Flag of United States

Flag of ArgentinaSolar PV Analysis of La Reja, Argentina

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

La Reja, Buenos Aires, Argentina presents a moderately favorable location for year-round solar energy generation, though with significant seasonal variations typical of its Southern Subtropical climate zone. Located at coordinates -34.6313, -58.8022, this area experiences notable differences in solar production throughout the year.

Seasonal Solar Performance

The solar energy output at La Reja varies considerably across seasons. Summer delivers the strongest performance at 7.79 kWh per day per kW of installed solar capacity, making it the prime season for solar generation. Spring follows as the second-best period with 6.25 kWh per day per kW, offering solid energy production as the region emerges from winter. Autumn sees a decline to 4.51 kWh per day per kW, while winter represents the challenging period with only 3.19 kWh per day per kW. This seasonal pattern means solar installations will generate more than twice as much energy in summer compared to winter months.

Optimal Installation Configuration

For maximum year-round solar production at La Reja, Buenos Aires, fixed solar panels should be tilted at 30 degrees facing North. This angle has been calculated to optimize total annual energy output by accounting for the sun's changing position throughout the year and weighing solar elevation angles against actual solar irradiance data.

Local Factors Affecting Solar Production

Several environmental and weather factors in the La Reja area can impact solar energy generation:
  • High humidity levels common in subtropical climates can reduce panel efficiency
  • Frequent thunderstorms during summer months may cause temporary production interruptions
  • Dust and pollen accumulation on panels, particularly during spring
  • Potential for hail damage during severe weather events

Preventative Measures for Better Performance

To maximize solar energy production despite these challenges, several installation strategies can be employed:
  • Install panels with adequate ventilation spacing to combat humidity-related efficiency losses
  • Use tempered glass panels with hail-resistant ratings appropriate for the region
  • Implement regular cleaning schedules, especially during high pollen seasons
  • Consider surge protection systems to safeguard against electrical storms
  • Ensure proper drainage around installations to prevent water accumulation
Overall, while La Reja experiences the typical subtropical challenge of reduced winter solar production, the strong summer and spring performance makes it a viable location for solar installations when properly designed and maintained.

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 La Reja

Seasonal solar PV output for Latitude: -34.6313, Longitude: -58.8022 (La Reja, 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 La Reja, Argentina

To maximize your solar PV system's energy output in La Reja, Argentina (Lat/Long -34.6313, -58.8022) 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: -34.6313, Longitude: -58.8022, the ideal angle to tilt panels is 30° North

Seasonally adjusted solar panel tilt angles for La Reja, 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 La Reja, 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 La Reja, 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 La Reja, 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 La Reja, 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 La Reja, 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 La Reja, Argentina

Topographical Characteristics of La Reja

La Reja sits within the expansive Pampas region of Argentina, characterized by remarkably flat terrain that extends for hundreds of kilometers in all directions. This area forms part of the greater Buenos Aires metropolitan region, positioned approximately 30 kilometers west of the capital city. The landscape consists primarily of gently rolling plains with minimal elevation changes, creating an almost table-like surface that stretches toward the horizon. The terrain around La Reja features subtle undulations typical of the Pampas, with elevation differences rarely exceeding 20-30 meters across large distances. These gentle slopes provide natural drainage patterns without creating significant obstacles for development or infrastructure. The soil composition consists mainly of fertile loam and clay deposits, remnants of ancient sedimentary processes that formed this vast plain over millions of years. Water features in the immediate vicinity include small streams and seasonal waterways that meander through the landscape, following the natural contours of the land. These watercourses typically flow in a general eastward direction toward the Rio de la Plata basin. The area experiences a temperate climate with distinct wet and dry seasons, influencing both the natural vegetation patterns and agricultural land use.

Optimal Areas for Large-Scale Solar Development

The flat topography surrounding La Reja presents exceptional opportunities for large-scale solar photovoltaic installations. The most suitable areas lie to the south and southwest of the town, where vast stretches of relatively unused or underutilized agricultural land offer minimal topographical constraints. These zones benefit from unobstructed sky access and require minimal grading or site preparation work. Areas located 5-15 kilometers from La Reja toward the southwest direction present particularly attractive characteristics for solar development. The terrain in these locations remains consistently flat while being sufficiently distant from residential areas to avoid land use conflicts. The existing road network provides adequate access for construction and maintenance activities, while proximity to electrical transmission infrastructure reduces connection costs. The northern and eastern approaches to La Reja, while topographically suitable, face greater development pressure from urban expansion and existing agricultural operations. However, sites located 10-20 kilometers to the northwest offer compelling alternatives, featuring similar flat terrain with potentially lower land acquisition costs. These areas maintain the same advantageous topographical characteristics while being positioned away from the main urban development corridors. Agricultural fields that have been converted from cattle grazing or crop production represent prime candidates for solar development. The existing cleared land eliminates vegetation removal requirements, while the established property boundaries and access roads facilitate project development. The consistent elevation and minimal slope variations across these areas allow for optimal panel positioning and simplified electrical infrastructure design.

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 La Reja, Argentina
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Saturday 5th of July 2025
Last Updated: Wednesday 6th of August 2025

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?

"Así como el sol le da bomba a los paneles solares, el café nos pone pilas para seguir con nuestra investigación y desarrollo, ¡vamos que se puede!" 😊
Buy me a coffee - Thanks for your support!

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.

Worldwide Solar PV Analysis of 20,000 Locations

Helping you assess viability of solar PV for your site

profileSOLAR on YouTube

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.

Calculate Your Optimal Solar Panel Tilt Angle