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Flag of ArgentinaSolar PV Analysis of Llavallol, Argentina

Graph of hourly avg kWh electricity output per kW of Solar PV installed in Llavallol, Argentina (by season)

Llavallol, Argentina presents a moderately favorable location for year-round solar PV energy generation, though with significant seasonal variations typical of its Southern Sub Tropics climate zone.

Seasonal Solar Performance

The solar energy output at this location shows considerable variation throughout the year. Summer delivers the highest production at 7.79 kWh per day per kW of installed capacity, making it the peak season for solar generation. Spring follows as the second-best performing season with 6.25 kWh per day per kW, while autumn drops to 4.51 kWh per day per kW. Winter presents the most challenging period for solar production, generating only 3.19 kWh per day per kW of installed capacity. This seasonal pattern means that solar installations at Llavallol will produce approximately 2.4 times more energy during peak summer months compared to winter. The shoulder seasons of spring and autumn provide moderate production levels, with spring being particularly productive.

Optimal Installation Configuration

For fixed panel installations at this location, the ideal tilt angle is 30 degrees facing North to maximize total year-round solar production. This angle has been calculated by analyzing daily solar elevation angles, optimal panel positioning, and weighting these factors according to solar irradiance data throughout the year.

Environmental and Weather Challenges

Several local factors can potentially impact solar energy production at Llavallol:
  • Humidity and moisture: The subtropical climate brings high humidity levels, especially during summer months, which can reduce panel efficiency and create condensation issues
  • Dust and particulate matter: Being located in the Buenos Aires metropolitan area, air pollution and dust accumulation on panels can significantly reduce energy output
  • Severe weather events: The region experiences thunderstorms, hail, and strong winds that can damage installations and interrupt production
  • Temperature effects: High summer temperatures can reduce panel efficiency, as solar panels typically lose efficiency as temperatures rise above optimal operating conditions

Preventative Measures for Better Performance

To maximize solar energy production despite these challenges, several installation strategies should be considered:
  • Regular cleaning schedule: Implement frequent panel cleaning to remove dust, pollution residue, and organic matter that accumulates on panel surfaces
  • Adequate ventilation: Install panels with proper air circulation underneath to reduce operating temperatures and improve efficiency
  • Robust mounting systems: Use heavy-duty mounting hardware designed to withstand high winds and potential hail damage
  • Drainage considerations: Ensure proper water drainage around installations to prevent moisture-related issues and standing water
  • Anti-reflective coatings: Consider panels with specialized coatings that maintain performance in high-humidity conditions
Despite these challenges, Llavallol's location offers reasonable solar potential, particularly during the warmer months when energy demand for cooling is typically highest. With proper installation techniques and maintenance practices, solar PV systems can provide reliable renewable energy generation throughout most of the year at this location.

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 519 locations across Argentina. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.

Link: Solar PV potential in Argentina by location

Solar output per kW of installed solar PV by season in Llavallol

Seasonal solar PV output for Latitude: -34.7795, Longitude: -58.4344 (Llavallol, Argentina), 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:

Summer
Average 7.79kWh/day in Summer.
Autumn
Average 4.51kWh/day in Autumn.
Winter
Average 3.19kWh/day in Winter.
Spring
Average 6.25kWh/day in Spring.

 

Ideally tilt fixed solar panels 30° North in Llavallol, Argentina

To maximize your solar PV system's energy output in Llavallol, Argentina (Lat/Long -34.7795, -58.4344) throughout the year, you should tilt your panels at an angle of 30° 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.

The sun
At Latitude: -34.7795, Longitude: -58.4344, the ideal angle to tilt panels is 30° North

Seasonally adjusted solar panel tilt angles for Llavallol, Argentina

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 Llavallol, Argentina. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 30° North tilt angle throughout the year.

Overall Best Summer Angle Overall Best Autumn Angle Overall Best Winter Angle Overall Best Spring Angle
18° North in Summer 40° North in Autumn 49° North in Winter 27° North in Spring

Assuming you can modify the tilt angle of your solar PV panels throughout the year, you can optimize your solar generation in Llavallol, Argentina as follows: In Summer, set the angle of your panels to 18° facing North. In Autumn, tilt panels to 40° facing North for maximum generation. During Winter, adjust your solar panels to a 49° angle towards the North for optimal energy production. Lastly, in Spring, position your panels at a 27° angle facing North to capture the most solar energy in Llavallol, Argentina.

