Ortigueira, Paraná, Brazil, located in the Southern Sub Tropics at coordinates -24.1272, -51.0007, presents a moderately favorable location for year-round solar energy generation, though with notable seasonal variations that potential solar installers should carefully consider.

Seasonal Solar Performance

The solar energy output at this location varies significantly throughout the year. Summer delivers the strongest performance at 6.90 kWh per day per kW of installed solar capacity, making it the peak season for solar generation. Spring follows as the second-best performing season at 6.04 kWh per day per kW, while autumn drops to 5.31 kWh per day per kW. Winter presents the most challenging conditions with only 4.23 kWh per day per kW of installed capacity. This seasonal pattern means that solar systems in Ortigueira will generate approximately 63% more electricity during peak summer months compared to the lowest-producing winter period. The ideal times for solar generation are clearly during the warmer months from September through March, when the location receives its strongest solar irradiance.

Optimal Panel Configuration

For fixed panel installations at this location, the ideal angle to tilt panels to maximize total year-round production is 22 degrees North. This angle is calculated by analyzing daily solar elevation angles at the latitude, determining optimal panel tilt angles, and weighting these angles by daily photovoltaic potential using solar irradiance data while accounting for Earth's elliptical orbit.

Environmental and Weather Challenges

Several local factors could potentially impede solar production in Ortigueira and require careful consideration during installation planning. The subtropical location means the area experiences high humidity levels and frequent rainfall, particularly during summer months when solar production is at its peak. This creates a challenging situation where the best solar production season coincides with weather conditions that can reduce panel efficiency and create maintenance issues. Heavy rainfall and storms common in subtropical regions can lead to several problems. Water accumulation on panels reduces light transmission, while frequent moisture exposure can accelerate corrosion of mounting hardware and electrical connections. Additionally, severe weather events including strong winds and hail pose risks to panel integrity. The high humidity environment also promotes faster accumulation of organic matter such as moss, algae, and other biological growth on panel surfaces, which can significantly reduce energy output over time.

Preventative Installation Measures

Several strategic measures can help maximize solar energy production despite these environmental challenges:

• Install panels with adequate tilt and spacing to promote rapid water runoff and prevent standing water accumulation
• Use marine-grade or stainless steel mounting hardware specifically designed to resist corrosion in high-humidity environments
• Ensure all electrical connections are properly sealed with weatherproof enclosures rated for tropical conditions
• Design mounting systems to withstand higher wind loads typical of the region's storm patterns
• Implement regular cleaning schedules to remove biological growth and debris accumulation

Proper system design should also include enhanced drainage around ground-mounted systems and careful attention to ventilation behind panels to reduce heat buildup and moisture retention. While Ortigueira offers reasonable solar potential, successful installations require thoughtful planning to address the unique challenges of its subtropical climate.

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 Ortigueira

Seasonal solar PV output for Latitude: -24.1272, Longitude: -51.0007 (Ortigueira, 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 22° North in Ortigueira, Brazil

To maximize your solar PV system's energy output in Ortigueira, Brazil (Lat/Long -24.1272, -51.0007) throughout the year, you should tilt your panels at an angle of 22° 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 Ortigueira, 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 Ortigueira, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 22° 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	30° North in Autumn	40° 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 Ortigueira, 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 Ortigueira, 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 Ortigueira, Brazil

Topography Around Ortigueira

The region surrounding Ortigueira in Brazil is characterized by a diverse and generally favorable landscape for large-scale energy projects. This area sits within the state of Paraná, positioned in a transitional zone between the coastal Atlantic Forest region and the interior plateau. The terrain features rolling hills and gentle slopes rather than steep mountainous formations, creating a topography that is both accessible and developable.

The elevation in this region gradually rises from east to west, with the immediate surroundings of Ortigueira sitting at moderate elevations that provide good drainage while avoiding the challenges associated with high-altitude installations. The landscape is punctuated by river valleys and streams that flow toward the Atlantic Ocean, creating a network of waterways that have shaped the gentle undulating terrain over millennia.

Much of the original Atlantic Forest vegetation has been cleared for agricultural use, particularly cattle ranching and crop cultivation. This land conversion has created extensive open areas with relatively flat to gently sloping terrain that could potentially accommodate large solar installations. The soil composition in many areas consists of well-drained sediments and weathered bedrock that can provide stable foundations for solar infrastructure.

Optimal Areas for Large-Scale Solar Development

The most promising locations for large-scale solar photovoltaic installations would be found on the broader plateaus and gentle hillsides that extend to the west and southwest of Ortigueira. These areas offer several advantages including relatively flat terrain that minimizes grading requirements, good accessibility via existing rural road networks, and sufficient distance from environmentally sensitive areas.

The agricultural lands that have been used for cattle grazing present particularly attractive opportunities, as these areas typically feature minimal vegetation, stable soil conditions, and existing infrastructure access. The gentle slopes in these regions, typically ranging from nearly flat to moderate inclines, would allow for optimal solar panel orientation while facilitating construction and maintenance activities.

Areas to the north and northwest of the town center appear especially well-suited due to their combination of favorable topography and existing land use patterns. These locations benefit from being positioned on higher ground that ensures good drainage during the rainy season while maintaining reasonable access to existing electrical transmission infrastructure. The relatively open landscape in these directions also minimizes concerns about shading from surrounding vegetation or structures.

When considering site selection, the river valleys and areas with steeper slopes would be less suitable due to potential flooding risks, challenging construction conditions, and possible environmental restrictions. The most viable locations would be those elevated areas with gentle gradients that allow for efficient panel layout while maintaining practical access for construction equipment and ongoing maintenance operations.

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.