Sete Quedas, Mato Grosso do Sul, Brazil is located in the Southern Sub Tropics and offers reasonably good conditions for year-round solar energy generation, though with notable seasonal variations that potential solar installers should understand.

Seasonal Solar Performance

The solar energy output at this location shows a clear seasonal pattern. Summer delivers the highest production at 7.06 kWh per day per kW of installed solar capacity, making it the peak season for solar generation. Spring follows as the second-best season with 6.26 kWh per day per kW, while autumn produces 5.45 kWh per day per kW. Winter represents the lowest production period at 4.13 kWh per day per kW. This seasonal variation means that solar installations will generate about 71% more electricity in summer compared to winter. The best months for solar production are during the summer and spring seasons, while winter requires more reliance on battery storage or grid connection to meet consistent energy needs.

Optimal Panel Installation

For maximum year-round solar production at Sete Quedas, Mato Grosso do Sul, fixed solar panels should be tilted at 21 degrees toward the north. This angle has been calculated to optimize total annual energy output by accounting for the sun's changing position throughout the year and the location's specific latitude.

Local Factors Affecting Solar Production

Several environmental and weather factors in this region can impact solar energy generation:

• Seasonal rainfall patterns: The Southern Sub Tropics experience distinct wet and dry seasons, with heavy rainfall potentially reducing solar output during certain months
• Humidity and cloud cover: High humidity levels can create more frequent cloud formation, blocking direct sunlight
• Dust and debris accumulation: Dry periods can lead to dust buildup on panels, reducing their efficiency
• Temperature effects: While solar panels need sunlight, extremely high temperatures can actually reduce their efficiency

Preventative Measures for Better Performance

To maximize solar energy production despite these challenges, several installation strategies can help: Regular cleaning schedules become essential, particularly during dry seasons when dust accumulation is highest. Installing panels with adequate spacing allows for better air circulation, helping to keep temperatures manageable and improving efficiency. Choosing panels with good low-light performance can help maintain production during cloudy or overcast conditions common in subtropical climates. Additionally, installing micro-inverters or power optimizers can help minimize the impact when individual panels are partially shaded or dirty. Proper drainage around the installation site prevents water pooling during heavy rains, while selecting corrosion-resistant mounting hardware ensures long-term durability in the humid subtropical environment. Overall, Sete Quedas offers decent solar potential year-round, though the significant seasonal variation and subtropical climate conditions require thoughtful planning and maintenance to achieve optimal results.

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 Sete Quedas

Seasonal solar PV output for Latitude: -23.8542, Longitude: -54.9798 (Sete Quedas, 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 21° North in Sete Quedas, Brazil

To maximize your solar PV system's energy output in Sete Quedas, Brazil (Lat/Long -23.8542, -54.9798) throughout the year, you should tilt your panels at an angle of 21° 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 Sete Quedas, 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 Sete Quedas, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 21° North tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
8° North in Summer	29° North in Autumn	39° North in Winter	17° 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 Sete Quedas, 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 Sete Quedas, 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 Sete Quedas, Brazil

Topographical Features of Sete Quedas Region

The area surrounding Sete Quedas in Brazil presents a predominantly flat to gently rolling landscape characteristic of the western Paraná state region. This location sits within the expansive Paraná Plateau, which forms part of the larger Brazilian Highlands geological formation. The terrain consists primarily of sedimentary rock layers that have been weathered over millions of years, creating relatively stable ground conditions with gradual elevation changes. The immediate vicinity features elevations ranging from approximately 400 to 500 meters above sea level, with most of the surrounding countryside displaying gentle undulations rather than steep slopes or dramatic elevation changes. These modest topographical variations create natural drainage patterns that flow westward toward the Paraná River system, which forms the international border with Paraguay located roughly 25 kilometers to the west.

Land Use and Terrain Characteristics

The landscape around Sete Quedas has been extensively modified for agricultural purposes, with vast expanses of fertile farmland dominating the visual horizon. The original Atlantic Forest vegetation that once covered this region has been largely replaced by cultivated fields, creating an open environment with minimal natural obstacles to solar radiation. The terrain's gentle nature means that most areas require little to no grading or extensive site preparation for large-scale development projects. Seasonal flooding is generally not a significant concern in this elevated plateau region, as the well-drained soils and gentle slopes facilitate natural water runoff. The area experiences a subtropical climate with distinct wet and dry seasons, but the topographical features help prevent water accumulation that could impact ground-mounted installations.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for extensive solar photovoltaic installations would be found on the broad, relatively flat agricultural lands that extend in all directions from Sete Quedas. The areas to the north and east of the municipality offer particularly favorable conditions, where the terrain remains consistently level across large contiguous parcels of land. These zones benefit from minimal shading obstacles and provide the space necessary for utility-scale solar farms. The gently sloping areas facing south could also prove advantageous for solar installations, as the natural terrain angle could complement optimal panel positioning without requiring extensive racking modifications. The western approaches toward the Paraná River valley maintain suitable topographical conditions, though proximity to the international border may present additional regulatory considerations for large-scale development. Areas with the most development potential typically feature elevations between 420 and 470 meters, where the landscape achieves an ideal balance between adequate drainage and minimal slope variation. The extensive agricultural plains surrounding the municipality provide numerous opportunities for solar development, particularly where existing land use patterns have already created large, unobstructed parcels suitable for utility-scale installations.

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.