Capanema, Paraná, Brazil, situated in the Southern Sub Tropics, offers relatively favorable conditions for solar PV energy generation throughout the year, though with notable seasonal variations. This location experiences its strongest solar production during summer months, with a substantial drop during winter.

Seasonal Solar Production

The solar energy potential in Capanema follows a predictable seasonal pattern. Summer months yield the highest energy output at 7.02kWh per day for each kW of installed capacity. Spring follows as the second most productive season with 6.11kWh/day, while autumn produces 5.30kWh/day. Winter shows the most significant decrease, generating only 3.96kWh/day per kW installed.

This seasonal variation means that a solar system in Capanema will produce nearly 77% more energy during summer compared to winter months. The annual cycle creates a predictable pattern where December through February offer peak production opportunities, while June through August require supplementary energy sources for consistent power needs.

Optimal Installation Approach

For fixed panel installations in Capanema, Paraná, the ideal tilt angle to maximize year-round solar production is 23 degrees facing North. This specific angle optimizes annual energy harvest by balancing seasonal sun positions throughout the year.

Environmental Considerations

Several environmental factors could potentially impact solar production in Capanema:

• Seasonal rainfall: The region experiences a rainy season that can temporarily reduce solar efficiency through cloud cover and panel soiling.
• Dust accumulation: Agricultural activities in the surrounding areas may contribute to dust that can gradually decrease panel efficiency if not regularly cleaned.
• Occasional fog: Morning fog patterns in some seasons can delay peak production hours.

To mitigate these challenges, solar installations in Capanema would benefit from regular cleaning schedules, particularly before and after rainy seasons. Self-cleaning panel technologies or installations with sufficient tilt to promote natural cleaning during rainfall can also help maintain efficiency. Additionally, incorporating weather-resistant components designed for subtropical conditions will extend system longevity.

Overall, Capanema offers good solar potential with predictable seasonal variations that can be effectively managed through proper system design and maintenance practices.

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 Capanema

Seasonal solar PV output for Latitude: -25.6156, Longitude: -53.7957 (Capanema, 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 23° North in Capanema, Brazil

To maximize your solar PV system's energy output in Capanema, Brazil (Lat/Long -25.6156, -53.7957) throughout the year, you should tilt your panels at an angle of 23° 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 Capanema, 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 Capanema, Brazil. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 23° North tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
10° North in Summer	31° North in Autumn	41° 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 Capanema, 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 Capanema, 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 Capanema, Brazil

The terrain surrounding Capanema in southwestern Paraná state, Brazil, presents a diverse topographical profile typical of the region's transition between the Third Paraná Plateau and the Iguaçu River basin. The landscape is characterized by gently rolling hills interspersed with more pronounced elevations, creating a moderately undulating terrain pattern. The elevation in this region generally ranges between 300 and 600 meters above sea level, with Capanema itself situated at approximately 368 meters. The area features a network of river valleys, with the Iguaçu River forming a significant natural boundary to the south, where Brazil borders Argentina. These waterways have carved shallow valleys through the predominantly basaltic bedrock, creating occasional steeper slopes amid the otherwise rolling countryside. The fertile terra roxa soils derived from this basaltic foundation support extensive agricultural development throughout the region. Vegetation in the vicinity has been substantially modified from its original Atlantic Forest composition, with much of the land converted to agricultural use. Remaining natural vegetation tends to be concentrated along water courses and in protected areas, while the majority of the landscape is dedicated to crop cultivation, particularly soybeans, corn, and wheat.

Solar PV Suitability Analysis

For large-scale solar photovoltaic development, the most suitable areas near Capanema would be found on the broader, flatter hilltops and plateaus that characterize portions of the landscape. These elevated, level areas offer several advantages for solar installation: The moderately elevated plateaus to the north and northeast of Capanema present particularly favorable conditions. These areas combine relatively flat terrain with good drainage characteristics, minimizing flood risk while providing expansive spaces that could accommodate large solar arrays with minimal earthworks requirements. Less suitable areas include the steeper river valleys, especially those closer to the Iguaçu River and its tributaries. These locations present challenges related to slope stability, increased shading potential, and more complex construction requirements. Additionally, areas with remaining native forest vegetation should be avoided for environmental conservation reasons. Agricultural productivity should be considered when evaluating potential sites. The region's highly productive agricultural land represents a competing land use, so optimal solar development might target less agriculturally productive zones while preserving prime farmland. The gently sloping terrain between major agricultural areas and steeper valleys often provides this balance. The northwestern areas of the municipality, where the topography tends to flatten somewhat, may offer particularly promising opportunities for solar development. These areas typically receive consistent solar radiation while presenting fewer topographical challenges for construction and maintenance of large-scale installations. Local microclimatic factors, including fog patterns in river valleys and wind exposure on ridgelines, should be evaluated at specific candidate sites to optimize placement within the broader suitable areas identified through topographical analysis.

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.