Lapa, Paraná, Brazil, located in the Southern Sub Tropics at coordinates -25.7916, -49.8729, offers a promising location for solar PV energy generation throughout the year. The seasonal variations in electricity output provide insights into the potential for solar power production in this area.

Seasonal Solar Performance

Summer stands out as the most productive season, with an impressive 6.17 kWh per day for each kilowatt of installed solar capacity. Spring follows as the second-best season, generating 5.04 kWh/day. Autumn sees a slight decrease in output at 4.48 kWh/day, while winter experiences the lowest production at 3.64 kWh/day per kW installed.

These figures indicate that Lapa enjoys favorable conditions for solar energy generation throughout the year, with particularly strong performance during the summer and spring months. Even during the less productive winter season, the output remains substantial enough to contribute significantly to energy needs.

Optimal Panel Installation

For fixed panel installations in Lapa, Paraná, the ideal tilt angle to maximize year-round solar production is 23 degrees North. This angle optimizes the panels' exposure to sunlight across all seasons, balancing the varying sun positions throughout the year.

Environmental Considerations

While Lapa generally offers good conditions for solar energy production, there are a few environmental factors to consider:

• Rainfall: The region experiences relatively high precipitation, which could temporarily reduce solar panel efficiency. Installing panels with good drainage and using water-resistant materials can mitigate this issue.
• Cloud cover: Occasional cloud cover, especially during the rainy season, may impact solar output. Utilizing high-efficiency panels and incorporating energy storage solutions can help maintain consistent energy supply.

Despite these factors, the overall climate in Lapa remains conducive to solar energy production. By implementing appropriate installation techniques and choosing suitable equipment, these potential challenges can be effectively managed, ensuring optimal solar energy generation throughout the year.

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 Lapa

Seasonal solar PV output for Latitude: -25.7916, Longitude: -49.8729 (Lapa, 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 Lapa, Brazil

To maximize your solar PV system's energy output in Lapa, Brazil (Lat/Long -25.7916, -49.8729) 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 Lapa, 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 Lapa, 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	32° North in Autumn	41° North in Winter	19° 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 Lapa, 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 Lapa, 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 Lapa, Brazil

The topography around Lapa, Brazil, located at latitude -25.7916 and longitude -49.8729, is characterized by a diverse landscape that combines rolling hills, plateaus, and river valleys. This region, situated in the state of Paraná, is part of the larger Brazilian Highlands, which dominate much of the country's southeastern interior. The area surrounding Lapa features gently undulating terrain, with elevations typically ranging from 800 to 1,000 meters above sea level. The landscape is punctuated by occasional higher peaks and ridges, some of which may reach heights of up to 1,200 meters. These elevated areas are often covered in native Atlantic Forest vegetation, though much of the original forest cover has been cleared for agriculture and urban development. Rivers and streams crisscross the region, carving out shallow valleys and creating a network of waterways that drain towards the Atlantic Ocean. The Rio Negro, a significant river in the area, flows near Lapa and contributes to the local topography by forming wider floodplains in some sections.

Potential for Large-scale Solar PV

When considering areas nearby that would be most suited to large-scale solar photovoltaic (PV) installations, several factors come into play. The ideal locations for solar farms in this region would typically be: Flat or gently sloping areas with good sun exposure are prime candidates for solar PV development. The plateaus and less steep hillsides around Lapa offer potential sites that could accommodate large arrays of solar panels without requiring extensive land modification. Areas with minimal forest cover or those already cleared for agriculture might be suitable, as they would require less environmental disruption. Many of the open fields and pastures in the region could be repurposed for solar energy production. Locations near existing power infrastructure would be advantageous for connecting new solar installations to the grid. Areas close to major roads or transmission lines could reduce the costs associated with energy distribution. It's important to note that while the topography around Lapa generally favors solar PV development, specific site selection would require detailed environmental and technical assessments. Factors such as local climate patterns, soil stability, and proximity to protected areas or wildlife corridors would need to be carefully considered to ensure the sustainability and efficiency of any large-scale solar project in the region.

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!

Citation Guide

Article Details for Citation

Tell Us About Your Work

We love seeing how our research helps others! If you've cited this article in your work, we'd be delighted to hear about it. Drop us a line via our Contact Us page or on X, to share where you've used our information - we may feature a link to your work on our site. This helps create a network of valuable resources for others in the solar energy community and helps us understand how our research is contributing to the field. Plus, we occasionally highlight exceptional works that reference our research on our social media channels.

Feeling generous?

Share this with your friends!

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.