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Flag of ArgentinaSolar PV Analysis of Ramallo, Argentina

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

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

Seasonal Solar Performance

The solar energy output at this Southern Sub Tropics location shows dramatic differences throughout the year. Summer delivers the strongest performance at 7.91 kWh per day per kW of installed capacity, making it the prime solar generation season. Spring follows as the second-best period with 6.46 kWh per day per kW, offering substantial energy production as the region emerges from winter. Autumn marks the beginning of reduced solar output at 4.39 kWh per day per kW, while winter represents the challenging period with only 3.54 kWh per day per kW. This winter figure is less than half the summer production, highlighting the importance of proper system sizing and energy storage planning for year-round energy needs.

Optimal Panel Installation

For maximum year-round energy production at Ramallo, Buenos Aires, solar panels should be installed at a fixed tilt angle of 29 degrees facing North. This angle has been calculated to optimize total annual solar output by accounting for the sun's varying position throughout the year and weighting for daily solar potential based on NASA solar irradiance data.

Environmental and Weather Considerations

Several local factors could potentially impact solar energy production in the Ramallo area:
  • Pampas dust and agricultural particles - The region's extensive agricultural activities can generate dust that accumulates on solar panels, reducing efficiency
  • High humidity and occasional fog - Proximity to the Paraná River can create humid conditions and morning fog that temporarily reduces solar irradiance
  • Severe thunderstorms - The area experiences intense summer storms with heavy rain and potential hail
  • Strong winds - The flat Pampas terrain allows for powerful wind events that can stress solar installations

Preventative Measures for Optimal Performance

To maximize solar energy production despite these challenges, several installation strategies prove beneficial:
  • Regular cleaning systems - Install automated cleaning systems or establish frequent manual cleaning schedules to remove dust and agricultural debris
  • Robust mounting systems - Use reinforced mounting structures designed to withstand high wind loads common in the Pampas region
  • Hail-resistant panels - Select solar panels with tempered glass rated for larger hail impacts
  • Proper drainage design - Ensure installation allows for quick water runoff during heavy rains
  • Strategic positioning - Consider micro-climate factors and avoid low-lying areas prone to prolonged fog
The location offers reasonable solar potential, particularly during the warmer months, but requires thoughtful planning to address the significant seasonal variation and local environmental challenges typical of Argentina's agricultural heartland.

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 Ramallo

Seasonal solar PV output for Latitude: -33.4786, Longitude: -60.0208 (Ramallo, 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 7.91kWh/day in Summer.
Autumn
Average 4.39kWh/day in Autumn.
Winter
Average 3.54kWh/day in Winter.
Spring
Average 6.46kWh/day in Spring.

 

Ideally tilt fixed solar panels 29° North in Ramallo, Argentina

To maximize your solar PV system's energy output in Ramallo, Argentina (Lat/Long -33.4786, -60.0208) throughout the year, you should tilt your panels at an angle of 29° 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: -33.4786, Longitude: -60.0208, the ideal angle to tilt panels is 29° North

Seasonally adjusted solar panel tilt angles for Ramallo, 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 Ramallo, Argentina. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 29° North tilt angle throughout the year.

Overall Best Summer Angle Overall Best Autumn Angle Overall Best Winter Angle Overall Best Spring Angle
17° North in Summer 39° North in Autumn 48° North in Winter 26° 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 Ramallo, Argentina as follows: In Summer, set the angle of your panels to 17° facing North. In Autumn, tilt panels to 39° facing North for maximum generation. During Winter, adjust your solar panels to a 48° angle towards the North for optimal energy production. Lastly, in Spring, position your panels at a 26° angle facing North to capture the most solar energy in Ramallo, 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 Ramallo, 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 Ramallo, 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 Ramallo, Argentina

Topographical Features Around Ramallo

The terrain surrounding Ramallo in Buenos Aires Province is characterized by the remarkably flat landscape typical of the Argentine Pampas. This expansive plain stretches across much of central Argentina, creating an environment with minimal elevation changes and gentle, rolling topography. The area sits at a relatively low altitude, with the land gradually sloping toward the Paraná River to the east.

The region features predominantly agricultural land with fertile alluvial soils that have been shaped by centuries of river activity from the Paraná River system. The landscape is punctuated by occasional shallow depressions and very gentle rises, but overall maintains an exceptionally uniform profile that extends for hundreds of kilometers in all directions. Small streams and seasonal waterways create subtle variations in the otherwise consistent terrain.

Vegetation in the area consists primarily of cultivated farmland interspersed with patches of native grassland. The natural Pampas ecosystem has been largely converted to agricultural use, with vast fields of soybeans, wheat, corn, and cattle pastures dominating the visual landscape. Tree coverage is sparse and typically limited to windbreaks around farm buildings, along property boundaries, or in small groves near water sources.

Optimal Areas for Large-Scale Solar Development

The flat topography surrounding Ramallo presents excellent opportunities for large-scale solar photovoltaic installations. The most suitable areas would be the extensive agricultural plains located to the west and southwest of the town, where the terrain is particularly level and unobstructed. These areas offer the dual advantages of minimal grading requirements and reduced shading concerns due to the absence of significant topographical features.

The agricultural lands extending toward the communities of Pergamino and San Nicolás provide ideal conditions for solar development. These zones benefit from the consistent flat terrain while being sufficiently distant from the Paraná River to avoid potential flooding concerns. The sparse tree coverage in these areas means fewer obstacles to solar panel placement and reduced shading issues throughout the day.

Areas with existing transportation infrastructure, such as those near Provincial Route 21 and other regional roads, would be particularly advantageous for solar installations. The proximity to existing electrical transmission lines that serve the agricultural region would facilitate grid connection for large-scale solar projects. The relatively low population density in the rural areas surrounding Ramallo also means fewer land use conflicts and potentially more available space for extensive solar arrays.

The consistent topography eliminates many of the engineering challenges associated with solar installations in mountainous or hilly regions. The lack of significant slopes means that solar panels can be oriented optimally without concern for terrain-induced shading or complex mounting systems required for uneven ground.

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 Ramallo, Argentina
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Saturday 26th 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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