São José, Brazil, located in the tropical region at coordinates -19.8212, -55.8512, presents a generally favorable location for year-round solar photovoltaic energy generation, though with some seasonal variations that potential solar installers should understand.

Seasonal Solar Performance

The location experiences its strongest solar energy production during summer months, generating 6.64 kWh per day per kW of installed solar capacity. Spring follows as the second-best performing season at 6.21 kWh/day per kW, while autumn drops to 5.77 kWh/day per kW. Winter represents the lowest production period at 4.86 kWh/day per kW of installed capacity. Despite winter being the weakest season, the location maintains reasonably consistent solar output throughout the year, with winter production still reaching about 73% of peak summer levels. This consistency makes São José suitable for year-round solar energy generation, particularly during the summer and spring months when production peaks.

Optimal Panel Installation

For fixed panel installations at this São José location, the ideal tilt angle to maximize total year-round solar production is 18 degrees facing north. This angle has been calculated by analyzing daily solar elevation angles, optimal panel positioning, and weighting these factors against actual solar irradiance data throughout the year.

Environmental and Weather Challenges

Several local factors could potentially impact solar energy production at this tropical Brazilian location:

• Seasonal rainfall patterns: Being in the tropics, São José likely experiences distinct wet and dry seasons, with heavy rainfall during wet periods potentially reducing solar irradiance through cloud cover
• High humidity levels: Tropical climates typically maintain elevated humidity, which can create haze and reduce solar panel efficiency
• Dust and debris accumulation: During dry seasons, dust buildup on panels can significantly reduce energy output
• Vegetation growth: The tropical climate promotes rapid plant growth that could create shading issues if not properly managed

Preventative Measures for Optimal Performance

To maximize solar energy production despite these environmental challenges, several installation and maintenance strategies prove effective:

• Regular cleaning schedules: Implement monthly panel cleaning during dry seasons and bi-weekly cleaning during dusty periods
• Proper drainage design: Install panels with adequate tilt and spacing to allow rainwater to naturally clean surfaces while preventing water pooling
• Vegetation management: Maintain clear zones around solar installations and trim nearby trees regularly to prevent shading
• Quality mounting systems: Use corrosion-resistant materials designed for tropical climates to withstand high humidity and occasional severe weather
• Monitoring systems: Install performance monitoring to quickly identify when panels need cleaning or maintenance

Overall, São José represents a solid location for solar PV installation, with the tropical climate providing consistent sunlight availability year-round, though proper installation practices and regular maintenance will be essential for optimal energy production.

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 São José, Mato Grosso do Sul

Seasonal solar PV output for Latitude: -19.8212, Longitude: -55.8512 (São José, Mato Grosso do Sul, 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 18° North in São José, Mato Grosso do Sul, Brazil

To maximize your solar PV system's energy output in São José, Mato Grosso do Sul, Brazil (Lat/Long -19.8212, -55.8512) throughout the year, you should tilt your panels at an angle of 18° 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 São José, Mato Grosso do Sul, 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 São José, Mato Grosso do Sul, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 18° North tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
4° North in Summer	25° North in Autumn	35° North in Winter	14° 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 São José, Mato Grosso do Sul, 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 São José, Mato Grosso do Sul, 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 São José, Mato Grosso do Sul, Brazil

Topographical Features Around São José

The region surrounding São José in Brazil sits within the expansive Pantanal wetlands and the transitional zone leading into the Cerrado savanna. This area is characterized by relatively flat terrain with gentle undulating plains that extend across much of the landscape. The elevation remains fairly consistent throughout the region, creating a predominantly level topography that stretches toward the horizon with minimal dramatic elevation changes. The landscape features a mix of seasonal wetlands, grasslands, and scattered patches of gallery forest along waterways. During certain periods of the year, portions of the terrain experience flooding as part of the natural Pantanal cycle, creating temporary lakes and marshlands. The soil composition varies from sandy areas to clay-rich zones, with some regions containing limestone formations beneath the surface. Rolling hills occasionally break the otherwise flat expanse, though these elevations are generally modest. The terrain gradually transitions from the wetter Pantanal characteristics in some directions to the drier Cerrado savanna in others, creating diverse microclimates and vegetation patterns across the broader region.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for extensive solar photovoltaic installations would be the elevated areas that remain consistently dry throughout the year. These higher elevations, while still relatively modest compared to mountainous regions, provide crucial advantages by staying above the seasonal flood zones that characterize much of the Pantanal. Areas with sandy or well-draining soils present ideal conditions for solar infrastructure, as they reduce concerns about waterlogging and provide stable foundations for mounting systems. The transitional zones moving toward the Cerrado savanna offer particularly promising conditions, combining the benefits of level terrain with reduced flood risk and more predictable ground conditions. Locations with existing road access or proximity to transportation corridors would be prioritized for development, as the flat topography makes construction and maintenance relatively straightforward once access is established. The gentle slopes found in some areas can actually be beneficial for solar installations, as they provide natural drainage while maintaining the ease of construction associated with relatively level ground. The key consideration for site selection involves identifying areas that combine the region's naturally flat terrain with elevation sufficient to avoid seasonal flooding, while maintaining proximity to existing infrastructure for grid connection and logistical support.

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.