Solar Energy Potential in Salete, Santa Catarina, Brazil

Salete, Santa Catarina, Brazil, located in the Southern Sub Tropics at coordinates -26.9368, -50.0008, offers moderate to good conditions for solar PV energy generation, with significant seasonal variations throughout the year. The solar energy production potential in Salete follows a predictable seasonal pattern. Summer is the most productive season, generating approximately 6.11kWh per day for each kilowatt of installed solar capacity. Spring follows as the second most productive season with 4.95kWh/day, while autumn produces about 4.51kWh/day. Winter shows the lowest production at 3.43kWh/day per kW installed.

Seasonal Performance

The considerable difference between summer and winter production (nearly 44% reduction in winter) indicates that Salete experiences significant seasonal variations. This pattern is typical for locations in the Southern Sub Tropics, where the sun's position changes substantially throughout the year. For maximum year-round energy production from a fixed panel installation in Salete, Santa Catarina, the ideal tilt angle is 24 degrees facing North. This angle optimizes the annual solar energy capture by balancing seasonal variations in the sun's position.

Environmental and Weather Considerations

Several factors could potentially impact solar production in Salete:

• Cloud cover and rainfall: The region experiences a humid subtropical climate with rainfall distributed throughout the year, which can temporarily reduce solar output.
• Morning fog: Common in valley areas of Southern Brazil, potentially delaying peak production until mid-morning.
• Dust and pollen: Agricultural activities in the region may contribute to panel soiling.

To maximize energy production despite these challenges, several preventative measures can be implemented:

Optimization Strategies

Installing panels with the recommended 24-degree northward tilt will optimize year-round production. Consider semi-annual cleaning schedules to address dust and pollen accumulation, particularly before summer to maximize output during the most productive season. A monitoring system can help track performance and identify when cleaning or maintenance is needed. For new installations, microinverters or power optimizers might help mitigate partial shading issues common in areas with scattered cloud cover. Overall, while Salete isn't ideal for solar production year-round due to its winter performance dip, it still offers good solar potential, especially during summer and spring months when energy demand for cooling may be higher.

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 Salete

Seasonal solar PV output for Latitude: -26.9368, Longitude: -50.0008 (Salete, 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 24° North in Salete, Brazil

To maximize your solar PV system's energy output in Salete, Brazil (Lat/Long -26.9368, -50.0008) throughout the year, you should tilt your panels at an angle of 24° 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 Salete, 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 Salete, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 24° North tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
11° North in Summer	33° North in Autumn	42° North in Winter	20° 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 Salete, 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 Salete, 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 Salete, Brazil

The topography around Salete, Brazil presents a diverse landscape characterized by rolling hills, valleys, and plateaus typical of the southern Brazilian highlands. Located in the state of Santa Catarina, Salete sits within a region where the terrain gradually transitions from the coastal lowlands in the east to the more elevated interior plateaus. The immediate vicinity of Salete features moderately undulating terrain with elevations ranging between approximately 400 to 700 meters above sea level. The area is crossed by various small rivers and streams that have carved shallow valleys throughout the landscape. The Rio Itajaí do Oeste, one of the main watercourses in the region, influences the local topography by creating wider river valleys.

Surrounding Terrain Features

To the west and northwest of Salete, the landscape becomes more rugged as it approaches the foothills of the Serra Geral mountain range. These areas show more pronounced elevation changes and steeper slopes. The eastern and southeastern directions feature gentler terrain with broader plateaus and more gradual inclines. The natural vegetation of this region historically consisted of Atlantic Forest (Mata Atlântica), though much has been converted to agricultural land and pasture over generations of settlement. The remaining forested areas tend to be concentrated on steeper slopes and along watercourses.

Optimal Areas for Solar PV Development

For large-scale solar photovoltaic installations, the most suitable areas near Salete would be the gently sloping plateaus and elevated flatlands primarily located to the east and southeast of the town. These areas offer several advantages: The more level terrain in these directions provides larger continuous spaces that would require minimal grading and earth-moving operations, significantly reducing installation costs and environmental impact. These plateau regions typically have fewer natural obstacles such as dense forest or steep ravines that would complicate construction and maintenance. Higher elevation areas with southern exposure should generally be avoided as they receive less direct sunlight in the Southern Hemisphere. Instead, north-facing gentle slopes at elevations between 450-600 meters offer optimal conditions, balancing good solar exposure with reasonable accessibility. The plateaus approximately 5-15 kilometers east of Salete present particularly favorable conditions, with sufficient elevation to avoid morning fog that sometimes forms in the river valleys, while maintaining proximity to existing road infrastructure and power transmission lines. These areas also tend to have already been partially cleared for agriculture, potentially simplifying land acquisition and permitting processes. Areas to avoid would include the steeper western slopes, riparian zones along the rivers, and any protected forest remnants, as these present both practical challenges for construction and potential environmental conflicts.

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.