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Flag of ArgentinaSolar PV Analysis of San Fernando, Argentina

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

Solar Energy Potential in San Fernando, Argentina

San Fernando, Argentina, located in the Southern Sub Tropics at latitude -34.4459 and longitude -58.5835, offers varying potential for solar PV energy generation throughout the year. The location experiences significant seasonal differences in solar energy production. During summer months, San Fernando receives excellent solar radiation, producing approximately 7.79kWh per day for each kilowatt of installed solar capacity. This makes summer the prime season for solar energy generation at this location. Spring follows as the second most productive season, yielding about 6.25kWh daily per kilowatt installed. The productivity decreases considerably during autumn, with daily generation dropping to 4.51kWh per kilowatt. Winter presents the greatest challenge for solar energy production in San Fernando, with output falling to just 3.19kWh per day for each kilowatt of installed capacity.

Optimal Panel Installation

For fixed solar panel installations in San Fernando, the ideal tilt angle to maximize year-round energy production is 30 degrees facing North. This angle has been calculated specifically for this location to optimize annual solar energy capture, accounting for the site's position in the Southern Hemisphere.

Environmental and Weather Considerations

Several factors may affect solar production in San Fernando. The region experiences periodic dust storms and air pollution from the greater Buenos Aires metropolitan area, which can accumulate on panels and reduce efficiency. Regular cleaning maintenance is recommended to mitigate this issue. Seasonal rainfall patterns may help naturally clean panels during certain months, but manual cleaning is still advised, particularly during drier periods. Additionally, the area occasionally experiences hail storms which could potentially damage solar installations. Using hail-resistant panels and protective measures like temporary covers during severe weather warnings can help protect your investment. Temperature is another consideration, as very hot summer days can slightly reduce panel efficiency. Ensuring adequate airflow beneath panels during installation can help mitigate this effect and maintain optimal performance during the hottest months.

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 San Fernando

Seasonal solar PV output for Latitude: -34.4459, Longitude: -58.5835 (San Fernando, 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 San Fernando, Argentina

To maximize your solar PV system's energy output in San Fernando, Argentina (Lat/Long -34.4459, -58.5835) 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: -34.4459, Longitude: -58.5835, the ideal angle to tilt panels is 30° North

Seasonally adjusted solar panel tilt angles for San Fernando, 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 San Fernando, 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 39° 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 San Fernando, Argentina as follows: In Summer, set the angle of your panels to 18° facing North. In Autumn, tilt panels to 39° 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 San Fernando, 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 San Fernando, 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 San Fernando, 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 San Fernando, Argentina

Topographical Features of San Fernando

San Fernando sits in the northern suburbs of Greater Buenos Aires, positioned within the vast Pampas plain that characterizes much of eastern Argentina. The area features remarkably flat terrain with minimal elevation changes, typical of the Rio de la Plata river basin. This location places it approximately 25 kilometers northwest of Buenos Aires city center, where the landscape consists primarily of low-lying plains with gentle undulations. The immediate topography around San Fernando is dominated by the extensive floodplains and delta system of the ParanĂ¡ River, which creates a complex network of waterways, islands, and wetlands to the north and east. The elevation throughout the region remains consistently low, rarely exceeding 20 meters above sea level, with much of the surrounding area sitting between 5 and 15 meters elevation. The terrain slopes very gradually toward the Rio de la Plata to the southeast, creating natural drainage patterns that have shaped the local geography over millennia. This flat to gently rolling landscape extends in all directions, interrupted only by the meandering rivers and streams that feed into the larger ParanĂ¡ Delta system.

Soil Composition and Land Use Patterns

The region's soil composition reflects its position within the fertile Pampas, featuring deep, rich sedimentary deposits left by centuries of river activity. These soils support extensive agricultural activities in the broader area, though urban development has transformed much of the immediate vicinity around San Fernando into residential and commercial zones. Agricultural land use becomes more prominent as distance from the urban core increases, with large expanses of relatively flat farmland extending westward and southward from the city. These areas typically feature minimal tree coverage and few natural obstacles, characteristics that have historically made them attractive for farming and grazing operations.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for large-scale solar photovoltaic installations would be found in the agricultural zones extending west and southwest of San Fernando. These areas offer several advantages including extensive flat terrain, minimal existing development, and good accessibility to transportation infrastructure. The consistent topography eliminates concerns about shading from hills or mountains that might affect solar panel efficiency. Particularly promising areas lie along the western edge of the greater Buenos Aires metropolitan area, where agricultural land transitions into less densely populated zones. These locations benefit from the region's naturally flat profile while maintaining reasonable proximity to existing electrical grid infrastructure and major transportation routes. The areas immediately south and southwest of San Fernando present excellent opportunities, as they combine optimal topographical conditions with lower land costs compared to more urbanized zones. The minimal elevation changes throughout these regions would allow for efficient installation and maintenance of solar arrays across large contiguous areas. Areas closer to the ParanĂ¡ Delta system to the north and northeast would be less suitable due to higher moisture levels, periodic flooding risks, and the complex network of waterways that fragment the available land. The flat agricultural plains extending inland provide the most practical and economically viable locations for substantial solar energy projects.

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 San Fernando, Argentina
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Monday 30th of June 2025
Last Updated: Tuesday 5th 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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