Flag of United States

Flag of ArgentinaSolar PV Analysis of Aguilares, Argentina

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

Aguilares, Tucuman, Argentina, located in the Southern Sub Tropics, demonstrates excellent potential for year-round solar energy generation. The seasonal solar output data reveals this location produces consistently strong electricity yields across all four seasons.

Seasonal Solar Performance

The solar energy production at Aguilares shows impressive consistency throughout the year. Spring delivers the highest output at 6.61kWh per day per kW of installed solar capacity, closely followed by summer at 6.37kWh per day. Even during the lower-production seasons, autumn generates 4.26kWh per day and winter produces 4.40kWh per day per kW installed. This pattern makes Aguilares particularly attractive for solar installations, as the location maintains substantial energy generation even during traditionally weaker months. The difference between peak spring production and the lowest autumn output represents only a 55% variation, which is relatively modest compared to many other locations.

Optimal Installation Configuration

For maximum year-round solar production at Aguilares, Tucuman, fixed solar panels should be tilted at 25 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 weighting these angles based on actual solar irradiance potential.

Environmental and Weather Considerations

Several local factors could potentially impact solar energy production at this Southern Sub Tropical location:
  • Dust and Particulate Matter: The semi-arid climate typical of this region can generate significant dust accumulation on solar panels, reducing efficiency by 10-25% if left uncleaned
  • Seasonal Rainfall Patterns: While beneficial for natural panel cleaning, irregular precipitation may lead to extended dry periods with increased dust buildup
  • High Temperature Effects: Summer heat can reduce panel efficiency, as photovoltaic cells typically lose 0.4-0.5% efficiency per degree Celsius above 25°C
  • Hail Risk: This region may experience occasional severe weather events including hail, which can damage solar installations

Preventative Measures for Optimal Performance

Several strategies can help maximize solar energy production at Aguilares:
  • Regular Cleaning Schedule: Implement monthly panel cleaning during dry seasons and quarterly cleaning during wetter periods to maintain optimal light transmission
  • Adequate Ventilation: Install panels with proper spacing underneath to allow air circulation and reduce heat buildup that decreases efficiency
  • Quality Panel Selection: Choose solar panels with better temperature coefficients and anti-reflective coatings designed for hot climates
  • Protective Measures: Install hail guards or select panels with tempered glass rated for impact resistance
  • Monitoring Systems: Deploy performance monitoring to quickly identify efficiency drops that may indicate cleaning needs or equipment issues
Overall, Aguilares represents an excellent location for solar energy generation, with strong and consistent year-round production potential that can be further optimized through proper installation techniques and maintenance practices.

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 Aguilares

Seasonal solar PV output for Latitude: -27.4315, Longitude: -65.6146 (Aguilares, 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 6.37kWh/day in Summer.
Autumn
Average 4.26kWh/day in Autumn.
Winter
Average 4.40kWh/day in Winter.
Spring
Average 6.61kWh/day in Spring.

 

Ideally tilt fixed solar panels 25° North in Aguilares, Argentina

To maximize your solar PV system's energy output in Aguilares, Argentina (Lat/Long -27.4315, -65.6146) throughout the year, you should tilt your panels at an angle of 25° 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: -27.4315, Longitude: -65.6146, the ideal angle to tilt panels is 25° North

Seasonally adjusted solar panel tilt angles for Aguilares, 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 Aguilares, Argentina. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 25° North tilt angle throughout the year.

Overall Best Summer Angle Overall Best Autumn Angle Overall Best Winter Angle Overall Best Spring Angle
11° North in Summer 33° North in Autumn 42° North in Winter 21° 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 Aguilares, Argentina as follows: In Summer, set the angle of your panels to 11° facing North. In Autumn, tilt panels to 33° facing North for maximum generation. During Winter, adjust your solar panels to a 42° angle towards the North for optimal energy production. Lastly, in Spring, position your panels at a 21° angle facing North to capture the most solar energy in Aguilares, 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 Aguilares, 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 Aguilares, 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 Aguilares, Argentina

Topographical Features Around Aguilares

Aguilares sits in the northwestern region of Argentina within Tucumán Province, positioned in a transitional zone between the Andean foothills and the expansive plains of the Chaco region. The immediate landscape around the town is characterized by gently rolling terrain with moderate elevation changes, creating a relatively flat to undulating topography that gradually rises toward the west as it approaches the Andean mountain system.

The area lies within the Salí River valley system, which has carved out broad, fertile plains interspersed with low ridges and gentle slopes. These river valleys have created extensive flat areas that stretch eastward toward the Chaco lowlands, while westward the terrain becomes increasingly mountainous as it approaches the Sierra del Aconquija and other Andean ranges. The elevation in and around Aguilares typically ranges from approximately 400 to 600 meters above sea level, with the terrain showing a general upward slope toward the Andes.

The region experiences a subtropical climate with distinct wet and dry seasons, which has shaped the local topography through erosional processes. The landscape features numerous small streams and seasonal watercourses that drain eastward from the mountains, creating a network of valleys and interfluves. These waterways have deposited sediments across the area, resulting in relatively level terrain punctuated by gentle rises and shallow depressions.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for large-scale solar photovoltaic installations around Aguilares would be the extensive flat to gently sloping areas that extend eastward from the town toward the Chaco plains. These areas offer the ideal combination of minimal topographical constraints and adequate space for substantial solar arrays. The broad river terraces and alluvial plains in this eastern direction provide large, continuous tracts of relatively level land that would minimize grading and construction costs.

The areas immediately north and south of Aguilares also present favorable conditions, where the terrain remains relatively flat but sits on stable ground away from active floodplains. These locations would benefit from good accessibility via existing road networks while avoiding the steeper slopes that begin to emerge closer to the Andean foothills to the west.

The slightly elevated plateaus and gentle ridges scattered throughout the region could serve as excellent sites for solar installations, as they offer natural drainage, reduced flood risk, and often have fewer competing land uses compared to the prime agricultural areas in the valley bottoms. These elevated areas also tend to have better air circulation, which can help with equipment cooling and maintenance access.

Areas to avoid for large-scale solar development would include the steeper slopes approaching the mountains to the west, where the increased gradient would require extensive site preparation and potentially create shading issues between panel rows. Similarly, the immediate floodplains of the Salí River and its tributaries should be avoided due to periodic inundation and unstable soil conditions that could compromise foundation integrity over the long term.

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 Aguilares, Argentina
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Tuesday 22nd of July 2025
Last Updated: Thursday 7th 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