Cezarina, Goiás, Brazil represents a highly favorable location for year-round solar photovoltaic energy generation. Located in the tropics at coordinates -17.1182, -49.7299, this region benefits from consistent sunlight throughout the year, with seasonal variations characterized more by wet and dry periods rather than dramatic changes in solar availability.

Solar Energy Production Performance

The solar energy output at Cezarina demonstrates excellent consistency across all seasons. Summer delivers the highest production at 6.63 kWh per day per kW of installed solar capacity, while winter shows the lowest output at 5.75 kWh per day per kW. Spring and autumn fall between these values at 6.31 kWh and 5.96 kWh respectively. This relatively small seasonal variation of less than 1 kWh per day between peak and minimum production makes Cezarina an ideal location for solar installations. The consistently high output throughout the year means property owners and businesses can rely on stable solar energy generation regardless of the season. For fixed panel installations at this location, the optimal tilt angle to maximize total year-round solar production is 17 degrees facing North. This angle is calculated by analyzing daily solar elevation angles, determining optimal panel positioning, and weighting these factors using solar irradiance data while accounting for Earth's elliptical orbit.

Environmental and Weather Challenges

Despite the excellent solar potential, several local factors could impact solar panel performance in Cezarina:

• Heavy rainfall during wet season: Intense tropical rains can reduce solar output and may cause water damage if systems aren't properly sealed
• High humidity levels: Persistent moisture can lead to corrosion of electrical components and reduced panel efficiency
• Dust accumulation during dry season: Fine particles can coat panel surfaces, significantly reducing energy production
• Extreme heat: High temperatures can decrease panel efficiency and stress electrical components

Preventative Installation Measures

To maximize solar energy production in Cezarina's tropical climate, several installation strategies should be implemented: Proper waterproofing and drainage systems are essential to handle heavy rainfall. All electrical connections should use marine-grade materials and waterproof enclosures. Installing panels with adequate spacing allows for proper drainage and prevents water pooling. Regular cleaning schedules become crucial during the dry season when dust accumulation peaks. Installing panels at the optimal 17-degree tilt helps with natural cleaning during rains while maintaining maximum energy output. Enhanced ventilation behind panels helps combat the efficiency losses from extreme heat. Using mounting systems that allow airflow beneath the panels keeps them cooler and more productive. Selecting panels and inverters rated for high-temperature operation ensures reliable performance in tropical conditions. Anti-corrosion treatments on all metal components extend system lifespan in the humid environment. With proper installation techniques addressing these environmental factors, Cezarina offers exceptional potential for consistent, year-round solar energy generation that significantly outperforms many locations worldwide.

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 Cezarina

Seasonal solar PV output for Latitude: -17.1182, Longitude: -49.7299 (Cezarina, 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 17° North in Cezarina, Brazil

To maximize your solar PV system's energy output in Cezarina, Brazil (Lat/Long -17.1182, -49.7299) throughout the year, you should tilt your panels at an angle of 17° 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 Cezarina, 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 Cezarina, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 17° North tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
1° North in Summer	23° North in Autumn	33° North in Winter	11° 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 Cezarina, 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 Cezarina, 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 Cezarina, Brazil

Topography and Terrain

Cezarina is situated in the central region of Brazil, within the state of Goiás, positioned on the vast Brazilian Plateau. The surrounding landscape is characterized by gently rolling hills and relatively flat terrain typical of the Cerrado biome. This region sits at a moderate elevation, generally ranging between 700 to 900 meters above sea level, creating a stable foundation for large-scale infrastructure development. The topography around Cezarina features predominantly gentle slopes with gradual elevation changes across the landscape. The terrain is interspersed with shallow valleys and low ridges, but lacks the dramatic elevation variations found in mountainous regions. This relatively uniform topography creates favorable conditions for construction and maintenance of extensive solar installations, as the land requires minimal grading and earthwork preparation.

Geological and Soil Characteristics

The underlying geology consists primarily of sedimentary rocks and weathered crystalline formations common to the Brazilian Shield. The soils in this region are typically well-drained lateritic soils, which provide stable foundations for heavy infrastructure while allowing proper water drainage during the rainy season. These soil conditions reduce concerns about waterlogging or unstable ground that could affect solar panel mounting systems. The area experiences distinct wet and dry seasons, with the dry season providing extended periods of clear skies and minimal precipitation. During the wet season, the well-draining soils and gentle topography help prevent erosion and flooding issues that could damage solar installations.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for large-scale solar photovoltaic installations around Cezarina would be the broad, gently sloping plateaus and mesa-like formations that extend across the region. These areas offer several advantages including consistent south-facing exposures, minimal shading from topographical features, and relatively flat surfaces that reduce installation costs and complexity. The elevated plains to the southeast and southwest of Cezarina present particularly attractive opportunities for solar development. These areas combine favorable topography with good accessibility via existing road networks. The gentle southward-facing slopes in these regions would be ideal for optimizing solar panel orientation while maintaining efficient drainage patterns. Areas with slopes between 0 to 5 degrees are most desirable, as they provide adequate drainage without requiring extensive terracing or specialized mounting systems. The broad ridgetops and plateau surfaces scattered throughout the region offer large contiguous areas suitable for utility-scale solar farms, with minimal environmental disruption to sensitive valley ecosystems. The relatively open landscape with sparse tree cover in many areas reduces the need for extensive land clearing, while the stable geological conditions minimize foundation requirements. Access to existing transmission infrastructure and transportation corridors further enhances the viability of solar development in the flatter, more accessible portions of the surrounding 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.