Marquinho, Paraná, Brazil, located in the Southern Sub Tropics, shows strong potential for year-round solar energy generation with some seasonal variations that are typical for this geographic region.

Seasonal Solar Performance

The solar energy output at this location demonstrates a clear seasonal pattern that follows the Southern Hemisphere's weather cycles. Summer delivers the highest energy production at 6.95 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 with 6.09 kWh per day per kW, while autumn drops to 5.32 kWh per day per kW. Winter naturally shows the lowest output at 4.04 kWh per day per kW, though this figure still represents reasonable solar production compared to many locations worldwide. The optimal times for solar energy generation at Marquinho are clearly during the warmer months of October through March, with December and January likely representing peak production periods.

Optimal Panel Installation

For maximum year-round solar energy production at this location, fixed solar panels should be tilted at 22 degrees facing North. This angle has been calculated to optimize total annual energy output by accounting for the sun's varying position throughout the year and weighting for the strongest solar irradiance periods.

Environmental and Weather Factors

Several local factors could potentially impact solar energy production at Marquinho and warrant consideration during installation planning. The subtropical climate brings significant rainfall during summer months, which coincides with peak solar production season. While rain can temporarily reduce solar output, it also provides a natural cleaning effect for solar panels. However, extended periods of heavy cloud cover during thunderstorms can cause notable production dips. High humidity levels common in subtropical regions can lead to increased dust and organic matter accumulation on panel surfaces. Additionally, the warm, moist conditions may accelerate the growth of algae, lichen, or other biological materials on panels if not properly maintained.

Preventative Installation Measures

To maximize energy production despite these challenges, several installation strategies should be considered:

• Install panels with adequate spacing and ventilation to prevent moisture buildup and allow for proper air circulation
• Use mounting systems that facilitate easy access for regular cleaning and maintenance
• Consider anti-reflective coatings that also have self-cleaning properties to reduce biological growth
• Ensure proper drainage around panel installations to prevent standing water that could increase humidity and pest issues
• Plan for regular cleaning schedules, particularly before and during peak production seasons

The location's consistent year-round solar production, even during winter months, makes Marquinho a favorable site for solar energy investment, provided that proper installation and maintenance practices account for the subtropical environmental conditions.

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 Marquinho

Seasonal solar PV output for Latitude: -25.1026, Longitude: -52.2542 (Marquinho, 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 Marquinho, Brazil

To maximize your solar PV system's energy output in Marquinho, Brazil (Lat/Long -25.1026, -52.2542) 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 Marquinho, 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 Marquinho, 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
9° North in Summer	31° North in Autumn	40° North in Winter	18° 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 Marquinho, 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 Marquinho, 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 Marquinho, Brazil

Topographical Features Around Marquinho

Marquinho is situated in the western region of Paraná state, Brazil, within a landscape characterized by gently rolling hills and broad valleys typical of the Paraná Plateau. The terrain around this small municipality features relatively modest elevation changes, with the land gradually undulating across the agricultural heartland of southern Brazil. The area sits at a moderate elevation above sea level, contributing to its temperate subtropical climate and well-drained soils.

The topography is dominated by sedimentary rock formations that have been weathered over millions of years, creating a landscape of gentle slopes and wide, open spaces. The region forms part of the larger Paraná Basin, where ancient lava flows have created fertile soils that support extensive agricultural activities. Small streams and tributaries flow through the valleys, eventually feeding into larger river systems that drain toward the Paraná River.

The surrounding countryside is characterized by expansive farmland with minimal forest cover, having been largely converted to agricultural use over the past century. The terrain features long, sweeping vistas with few significant topographical obstacles, creating an environment where the horizon often stretches uninterrupted for considerable distances.

Optimal Areas for Large-Scale Solar Development

The gentle topography around Marquinho presents excellent opportunities for large-scale solar photovoltaic installations. The most suitable areas would be the broad, flat to gently sloping agricultural lands that extend in all directions from the municipality. These areas offer the advantage of minimal grading requirements and reduced construction costs compared to more challenging terrain.

The southern and southeastern exposures of the rolling hills would be particularly well-suited for solar arrays, as these slopes naturally orient toward optimal sun angles throughout the day. The gradual inclines provide natural drainage while maintaining accessibility for construction equipment and ongoing maintenance operations.

Areas with existing agricultural infrastructure, including access roads and electrical transmission connections, would offer additional advantages for solar development. The open farmland provides ample space for large installations without the need for extensive land clearing or environmental remediation. The relatively stable geology of the region, built on sedimentary foundations, would support the installation of ground-mounted solar systems with standard foundation techniques.

The western plains extending from Marquinho toward neighboring municipalities present some of the most promising locations, offering vast expanses of gently undulating terrain with minimal shading from trees or structures. These areas benefit from consistent wind patterns that help keep solar panels cool and efficient, while the open landscape ensures minimal obstruction of solar irradiance throughout the day.

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.