Solar Energy Potential in Sombrio, Santa Catarina, Brazil

Sombrio, Santa Catarina, Brazil, located in the Southern Sub Tropics at latitude -29.0846 and longitude -49.6894, offers varying potential for solar PV energy generation throughout the year. This coastal location experiences distinct seasonal patterns in solar energy production. The energy output from solar panels in Sombrio follows a predictable seasonal cycle. During summer months, production reaches its peak at 6.96kWh per day for each kilowatt of installed capacity. Spring follows as the second most productive season with 5.75kWh/day, while autumn yields 4.53kWh/day. Winter shows the lowest production at 3.25kWh/day per kilowatt installed.

Seasonal Variations and Optimal Installation

The substantial difference between summer and winter production (more than double) indicates that Sombrio experiences significant seasonal variation in solar potential. This pattern is typical for locations in the Southern Sub Tropics, where the sun's angle varies considerably throughout the year. For fixed panel installations in Sombrio, Santa Catarina, the ideal tilt angle to maximize year-round production is 25 degrees facing North. This specific angle has been calculated by analyzing daily solar elevation patterns at this latitude, weighted by the potential daily PV output based on NASA's solar irradiance data.

Environmental Considerations

Several environmental factors should be considered when installing solar PV systems in Sombrio:

• Coastal humidity and salt spray can accelerate corrosion of solar equipment and reduce panel efficiency over time
• Occasional intense summer thunderstorms may include hail, posing a risk to panel integrity
• Winter fog in coastal areas can temporarily reduce production during morning hours

To mitigate these challenges, installations should include corrosion-resistant mounting hardware, marine-grade components, and panels with tempered glass that can withstand hail impact. Regular cleaning to remove salt deposits is also recommended to maintain optimal performance.

Year-Round Viability

Despite the seasonal variations, Sombrio remains a viable location for solar energy throughout the year. The annual average daily production of approximately 5.12kWh per kilowatt installed makes solar PV a worthwhile investment. The greatest returns will naturally come during the summer months of December through February, followed by the spring period of September through November. Even during the less productive winter months (June through August), the location still generates a reasonable 3.25kWh/day, which is sufficient to offset a significant portion of typical household energy consumption.

Note: The Southern Sub Tropics extend from -23.5° latitude South down to -35° latitude.

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 Sombrio

Seasonal solar PV output for Latitude: -29.0846, Longitude: -49.6894 (Sombrio, 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 25° North in Sombrio, Brazil

To maximize your solar PV system's energy output in Sombrio, Brazil (Lat/Long -29.0846, -49.6894) throughout the year, you should tilt your panels at an angle of 25° 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 Sombrio, 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 Sombrio, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 25° North tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
13° North in Summer	35° North in Autumn	45° North in Winter	22° 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 Sombrio, 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 Sombrio, 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 Sombrio, Brazil

Sombrio is located in the southernmost part of Santa Catarina state in Brazil, positioned near the Atlantic coast. The topography of this region presents a diverse landscape that transitions from coastal plains to more elevated terrain moving inland.

Coastal Plains and Transition Zone

The eastern portion of Sombrio features relatively flat coastal plains, characteristic of much of Brazil's southern Atlantic coast. This area has elevations generally below 20 meters above sea level and extends several kilometers inland from the shoreline. The terrain is predominantly composed of sandy soils and sedimentary deposits formed over thousands of years of oceanic and river interactions. Moving slightly inland, the landscape begins a gentle transition into rolling hills. This intermediate zone features gradually increasing elevations between 20-100 meters, with modest slopes that create a softly undulating landscape. Small streams and seasonal waterways cut through these areas, creating minor valleys and drainage patterns.

Interior Highlands

Further west from Sombrio, the topography becomes more pronounced as it approaches the foothills of the Serra Geral mountain range. This area shows elevations climbing above 100 meters with increasingly steeper slopes. The terrain becomes more rugged with prominent hills, deeper valleys, and more substantial changes in elevation over shorter distances. The geological foundation of the region consists primarily of basaltic rock formations from ancient volcanic activity, overlaid with various soil types depending on the specific location and elevation. These formations are part of the larger Paraná Basin geological structure.

Solar PV Suitability

For large-scale solar photovoltaic installations, several areas near Sombrio offer favorable conditions: The gently rolling inland plains situated 5-15 kilometers west of the town center present perhaps the most promising locations. These areas combine adequate elevation (40-80 meters) with relatively flat or modestly sloping terrain that receives consistent solar exposure. The higher elevation compared to the immediate coastal areas also means less exposure to coastal fog and humidity. The transitional highlands between the coastal plains and the steeper mountain foothills also offer good potential. These areas, particularly on south-facing slopes (in the Southern Hemisphere, north-facing slopes receive more direct sunlight), provide natural inclination that can optimize panel positioning without requiring extensive land modification. Several plateau-like formations in the western portions of the municipality, where the topography levels out before rising again toward the Serra Geral mountains, offer extensive flat areas at higher elevations. These locations benefit from clearer atmospheric conditions and less vegetation obstruction than lower-lying areas. Areas to avoid would include the immediate coastal zone, where salt spray and higher humidity levels could impact equipment longevity, and the steepest portions of the highlands, where installation would require significant and costly terrain modification. The region's hydrological features should also be considered, as seasonal waterways and drainage patterns could affect installation stability and maintenance requirements. The moderate slopes of the transition zone generally provide good natural drainage while still offering sufficiently level ground for efficient array configuration.

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!

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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.