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Flag of ArgentinaSolar PV Analysis of Longchamps, Argentina

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

Longchamps, Argentina presents a moderately favorable location for year-round solar PV energy generation, though with significant seasonal variations that potential solar installers should carefully consider.

Seasonal Solar Production Patterns

The solar energy output at this Southern Sub Tropics location shows substantial fluctuation throughout the year. Summer delivers the strongest performance 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 period with 6.25 kWh per day per kW, offering nearly 80% of summer's output. However, the location experiences a notable decline during cooler months. Autumn production drops to 4.51 kWh per day per kW, while winter represents the most challenging period with only 3.19 kWh per day per kW - less than half of summer's generation capacity.

Optimal Installation Configuration

For maximum year-round energy production at Longchamps, solar panels should be installed at a fixed tilt angle of 30 degrees facing North. This angle has been calculated to optimize total annual output by accounting for the sun's varying elevation throughout the year and weighting these angles against actual solar irradiance data.

Environmental and Weather Considerations

Several local factors in the Buenos Aires region could potentially impact solar production efficiency:
  • Humidity and moisture: The subtropical climate brings higher humidity levels, which can reduce panel efficiency and promote dust adhesion to panel surfaces
  • Dust accumulation: The region's agricultural activities and occasional dry periods can lead to dust buildup on panels, reducing light transmission
  • Seasonal cloud cover: Winter months may experience increased cloudiness, contributing to the reduced output during this period
  • Temperature effects: High summer temperatures can reduce panel efficiency despite increased sunlight availability

Preventative Measures for Enhanced Performance

To maximize solar energy production at this location, several installation strategies can help mitigate environmental challenges:
  • Regular cleaning schedule: Implement monthly panel cleaning, with increased frequency during dusty periods or after storms
  • Proper ventilation: Ensure adequate airflow beneath panels to reduce heat buildup and maintain efficiency during hot summer months
  • Quality mounting systems: Use corrosion-resistant mounting hardware suitable for humid subtropical conditions
  • Monitoring systems: Install performance monitoring to quickly identify and address any efficiency drops
While Longchamps offers decent solar potential, particularly during summer and spring months, the significant seasonal variation means that energy storage solutions or grid-tied systems may be essential for consistent year-round power supply. The location's subtropical climate requires attention to maintenance and installation details, but with proper planning, solar PV can be a viable energy solution at this site.

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 Longchamps

Seasonal solar PV output for Latitude: -34.8488, Longitude: -58.3955 (Longchamps, 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 Longchamps, Argentina

To maximize your solar PV system's energy output in Longchamps, Argentina (Lat/Long -34.8488, -58.3955) 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: -34.8488, Longitude: -58.3955, the ideal angle to tilt panels is 30° North

Seasonally adjusted solar panel tilt angles for Longchamps, 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 Longchamps, 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
19° North in Summer 40° North in Autumn 50° 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 Longchamps, Argentina as follows: In Summer, set the angle of your panels to 19° facing North. In Autumn, tilt panels to 40° facing North for maximum generation. During Winter, adjust your solar panels to a 50° 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 Longchamps, 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 Longchamps, 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 Longchamps, 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 Longchamps, Argentina

Topographical Features of Longchamps, Argentina

The area around Longchamps, located in the Buenos Aires Province of Argentina, sits within the expansive Pampas region, characterized by remarkably flat terrain that extends across much of central Argentina. This location lies approximately 25 kilometers south of Buenos Aires city center, positioned on what geographers call the Río de la Plata coastal plain. The topography here is predominantly level with minimal elevation changes, creating an almost table-like landscape that stretches toward the horizon in all directions. The immediate vicinity of Longchamps demonstrates the classic characteristics of the Argentine Pampas, with gentle undulations rather than significant hills or valleys. The terrain gradually slopes in a subtle eastward direction toward the Río de la Plata, though this gradient is so gentle as to be nearly imperceptible to casual observation. The highest points in the surrounding area rarely exceed 30 meters above sea level, while the lowest areas remain well-drained due to the region's efficient natural drainage patterns. Local waterways include several small streams and creeks that meander through the landscape, creating minor depressions and slight variations in the otherwise uniform topography. These water features have carved shallow channels over thousands of years, but they represent the most dramatic topographical features in an otherwise remarkably consistent terrain. The soil composition consists primarily of fertile loess and alluvial deposits, creating the rich agricultural lands for which the Pampas region is globally renowned.

Optimal Areas for Large-Scale Solar Development

The flat topography surrounding Longchamps presents exceptional opportunities for large-scale solar photovoltaic installations. The most suitable areas for solar development lie to the west and southwest of Longchamps, where extensive tracts of relatively flat agricultural land offer minimal topographical constraints for large solar arrays. These areas provide the dual advantages of level terrain that reduces construction and installation costs while maintaining sufficient distance from the more densely populated residential zones closer to Buenos Aires. The agricultural plains extending westward toward the towns of Esteban Echeverría and Cañuelas represent particularly promising locations for solar development. These areas combine optimal topographical conditions with existing infrastructure access, including proximity to electrical transmission lines and transportation networks. The terrain in these zones requires minimal grading or site preparation, allowing solar panels to be installed with standard mounting systems without the need for specialized equipment designed for sloped or irregular terrain. Areas to the south and southeast of Longchamps also demonstrate excellent potential for solar installations, particularly the flatter sections between Longchamps and the coastal areas near Quilmes and Berazategui. While some of these areas are closer to urban development, they still offer substantial tracts of suitable land with the necessary topographical characteristics for efficient solar panel deployment. The consistent elevation and minimal shading from natural features make these locations technically favorable for photovoltaic systems. The region's natural drainage patterns work in favor of solar installations, as the gentle slopes ensure that water runoff occurs without creating erosion problems or standing water issues that could affect solar panel performance. The absence of significant rocky outcroppings, steep grades, or heavily forested areas means that site preparation costs remain relatively low compared to more topographically challenging locations. Additionally, the predictable wind patterns across these flat plains help with natural cleaning of solar panels and provide consistent cooling effects that can enhance photovoltaic efficiency.

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 Longchamps, 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

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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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