only during the rainy season, creating a network of dry creek beds and small valleys during most of the year. The Quixeramobim River, along with several smaller tributaries, carved these valleys over millennia, leaving behind relatively flat alluvial deposits in some areas.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for extensive solar photovoltaic installations around Quixeramobim would be the broad, gently sloping plains that extend between the rocky inselbergs. These areas offer several advantages including minimal grading requirements, reduced construction costs, and adequate space for large arrays. The sedimentary plains to the south and southeast of the town present particularly favorable conditions with their consistent gentle slopes and stable soil conditions.

The elevated plateau areas, while offering excellent exposure, would be ideal for solar development provided they maintain relatively flat profiles. These higher elevations benefit from consistent wind patterns that help cool solar panels naturally, potentially improving their efficiency. Areas with slopes of less than 5 degrees would be most cost-effective for large-scale installations, minimizing the need for extensive site preparation.

The alluvial valleys, despite their flat terrain, may present some challenges due to seasonal water flow patterns and potentially softer ground conditions. However, the broader valley floors that remain well-drained could still accommodate solar installations with appropriate foundation design. Areas closer to existing infrastructure and transmission lines would obviously provide additional economic advantages for any large-scale solar development.

The rocky inselberg areas themselves would generally be unsuitable for large solar arrays due to their steep slopes and irregular surfaces, though they could potentially serve as locations for meteorological monitoring equipment or transmission infrastructure to support nearby solar installations on more suitable terrain.

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

Tell Us About Your Work

We love seeing how our research helps others! If you've cited this article in your work, we'd be delighted to hear about it. Drop us a line via our Contact Us page or on X, to share where you've used our information - we may feature a link to your work on our site. This helps create a network of valuable resources for others in the solar energy community and helps us understand how our research is contributing to the field. Plus, we occasionally highlight exceptional works that reference our research on our social media channels.

Feeling generous?

Share this with your friends!

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.