Londrina, Paraná, Brazil, located at -23.3128, -51.1596, offers a favorable setting for solar PV energy generation throughout the year. Being situated in the tropics, this location benefits from relatively consistent sunlight patterns, though with seasonal variations in energy output.

Seasonal Solar Production

Solar panels in Londrina demonstrate varying performance across the seasons. Summer is the most productive period, generating approximately 6.89kWh per day for each kilowatt of installed capacity. Spring follows closely with 6.07kWh/day, while autumn produces a moderate 5.43kWh/day. Winter shows the lowest output at 4.40kWh/day per installed kilowatt.

This seasonal pattern indicates that Londrina maintains decent solar production year-round, with only a moderate drop during winter months. The difference between the highest and lowest producing seasons is approximately 36%, which is less dramatic than locations at higher latitudes where winter production can fall by 70-80% compared to summer.

Optimal Panel Positioning

For fixed solar panel installations in Londrina, Paraná, the ideal tilt angle to maximize year-round energy production is 21 degrees facing North. This specific angle has been calculated by analyzing daily solar elevation patterns at this latitude, weighted by the solar irradiance potential throughout the year.

Environmental and Weather Considerations

Several factors in Londrina may affect solar energy production:

• Seasonal rainfall: The region experiences a distinct wet season, typically during summer months, which can temporarily reduce solar output due to cloud cover.
• Dust and pollution: Agricultural activities around Londrina can generate dust that settles on panels, potentially reducing efficiency.
• High temperatures: Summer temperatures can exceed 30°C, which may slightly reduce panel efficiency as photovoltaic cells typically lose efficiency when overheating.

Preventative Measures

To optimize solar production in Londrina's specific conditions, several preventative measures can be implemented:

• Regular cleaning schedule: Implementing quarterly panel cleaning, with additional cleaning during the dry season when dust accumulation is higher.
• Elevated mounting: Installing panels with sufficient ground clearance to allow airflow underneath, helping to cool the panels naturally.
• Quality inverters: Using inverters designed to perform well in high-temperature conditions typical of tropical climates.
• Weather-resistant components: Selecting components with high humidity and UV resistance ratings to withstand the tropical climate.

Overall, Londrina presents a very good location for solar energy generation, with relatively consistent production throughout the year and manageable seasonal variations. With proper installation techniques and maintenance, solar PV systems in this location can provide reliable renewable energy with strong year-round performance.

Note: The Tropics are located between 23.5° North and -23.5° South of the equator.

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 Londrina

Seasonal solar PV output for Latitude: -23.3128, Longitude: -51.1596 (Londrina, 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 Londrina, Brazil

To maximize your solar PV system's energy output in Londrina, Brazil (Lat/Long -23.3128, -51.1596) 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 Londrina, 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 Londrina, 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
7° North in Summer	29° North in Autumn	39° North in Winter	16° 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 Londrina, 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 Londrina, 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 Londrina, Brazil

The city of Londrina is situated in the northern part of the state of Paraná in southern Brazil. The topography around Londrina is characterized by gently rolling hills and plateaus, typical of the transition zone between the Atlantic Plateau and the Paraná River basin. The region sits at an average elevation of approximately 610 meters above sea level, with variations ranging from about 400 to 700 meters across the surrounding landscape. The terrain around Londrina features what geographers call "half orange" hills (meias-laranjas), which are rounded, dome-shaped elevations that create a rolling landscape pattern. These hills are interspersed with valleys carved by numerous streams and small rivers, creating a moderately undulating terrain rather than steep mountainous features. The Tibagi River, one of the major waterways in the region, flows to the east of the city and has influenced the topographical development of the surrounding areas.

Soil and Geological Characteristics

The region is notable for its distinctive dark red soil, known locally as "terra roxa" (purple earth), which is derived from basaltic rock weathering. This soil type is highly fertile and has historically supported the region's agricultural development, particularly coffee cultivation which drove Londrina's early economic growth. The underlying geology consists primarily of basaltic formations from the Serra Geral Formation, part of the larger Paraná Basin.

Vegetation and Land Use

Originally covered by the Atlantic Forest (Mata Atlântica), much of the natural vegetation around Londrina has been cleared for agriculture and urban development. Today, the landscape is dominated by agricultural fields, with patches of secondary forest and riparian vegetation along waterways. The transition from dense forest to agricultural land has significantly altered the natural topography, though the fundamental geological structures remain unchanged.

Potential Areas for Solar PV Development

For large-scale solar photovoltaic installations, the areas most suitable around Londrina would be the relatively flat plateaus and gently sloping hillsides, particularly those with northern exposure (in the Southern Hemisphere, north-facing slopes receive more solar radiation). The rural areas to the west and northwest of Londrina offer promising topographical conditions for solar development, with open expanses of land that currently support agricultural activities but could be repurposed or dual-purposed for solar energy generation. The regions between Londrina and neighboring municipalities such as Cambé, Ibiporã, and Rolândia feature extensive agricultural plateaus with minimal slope variations, making them technically suitable for large solar arrays. These areas benefit from the relatively uniform elevation, which minimizes shading issues and simplifies construction challenges. Areas to avoid would include the more steeply incised valleys around water courses, particularly along the Tibagi River and its tributaries, where terrain irregularities would complicate installation and potentially create shading problems. Additionally, any remaining fragments of native forest would be environmentally sensitive and should be preserved rather than developed. The southwestern periphery of the metropolitan region, extending toward the municipalities of Arapongas and Apucarana, also presents favorable topography for solar development, with extended areas of gently rolling terrain that receive consistent solar exposure throughout the day. These areas have good accessibility via the existing road network, which would facilitate construction and maintenance of solar facilities. When considering specific sites, local microtopography becomes important - even within generally suitable areas, small-scale variations in slope and aspect can significantly impact the efficiency of solar installations. Detailed site surveys would be necessary to identify the optimal locations within these broadly suitable regions.

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.