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 Llavallol, Argentina

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 Llavallol, Argentina.

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.






Please enter information above to calculate panel spacing.

Topography for solar PV around Llavallol, Argentina

Topographical Features of Llavallol

Llavallol is situated in the Buenos Aires Province of Argentina, positioned within the expansive Pampas region that characterizes much of the country's central landscape. The area exhibits remarkably flat terrain with minimal elevation changes, typical of the Rio de la Plata basin. This suburban locality sits at a relatively low altitude, forming part of the gentle plains that extend across the greater Buenos Aires metropolitan area. The topography around Llavallol consists primarily of sedimentary deposits that have accumulated over millennia, creating a landscape with subtle undulations rather than dramatic elevation changes. The terrain slopes very gradually toward the Rio de la Plata, with the land featuring gentle rises and depressions that are barely perceptible to casual observation. These minor variations in elevation are primarily the result of ancient river channels and alluvial processes that shaped the region's geological foundation.

Local Geographic Context

The surrounding landscape is characterized by urban and suburban development interspersed with agricultural areas and open spaces. The region benefits from well-drained soils and relatively stable ground conditions, with the underlying geology consisting of clay, silt, and sandy deposits. Small waterways and drainage channels cross the area, though these create only modest changes in the otherwise uniform topography. The climate in this part of Argentina features distinct seasonal variations, with the flat terrain providing minimal natural wind barriers. This open landscape allows for consistent air circulation patterns across the region, while the lack of significant topographical obstacles means that weather systems can move freely across the area.

Optimal Areas for Large-Scale Solar Development

The exceptionally flat topography around Llavallol presents numerous advantages for large-scale solar photovoltaic installations. Areas to the south and southwest of the locality offer particularly favorable conditions, where the terrain remains consistently level across extensive tracts of land. These zones provide the stable, uniform ground conditions essential for mounting large arrays of solar panels without requiring significant site preparation or grading work. The agricultural lands extending westward from Llavallol represent prime candidates for solar development due to their minimal slope variations and existing cleared status. These areas already possess the open character necessary for solar installations while maintaining sufficient distance from dense residential development. The consistent elevation across these plains eliminates concerns about shadowing between panel rows and allows for optimal spacing of equipment. Industrial and semi-industrial zones located to the north and east of Llavallol also present excellent opportunities for solar installations. These areas typically feature large, flat parcels with existing infrastructure access, making them highly suitable for utility-scale projects. The level terrain in these zones requires minimal earthwork, reducing both installation costs and environmental impact. The region's drainage patterns create some areas that may be less suitable during certain seasons, particularly in lower-lying zones where water accumulation could occur. However, the vast majority of the surrounding landscape maintains excellent drainage characteristics, with the gentle topographical variations actually supporting natural water flow away from potential installation sites.

Argentina solar PV Stats as a country

Argentina ranks 43rd in the world for cumulative solar PV capacity, with 1,071 total MW's of solar PV installed. This means that 1.50% of Argentina's total energy as a country comes from solar PV (that's 35th in the world). Each year Argentina is generating 24 Watts from solar PV per capita (Argentina ranks 63rd in the world for solar PV Watts generated per capita). [source]

Are there incentives for businesses to install solar in Argentina?

Yes, there are several incentives for businesses wanting to install solar energy in Argentina. The government offers a range of tax credits and subsidies for businesses that invest in renewable energy projects. Additionally, the country has implemented a net metering system which allows businesses to sell excess electricity generated from their solar installations back to the grid at a premium rate. Finally, the government also provides access to low-interest loans and grants for businesses looking to invest in solar energy projects.

Do you have more up to date information than this on incentives towards solar PV projects in Argentina? Please reach out to us and help us keep this information current. Thanks!

Citation Guide

Article Details for Citation

Article: Solar PV Analysis of Llavallol, Argentina
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Friday 25th of July 2025
Last Updated: Thursday 7th of August 2025

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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.

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